Chemistry as a living lab.
From early matter exploration to college chemistry, every idea becomes a visible particle model, a lab action, a measurement, an explanation, a revision, and a defensible Learning Evidence Record.
Replacement standard
Particles, lab data, mechanism, and transfer.
Instructional-first experience before controls appear.
One domain-native chemical action produces a visible consequence.
Every mission captures prediction, action, observation, explanation, revision, defense, and transfer.
TeacherOS clusters particle, lab-method, math-routine, and mechanism misconceptions.
TeachProof creates a teacher practice move for the misconception.
Parent and district views show demonstrated chemical reasoning over time.
Daily path engine
Assign once. Chemistry keeps moving.
Mastery is strong enough for adjacent transfer into Atomic Structure And Periodicity.
Atomic Structure And Periodicity: Defend spectra
Use spectra to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to atomic structure.
TeacherOSHigh School Chemistry Lab: assign Atomic Structure And Periodicity: Defend spectra. Watch spectra: prediction does or does not match observed chemical evidence, spectra: action trace shows whether the learner changed one variable or mixed variables, spectra: explanation uses particle, energy, mechanism, or measurement evidence.TeachProofPractice asking a one-variable contrast question for spectra.ParentThe learner used evidence to reason about spectra and explain what the model does and does not prove.
Open adaptive next missionCourse spine
Ten paths. Sixty-three units. One evidence loop.
K-2 Matter Lab
Young learners see, sort, mix, heat, cool, and explain matter with safe, concrete chemical evidence.
Elementary Chemistry Lab
Students use particle pictures, simple investigations, and evidence talk to move beyond names into chemical reasoning.
Middle School Chemistry Lab
Students connect atoms, molecules, reactions, conservation, energy, acids, and materials through controlled tests.
High School Chemistry Lab
A full high-school chemistry spine where symbolic work is always grounded in particles, labs, data, and defended claims.
AP Chemistry LabPath
AP Chemistry as particle-visible, lab-real, FRQ-defensible evidence across all College Board units.
General Chemistry I LabPath
A college Gen Chem I path built around molecular models, quantitative labs, uncertainty, and defended assumptions.
General Chemistry II LabPath
A second-semester chemistry path where kinetics, equilibrium, thermodynamics, and electrochemistry are active systems.
Organic Chemistry Foundations
Organic chemistry as mechanism, 3D structure, evidence, and synthesis decisions rather than memorized reaction lists.
Analytical And Physical Chemistry Foundations
Measurement, uncertainty, spectroscopy, separations, quantum energy, thermodynamics, and transport as accountable lab systems.
Biochemistry Bridge LabPath
A bridge from chemistry to living systems: water, biomolecules, proteins, enzymes, membranes, metabolism, and regulation.
K-2
K-2 Matter Lab
Sorting Matter By Properties
How can we sort things by what we can observe?
Learner sorts matter using observable properties and explains the rule with one example.Sorting Matter By Properties: Model observable propertiesUse observable properties to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to texture.Sorting Matter By Properties: Run textureUse texture to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to color.Sorting Matter By Properties: Defend colorUse color to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to shape.
Solids, Liquids, And Gases
How do materials keep or change their shape?
Learner uses shape, flow, and container evidence to classify solids, liquids, and gases.Solids, Liquids, And Gases: Model state of matterUse state of matter to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to shape.Solids, Liquids, And Gases: Run shapeUse shape to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to flow.Solids, Liquids, And Gases: Defend flowUse flow to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to state of matter.
Mixing And Separating
What happens when materials are mixed?
Learner predicts, mixes, separates, and explains whether the materials changed or only moved.Mixing And Separating: Model mixturesUse mixtures to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to separation.Mixing And Separating: Run separationUse separation to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to same material.Mixing And Separating: Defend same materialUse same material to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mixtures.
Heating And Cooling
How can heat change what matter does?
Learner observes safe heating or cooling and explains melting, freezing, or evaporation with visible evidence.Heating And Cooling: Model heatingUse heating to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to cooling.Heating And Cooling: Run coolingUse cooling to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to melting.Heating And Cooling: Defend meltingUse melting to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to heating.
Sink, Float, And Density
Why do some objects sink and some float?
Learner tests mass, size, and floating evidence without assuming heavy always sinks.Sink, Float, And Density: Model densityUse density to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mass.Sink, Float, And Density: Run massUse mass to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to volume.Sink, Float, And Density: Defend volumeUse volume to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to density.
