Net Ionic Equations
Physical and Chemical Changes
Stoichiometry
Acids and Bases/Titrations
Redox Reactions
100

These are chemical species that are present in a chemical reaction, but do not participate in it. 

What are spectator ions? 

100

This is the name of the phase change that occurs when a solid is converted directly to a gas.

What is sublimation? 

100

This is the volume that one mole of gas occupies at STP.

What is 22.4 L?

100

This is a chemical species, like water, that can act either as an acid or a base. 

What is an amphoteric species. 

100

This is the oxidation number of oxygen in a compound (not a peroxide). 

What is -2?

200

This is a substance that only partially ionizes in solution and is therefore a poor conductor of electricity.

What is a weak electrolyte?

200

These are observable changes that accompany chemical reactions. 

What are driving forces? 

200

This is an ionic compound with water included as “⋅xH2O”, where x is the number of water molecules per formula unit of the salt.

What is a hydrate?

200

This is the solution in a titration with a known volume but an unknown concentration.

What is the analyte?

200

This is the species that promotes reduction in other species by donating electrons. 

What is the reducing agent?

300

This is a solution that contains more than the maximum amount of solute that can be dissolved under a set of given conditions because it was saturated at a higher temperature and/or lower pressure.

What is a supersaturated solution? 

300

This describes the energy change when bonds are broken. 

What is endothermic (requiring energy input)?

300

This is the maximum amount of a product that can be made under perfect conditions.

What is theoretical yield?

300

This is the conjugate base that is formed when acetic acid (CH3COOH) reacts with water. 

What is CH3COO- (acetate)?

300

This is the species that is oxidized in the following reaction: 

Zn (s) + 2 HCl (aq) --> ZnCl2 (aq) + H2 (g)

What is Zn? 

400

This symbology indicates in a chemical reaction that one of the reactants only partially dissociates in solution. 

What are reversable or double-headed arrows? 

400

This is the type of change that occurs when an ionic salt dissolves in water.

What is a physical change?

400

This is the mass of aluminum necessary to produce 0.483 mol of hydrogen gas at 25 *C and 1.00 atm according to the following equation: 

2 Al + 6 HCl --> 2 AlCl3 + 3 H2

What is 8.69 g?

400

This is the anion in each strong base that must be memorized for AP Chemistry.

What is hydroxide (OH-)?

400

This is the oxidation number of manganese in MnO4-

What is +7?

500

This is the net ionic equation for the following reaction: a solution of ammonium carbonate reacts with a solution of silver nitrate, forming a white silver carbonate precipitate.

What is:     2 Ag+(aq) + CO32-(aq) → Ag2CO3(s)

500

This is the type of change that occurs when a mixture is separated using columnar chromatography. 

What is a physical change?

500

This is the limiting reactant when a student reacts 15.0 g of Fe with 6.50 L of O2 gas at STP.  The reaction is described by the following equation:                          2 Fe + 3 O2 → 2 Fe2O3

What is O2?

500

This is the molarity of a solution of HCL of unknown concentration if it takes 20.9 mL of 0.748 M sodium hydroxide to react completely with 10.5 mL of the HCl solution according to the following reaction: 

HCl + NaOH --> NaCl + H2O.

What is 1.49 M HCl.

500

This is the following redox reaction balanced using the standard redox method: 

H2O + ClO3- + SO2 --> SO42- + Cl- + H+

What is: 

3 H2O + ClO3- + 3 SO2 --> 3 SO42- + Cl- + 6 H+

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