Master AP Chemistry Topic 4.9 with this free practice quiz. Test your skills on oxidation numbers, oxidizing agents, reducing agents, and half reactions to prepare for your AP exam. Redox Means Electrons Change Hands Oxidation is the loss of electrons. Reduction is the gain of electrons. The memory hook is OIL RIG: Oxidation Is Loss, … Read more
Master AP Chemistry Topic 4.8 with this free practice quiz. Test your skills on bronsted lowry theory, proton donors and acceptors, and conjugate acids and bases to prepare for your AP exam. Two Definitions of an Acid The older definition is Arrhenius: an acid produces H⁺ ions in water, a base produces OH⁻ ions in … Read more
Master AP Chemistry Topic 4.7 with this free practice quiz. Test your skills on acid base reactions, redox reactions, precipitation reactions, and reaction classification to prepare for your AP exam. Two Ways of Sorting the Same Reaction Chemists sort reactions in two independent ways; one reaction normally takes a label from each. The first sorts … Read more
Master AP Chemistry Topic 4.6 with this free practice quiz. Test your skills on titrants and analytes, equivalence point, end point, indicators, and burette readings to prepare for your AP exam. What a Titration Measures A titration finds the concentration of a solution by reacting it with a solution of known concentration until the reaction … Read more
Master AP Chemistry Topic 4.5 with this free practice quiz. Test your skills on mole to mole ratios, limiting reactants, excess reactants, and theoretical yield to prepare for your AP exam. Coefficients Are Mole Ratios, Not Mass Ratios Stoichiometry is the arithmetic of a balanced equation: it converts an amount of one substance in a … Read more
Master AP Chemistry Topic 4.4 with this free practice quiz. Test your skills on physical changes, chemical changes, and intermolecular vs intramolecular forces to prepare for your AP exam. The Particle Test: What Actually Changes Every change is classified by one question about its particles: afterwards, are the particles the same substances as before, or … Read more
Master AP Chemistry Topic 4.3 with this free practice quiz. Test your skills on particulate models, limiting reactants in diagrams, and stoichiometric ratios to prepare for your AP exam. Three Representations of the Same Reaction One reaction can be represented at three levels, and exam questions move between them. The macroscopic level is what is … Read more
Master AP Chemistry Topic 4.2 with this free practice quiz. Test your skills on spectator ions, complete ionic equations, precipitation reactions, and solubility rules to prepare for your AP exam. Three Levels of the Same Equation Most reactions in this unit happen in water, between species that are already dissolved. One reaction can be written … Read more
Master AP Chemistry Topic 4.1 with this free practice quiz. Test your skills on evidence of chemical reactions, precipitates, gas evolution, and conservation of mass to prepare for your AP exam. What a Chemical Reaction Is A chemical reaction is a rearrangement of atoms. The atoms in the reactants are regrouped, so new substances appear … Read more
These revision notes cover everything you need for AP Chemistry Topic 3.13: Beer-Lambert Law. Read through the key ideas below, then test yourself with the 18-question quiz. Light In, Light Out: Transmittance A spectrophotometer shines light of one chosen wavelength through a sample and compares what comes out with what went in. Transmittance, T, is … Read more