Safe Observation Habits
How do scientists look closely without guessing?
Learner practices observe, predict, test, and explain using safe classroom materials.Safe Observation Habits: Model observationUse observation to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to prediction.Safe Observation Habits: Run predictionUse prediction to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to safe test.Safe Observation Habits: Defend safe testUse safe test to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to observation.
3-5
Elementary Chemistry Lab
Particle Pictures Of Matter
How can tiny particles explain things we see?
Learner connects visible material behavior to particle spacing, motion, and arrangement.Particle Pictures Of Matter: Model particle modelUse particle model to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to spacing.Particle Pictures Of Matter: Run spacingUse spacing to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to motion.Particle Pictures Of Matter: Defend motionUse motion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to particle model.
Conservation In Mixing
When materials mix, what stays the same?
Learner tracks matter before and after mixing to defend conservation with visible evidence.Conservation In Mixing: Model conservationUse conservation to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mixture.Conservation In Mixing: Run mixtureUse mixture to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mass.Conservation In Mixing: Defend massUse mass to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to conservation.
Solutions And Concentration
How does a solution become stronger or weaker?
Learner changes solute, solvent, and mixing to explain concentration using particle density.Solutions And Concentration: Model solutionUse solution to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to solute.Solutions And Concentration: Run soluteUse solute to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to concentration.Solutions And Concentration: Defend concentrationUse concentration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to solution.
Physical And Chemical Change
How can we tell whether a new substance formed?
Learner compares physical changes with chemical evidence using gas, color, heat, and reversibility.Physical And Chemical Change: Model physical changeUse physical change to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to chemical change.Physical And Chemical Change: Run chemical changeUse chemical change to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to evidence.Physical And Chemical Change: Defend evidenceUse evidence to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to physical change.
Materials And Properties
Why do materials behave differently?
Learner tests flexibility, conductivity, hardness, and solubility to choose materials from evidence.Materials And Properties: Model material propertiesUse material properties to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to testing.Materials And Properties: Run testingUse testing to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to selection.Materials And Properties: Defend selectionUse selection to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to material properties.
Water, Air, And Earth Chemistry
How does chemistry show up in the environment?
Learner uses water, air, and soil models to trace chemicals and support safe decisions.Water, Air, And Earth Chemistry: Model environmental chemistryUse environmental chemistry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to water quality.Water, Air, And Earth Chemistry: Run water qualityUse water quality to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to air particles.Water, Air, And Earth Chemistry: Defend air particlesUse air particles to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to environmental chemistry.
6-8
Middle School Chemistry Lab
Atoms And Molecules
How do atoms combine into substances?
Learner builds molecules, checks formulas, and explains how structure changes properties.Atoms And Molecules: Model atomsUse atoms to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to molecules.Atoms And Molecules: Run moleculesUse molecules to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to formula.Atoms And Molecules: Defend formulaUse formula to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to atoms.
Chemical Reactions
What changes during a reaction?
Learner rearranges atoms, tracks bonds, and explains reactants, products, and evidence.Chemical Reactions: Model reactantsUse reactants to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to products.Chemical Reactions: Run productsUse products to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bond rearrangement.Chemical Reactions: Defend bond rearrangementUse bond rearrangement to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to reactants.
Conservation Of Mass
How can mass stay the same when substances change?
Learner balances particle counts and defends mass conservation from before/after evidence.Conservation Of Mass: Model conservation of massUse conservation of mass to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to balancing.Conservation Of Mass: Run balancingUse balancing to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to closed system.Conservation Of Mass: Defend closed systemUse closed system to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to conservation of mass.
Energy In Reactions
Why do some reactions warm or cool the system?
Learner manipulates bond energy, temperature, and reaction path to explain energy transfer.Energy In Reactions: Model endothermicUse endothermic to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to exothermic.Energy In Reactions: Run exothermicUse exothermic to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to activation energy.Energy In Reactions: Defend activation energyUse activation energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to endothermic.
Solutions And Acids
How do particles explain pH and solution behavior?
Learner changes concentration and pH to explain acid-base and solution evidence safely.Solutions And Acids: Model pHUse ph to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to concentration.Solutions And Acids: Run concentrationUse concentration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ions.Solutions And Acids: Defend ionsUse ions to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ph.
Materials And Environmental Chemistry
How do chemical choices affect materials and environments?
Learner tests corrosion, polymers, water quality, and tradeoffs with evidence.Materials And Environmental Chemistry: Model corrosionUse corrosion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to polymers.Materials And Environmental Chemistry: Run polymersUse polymers to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to water quality.Materials And Environmental Chemistry: Defend water qualityUse water quality to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to corrosion.
