General Chemistry 2
Affectionately known as “Gen Chem,” first-year General Chemistry is for undergraduates who are just beginning their college-level studies in chemistry. This page is for the first semester in the sequence.
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We are in the lab at work getting resources to the popular topics of General Chemistry 2 for you. See what we’re doing below.
Course Topics
The topics listed below frequently appear in a first-semester undergraduate Organic Chemistry course (commonly referred to as Orgo or O-Chem). These review pages are built on the principle that mastery of O-Chem comes from active problem-solving rather than passive reading. Instead of dense textbook chapters or lecture transcripts, these pages focus on building intuition for organic mechanisms and reactivity by guiding you through the standard problem types you'll face. It builds on high school fundamentals while introducing more rigorous problem-solving skills, deeper conceptual understanding, and a greater emphasis on scientific reasoning.
Major Topic: Solutions
Subtopics:
concentration-unit conversions
molarity calculations
molality calculations
mole-fraction calculations
mass-percent calculations
dilution calculations
solution-mixing calculations
ion-concentration calculations
solubility-curve interpretation
Henry’s-law calculations
Major Topic: Colligative Properties
Subtopics:
vapor-pressure calculations
Raoult’s-law calculations
boiling-point elevation
freezing-point depression
osmotic-pressure calculations
molar-mass determination
van ’t Hoff-factor determination
electrolyte-dissociation calculations
ideal-solution comparisons
nonideal-solution interpretation
Chemical Kinetics
Average Rate & Instantaneous Rate
rate-law
reaction-order determination
rate-constant unit determination
Integrated Rate Law
Half Life
kinetic-plot interpretation
Mechanisms and Catalysis
elementary-step identification
molecularity determination
intermediate identification
catalyst identification
rate-determining-step identification
mechanism validation
rate-law derivation
reaction-coordinate diagrams
activation-energy calculations
Arrhenius-equation calculations
Chemical Equilibrium
Equilibrium Expression
Equilibrium Constant
Kc-to-Kp conversions
K vs Q (Reaction Quotient)
ICE table calculations
Le Châtelier predictions
Acid–Base Theory
acid-base classification
conjugate-pair identification
Lewis acid-base identification
strong-acid pH calculations
strong-base pH calculations
pH-pOH conversions
Kw calculations
strong-acid–base mixing
neutralization calculations
acid-strength ranking
Weak-Acid and Weak-Base Equilibria
weak-acid pH calculations
weak-base pH calculations
Ka determination
Kb determination
percent-ionization calculations
approximation validation
polyprotic-acid calculations
salt-hydrolysis calculations
conjugate-strength comparisons
metal-ion acidity predictions
Buffers and Titrations
buffer-pH calculations
Henderson–Hasselbalch calculations
buffer-component determination
buffer-preparation calculations
added-acid buffer calculations
added-base buffer calculations
buffer-capacity comparisons
titration-curve calculations
equivalence-point pH
indicator selection
Solubility Equilibria
Ksp calculations
molar-solubility calculations
common-ion solubility
precipitation prediction
selective-precipitation calculations
precipitation-threshold calculations
pH-dependent solubility
complex-ion equilibrium
formation-constant calculations
qualitative-ion separation
Entropy and Spontaneity
entropy-sign prediction
standard-entropy calculations
reaction-entropy calculations
surroundings-entropy calculations
universe-entropy calculations
phase-transition entropy
microstate comparisons
spontaneity determination
reversible-process comparisons
entropy-versus-temperature analysis
Gibbs Free Energy
standard-free-energy calculations
formation-free-energy calculations
spontaneity prediction
temperature-threshold calculations
nonstandard free-energy calculations
reaction-quotient calculations
equilibrium-constant calculations
ΔG to K conversions
coupled-reaction calculations
thermodynamic-versus-kinetic control
Electrochemistry
redox-equation balancing
anode-cathode identification
cell-notation writing
standard-cell-potential calculations
spontaneous-cell prediction
free-energy calculations
equilibrium-constant calculations
Nernst-equation calculations
concentration-cell calculations
electrolysis calculations
Nuclear Chemistry
nuclear-equation balancing
decay-mode identification
daughter-nuclide prediction
half-life calculations
decay-constant calculations
radioactive-age determination
activity calculations
mass-defect calculations
binding-energy calculations
fission-energy calculations
Coordination Chemistry
complex-ion naming
complex-formula writing
metal oxidation-state determination
coordination-number determination
ligand identification
d-electron counting
geometric-isomer drawing
optical-isomer identification
crystal-field splitting diagrams
magnetic-property prediction
Descriptive and Organic Chemistry
periodic-reactivity predictions
main-group reaction prediction
industrial-reaction stoichiometry
hydrocarbon naming
structural-formula drawing
functional-group identification
constitutional-isomer drawing
geometric-isomer identification
organic-reaction prediction
biomolecule classification
"Working through the topic pages step by step made concepts click that I'd been stuck on for weeks."
Bryan D.
Lead Tutor
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