9-12
High School Chemistry Lab
Atomic Structure And Periodicity
How does electron structure explain periodic properties?
Learner defends periodic trends using nuclear charge, shielding, spectra, and data.Atomic Structure And Periodicity: Model atomic structureUse atomic structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to periodicity.Atomic Structure And Periodicity: Run periodicityUse periodicity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to spectra.Atomic Structure And Periodicity: Defend spectraUse spectra to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to atomic structure.
Bonding And Molecular Geometry
How does bonding shape molecular behavior?
Learner predicts geometry, polarity, and IMF effects from structure and visual evidence.Bonding And Molecular Geometry: Model bondingUse bonding to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to geometry.Bonding And Molecular Geometry: Run geometryUse geometry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to polarity.Bonding And Molecular Geometry: Defend polarityUse polarity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bonding.
Stoichiometry And Reactions
How do balanced equations predict measurable outcomes?
Learner uses mole ratios, limiting reactants, and yield evidence in a reaction bench.Stoichiometry And Reactions: Model stoichiometryUse stoichiometry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to limiting reactant.Stoichiometry And Reactions: Run limiting reactantUse limiting reactant to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to yield.Stoichiometry And Reactions: Defend yieldUse yield to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to stoichiometry.
Thermochemistry And Kinetics
How do energy and collisions control reaction behavior?
Learner tests temperature, catalysts, activation energy, and rate data with visual collisions.Thermochemistry And Kinetics: Model enthalpyUse enthalpy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to rate.Thermochemistry And Kinetics: Run rateUse rate to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to activation energy.Thermochemistry And Kinetics: Defend activation energyUse activation energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to enthalpy.
Equilibrium And Acids
How do reversible systems respond to stress?
Learner manipulates concentration, pressure, temperature, and pH to defend equilibrium reasoning.Equilibrium And Acids: Model equilibriumUse equilibrium to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to le chatelier.Equilibrium And Acids: Run Le ChatelierUse le chatelier to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to acid-base.Equilibrium And Acids: Defend acid-baseUse acid-base to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to equilibrium.
Electrochemistry And Analysis
How do electrons and measurements become chemical evidence?
Learner builds cells, reads voltage, calibrates instruments, and defends analytical claims.Electrochemistry And Analysis: Model redoxUse redox to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to voltage.Electrochemistry And Analysis: Run voltageUse voltage to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to calibration.Electrochemistry And Analysis: Defend calibrationUse calibration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to redox.
9-12
AP Chemistry LabPath
Atomic Structure And Properties
How does atomic structure explain chemical identity and measured properties?
Learner defends an atomic or periodic claim using particle evidence, electron structure, and data limits.Atomic Structure And Properties: Model atomic evidenceUse atomic evidence to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to electron structure.Atomic Structure And Properties: Run electron structureUse electron structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to periodic trends.Atomic Structure And Properties: Defend periodic trendsUse periodic trends to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to atomic evidence.
Compound Structure And Properties
How does structure determine molecular and ionic behavior?
Learner connects bonding, geometry, polarity, and ionic structure to observable properties.Compound Structure And Properties: Model molecular structureUse molecular structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ionic structure.Compound Structure And Properties: Run ionic structureUse ionic structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to properties.Compound Structure And Properties: Defend propertiesUse properties to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to molecular structure.
Properties Of Substances And Mixtures
How do particle interactions explain bulk properties and mixtures?
Learner predicts and defends phase, solubility, vapor pressure, and separation behavior from IMFs.Properties Of Substances And Mixtures: Model IMFsUse imfs to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mixtures.Properties Of Substances And Mixtures: Run mixturesUse mixtures to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bulk properties.Properties Of Substances And Mixtures: Defend bulk propertiesUse bulk properties to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to imfs.
Chemical Reactions
How do balanced reactions connect particles to macroscopic measurements?
Learner defends reaction type, stoichiometry, limiting reactants, and net ionic evidence.Chemical Reactions: Model net ionicUse net ionic to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to stoichiometry.Chemical Reactions: Run stoichiometryUse stoichiometry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to reaction type.Chemical Reactions: Defend reaction typeUse reaction type to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to net ionic.
Kinetics
What controls how fast a reaction happens?
Learner designs rate tests, fits data, and explains collision mechanism with evidence.Kinetics: Model rate lawUse rate law to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mechanism.Kinetics: Run mechanismUse mechanism to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to collision.Kinetics: Defend collisionUse collision to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to rate law.
Thermochemistry
How does energy move in chemical systems?
Learner uses calorimetry, bond energy, and enthalpy diagrams to defend energy transfer.Thermochemistry: Model enthalpyUse enthalpy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to calorimetry.Thermochemistry: Run calorimetryUse calorimetry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bond energy.Thermochemistry: Defend bond energyUse bond energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to enthalpy.
Equilibrium
How do reversible reactions respond to changing conditions?
Learner compares Q, K, ICE evidence, and stress response without saying reactions stopped.Equilibrium: Model Q and KUse q and k to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ice.Equilibrium: Run ICEUse ice to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to le chatelier.Equilibrium: Defend Le ChatelierUse le chatelier to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to q and k.
Acids And Bases
How do proton transfer, strength, and buffers explain pH evidence?
Learner runs titrations, buffer tests, and pH simulations with mechanism and approximations.Acids And Bases: Model acid strengthUse acid strength to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to buffers.Acids And Bases: Run buffersUse buffers to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to titration.Acids And Bases: Defend titrationUse titration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to acid strength.
Thermodynamics And Electrochemistry
How do energy, entropy, and electron transfer predict chemical favorability?
Learner links delta G, entropy, voltage, and redox mechanism to defended claims.Thermodynamics And Electrochemistry: Model free energyUse free energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to entropy.Thermodynamics And Electrochemistry: Run entropyUse entropy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to redox.Thermodynamics And Electrochemistry: Defend redoxUse redox to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to free energy.
undergrad
General Chemistry I LabPath
Atomic And Molecular Structure
How do quantum and molecular models support chemical claims?
Learner connects evidence, model limits, and molecular representation across structure tasks.Atomic And Molecular Structure: Model quantum modelUse quantum model to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to molecular structure.Atomic And Molecular Structure: Run molecular structureUse molecular structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to model limits.Atomic And Molecular Structure: Defend model limitsUse model limits to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to quantum model.
Stoichiometry And Aqueous Reactions
How do chemical amounts and solution reactions become evidence?
Learner designs stoichiometric and aqueous tests with limiting, ionic, and uncertainty evidence.Stoichiometry And Aqueous Reactions: Model stoichiometryUse stoichiometry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to aqueous reactions.Stoichiometry And Aqueous Reactions: Run aqueous reactionsUse aqueous reactions to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to uncertainty.Stoichiometry And Aqueous Reactions: Defend uncertaintyUse uncertainty to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to stoichiometry.
Thermochemistry
How are heat, work, and enthalpy measured and interpreted?
Learner uses calorimetry data, heat capacity, and assumptions to defend energy claims.Thermochemistry: Model calorimetryUse calorimetry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to enthalpy.Thermochemistry: Run enthalpyUse enthalpy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to heat capacity.Thermochemistry: Defend heat capacityUse heat capacity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to calorimetry.
Electronic Structure And Periodicity
How does electronic structure explain periodic behavior?
Learner uses spectra and periodic data to defend electronic structure claims.Electronic Structure And Periodicity: Model spectraUse spectra to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to orbitals.Electronic Structure And Periodicity: Run orbitalsUse orbitals to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to periodicity.Electronic Structure And Periodicity: Defend periodicityUse periodicity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to spectra.
Chemical Bonding
How do bonding models predict structure and properties?
Learner chooses bonding representations and tests predictions against molecular properties.Chemical Bonding: Model bondingUse bonding to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to hybridization.Chemical Bonding: Run hybridizationUse hybridization to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to imf.Chemical Bonding: Defend IMFUse imf to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bonding.
Gases And Intermolecular Forces
How do particles explain gases, phases, and interactions?
Learner manipulates pressure, volume, temperature, and IMFs with data and model limits.Gases And Intermolecular Forces: Model gas lawsUse gas laws to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to kinetic theory.Gases And Intermolecular Forces: Run kinetic theoryUse kinetic theory to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to imfs.Gases And Intermolecular Forces: Defend IMFsUse imfs to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to gas laws.
undergrad
General Chemistry II LabPath
Kinetics
How do data and mechanism explain reaction speed?
Learner designs rate experiments, tests mechanisms, and defends rate laws from evidence.Kinetics: Model rate lawUse rate law to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mechanism.Kinetics: Run mechanismUse mechanism to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to data fit.Kinetics: Defend data fitUse data fit to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to rate law.
Equilibrium
How can dynamic balance be measured and predicted?
Learner models equilibrium constants, Q, ICE tables, and stress response with visible particles.Equilibrium: Model equilibrium constantUse equilibrium constant to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to reaction quotient.Equilibrium: Run reaction quotientUse reaction quotient to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ice.Equilibrium: Defend ICEUse ice to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to equilibrium constant.
Acid Base Equilibria
How do acids, bases, buffers, and titrations work from particle evidence?
Learner links pH curves, species distribution, and approximations to defended claims.Acid Base Equilibria: Model pHUse ph to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to buffer.Acid Base Equilibria: Run bufferUse buffer to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to titration.Acid Base Equilibria: Defend titrationUse titration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ph.
Solubility And Complex Ions
How do ions compete between solid, solution, and complexes?
Learner manipulates Ksp, common ion, pH, and ligand effects with precipitation evidence.Solubility And Complex Ions: Model KspUse ksp to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to common ion.Solubility And Complex Ions: Run common ionUse common ion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to complex ion.Solubility And Complex Ions: Defend complex ionUse complex ion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to ksp.
Thermodynamics
How do entropy, enthalpy, and free energy define favorability?
Learner calculates and visualizes thermodynamic tradeoffs and limitations.Thermodynamics: Model entropyUse entropy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to enthalpy.Thermodynamics: Run enthalpyUse enthalpy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to free energy.Thermodynamics: Defend free energyUse free energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to entropy.
Electrochemistry
How does electron transfer create measurable work?
Learner builds cells, changes conditions, applies Nernst reasoning, and defends redox evidence.Electrochemistry: Model redoxUse redox to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to nernst.Electrochemistry: Run NernstUse nernst to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to cell voltage.Electrochemistry: Defend cell voltageUse cell voltage to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to redox.
undergrad
Organic Chemistry Foundations
Structure And Functional Groups
How do structure and functional groups shape reactivity?
Learner identifies functional groups, predicts sites of reactivity, and defends with evidence.Structure And Functional Groups: Model functional groupsUse functional groups to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to reactivity.Structure And Functional Groups: Run reactivityUse reactivity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to structure.Structure And Functional Groups: Defend structureUse structure to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to functional groups.
Conformation And Stereochemistry
How does 3D shape change chemical behavior?
Learner manipulates conformations and stereochemistry to explain energy and reactivity.Conformation And Stereochemistry: Model conformationUse conformation to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to stereochemistry.Conformation And Stereochemistry: Run stereochemistryUse stereochemistry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to chirality.Conformation And Stereochemistry: Defend chiralityUse chirality to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to conformation.
Substitution And Elimination
How do nucleophiles, bases, substrates, and solvents compete?
Learner adjusts mechanism conditions and defends SN1/SN2/E1/E2 outcomes.Substitution And Elimination: Model substitutionUse substitution to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to elimination.Substitution And Elimination: Run eliminationUse elimination to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mechanism.Substitution And Elimination: Defend mechanismUse mechanism to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to substitution.
Addition Reactions
How do pi bonds transform under different conditions?
Learner predicts regioselectivity, stereochemistry, and mechanism for additions.Addition Reactions: Model alkene additionUse alkene addition to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to regioselectivity.Addition Reactions: Run regioselectivityUse regioselectivity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to stereochemistry.Addition Reactions: Defend stereochemistryUse stereochemistry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to alkene addition.
Carbonyl Chemistry
Why are carbonyls central to organic reactivity?
Learner models nucleophilic addition/substitution and defends product evidence.Carbonyl Chemistry: Model carbonylUse carbonyl to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to nucleophilic addition.Carbonyl Chemistry: Run nucleophilic additionUse nucleophilic addition to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to leaving group.Carbonyl Chemistry: Defend leaving groupUse leaving group to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to carbonyl.
Synthesis And Mechanism Defense
How do chemists choose a route and defend mechanism?
Learner chooses synthesis steps, predicts side products, and defends limits using evidence.Synthesis And Mechanism Defense: Model synthesisUse synthesis to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to retrosynthesis.Synthesis And Mechanism Defense: Run retrosynthesisUse retrosynthesis to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to mechanism defense.Synthesis And Mechanism Defense: Defend mechanism defenseUse mechanism defense to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to synthesis.
undergrad
Analytical And Physical Chemistry Foundations
Measurement And Uncertainty
How do chemical measurements become trustworthy evidence?
Learner calibrates, repeats, quantifies uncertainty, and defends confidence.Measurement And Uncertainty: Model uncertaintyUse uncertainty to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to calibration.Measurement And Uncertainty: Run calibrationUse calibration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to precision.Measurement And Uncertainty: Defend precisionUse precision to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to uncertainty.
Spectroscopy And Calibration
How does light reveal chemical identity and amount?
Learner builds calibration curves, interprets spectra, and explains signal limits.Spectroscopy And Calibration: Model spectroscopyUse spectroscopy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to beer-lambert.Spectroscopy And Calibration: Run Beer-LambertUse beer-lambert to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to calibration.Spectroscopy And Calibration: Defend calibrationUse calibration to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to spectroscopy.
Separations And Chromatography
How can mixtures be separated and identified?
Learner manipulates polarity, flow, and stationary phase to defend separation evidence.Separations And Chromatography: Model chromatographyUse chromatography to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to polarity.Separations And Chromatography: Run polarityUse polarity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to retention.Separations And Chromatography: Defend retentionUse retention to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to chromatography.
Quantum And Molecular Energy
How do energy levels explain spectra and bonding?
Learner changes molecular energy models and defends transitions and limitations.Quantum And Molecular Energy: Model quantum energyUse quantum energy to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to transitions.Quantum And Molecular Energy: Run transitionsUse transitions to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to bonding.Quantum And Molecular Energy: Defend bondingUse bonding to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to quantum energy.
Thermodynamic Models
How do models predict energy, entropy, and phase behavior?
Learner changes state variables and defends thermodynamic predictions.Thermodynamic Models: Model thermodynamicsUse thermodynamics to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to phase.Thermodynamic Models: Run phaseUse phase to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to state functions.Thermodynamic Models: Defend state functionsUse state functions to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to thermodynamics.
Kinetics And Transport
How do rates, diffusion, and transport connect molecular motion to lab data?
Learner controls gradients, viscosity, and temperature to explain transport evidence.Kinetics And Transport: Model diffusionUse diffusion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to transport.Kinetics And Transport: Run transportUse transport to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to kinetics.Kinetics And Transport: Defend kineticsUse kinetics to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to diffusion.
undergrad
Biochemistry Bridge LabPath
Water And Biomolecules
How do water and molecular forces shape biological chemistry?
Learner connects polarity, hydrogen bonding, and biomolecular structure to function.Water And Biomolecules: Model water chemistryUse water chemistry to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to biomolecules.Water And Biomolecules: Run biomoleculesUse biomolecules to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to polarity.Water And Biomolecules: Defend polarityUse polarity to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to water chemistry.
Protein Structure
How does amino acid sequence become protein function?
Learner folds proteins, mutates residues, and explains structure-function evidence.Protein Structure: Model protein foldingUse protein folding to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to amino acids.Protein Structure: Run amino acidsUse amino acids to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to structure function.Protein Structure: Defend structure functionUse structure function to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to protein folding.
Enzyme Kinetics
How do enzymes change reaction pathways?
Learner manipulates substrate, inhibitor, temperature, and pH to defend kinetic claims.Enzyme Kinetics: Model enzyme kineticsUse enzyme kinetics to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to inhibition.Enzyme Kinetics: Run inhibitionUse inhibition to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to active site.Enzyme Kinetics: Defend active siteUse active site to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to enzyme kinetics.
Metabolism And Energy
How do cells manage chemical energy?
Learner traces carbon and energy through pathways while defending regulation and yield.Metabolism And Energy: Model metabolismUse metabolism to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to atp.Metabolism And Energy: Run ATPUse atp to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to redox carriers.Metabolism And Energy: Defend redox carriersUse redox carriers to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to metabolism.
Membranes And Transport
How do membranes control chemical movement?
Learner changes gradients, channels, and pumps to explain transport evidence.Membranes And Transport: Model membraneUse membrane to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to diffusion.Membranes And Transport: Run diffusionUse diffusion to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to active transport.Membranes And Transport: Defend active transportUse active transport to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to membrane.
Molecular Biology And Regulation
How does chemical regulation control biological information?
Learner manipulates binding, transcription, and feedback to connect chemistry and gene regulation.Molecular Biology And Regulation: Model gene regulationUse gene regulation to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to binding.Molecular Biology And Regulation: Run bindingUse binding to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to feedback.Molecular Biology And Regulation: Defend feedbackUse feedback to make a chemical prediction, run a visible test, explain the mechanism, revise the claim, and transfer the idea to gene regulation.