CHEM 134 TEST 2 QUESTIONS WITH COMPLETE
SOLUTIONS
Stoichiometry Ans✓✓✓ The math of chemical reactions.
Theoretical Yield Ans✓✓✓ The amount of product that could form
during a reaction calculated from a balanced chemical equation.
% Yield Ans✓✓✓ actual/theoretical x 100
Limiting Reactant Ans✓✓✓ The reactant that runs out first.
Excess Reactant Ans✓✓✓ A reactant that remains after a reaction is
over.
Homogeneous Mixture Ans✓✓✓ Solutions are a
Solute Ans✓✓✓ In a solution, there's less ___.
Solvent Ans✓✓✓ In a solution, there's more ___.
does not change Ans✓✓✓ In dilution, the amount of solute ___.
changes Ans✓✓✓ In dilution, the volume of the solution ___.
, nonpolar Ans✓✓✓ Nonpolar solutes dissolve best in ___ solvents.
polar Ans✓✓✓ Polar and ionic solutes dissolve best in ___ solvents.
Aqueous Solutions Ans✓✓✓ Solutions in which water is the solvent.
Strong electrolyte Ans✓✓✓ This ionizes 100%.
Weak electrolyte Ans✓✓✓ This does not ionize completely.
Nonelectrolyte Ans✓✓✓ Produces no ions.
Group 1A salts, all nitrates, acetates Ans✓✓✓ Strong Electrolytes (ionic
compounds)
HCl, HClO3, HClO4, HI, HBr, H2SO4, HNO3 Ans✓✓✓ Strong Acids
Group 1A Hydroxides, CaOH2, BaOH2, SrOH2 Ans✓✓✓ Strong Bases
Weak Ans✓✓✓ ___ acids do NOT ionize completely.
SOLUTIONS
Stoichiometry Ans✓✓✓ The math of chemical reactions.
Theoretical Yield Ans✓✓✓ The amount of product that could form
during a reaction calculated from a balanced chemical equation.
% Yield Ans✓✓✓ actual/theoretical x 100
Limiting Reactant Ans✓✓✓ The reactant that runs out first.
Excess Reactant Ans✓✓✓ A reactant that remains after a reaction is
over.
Homogeneous Mixture Ans✓✓✓ Solutions are a
Solute Ans✓✓✓ In a solution, there's less ___.
Solvent Ans✓✓✓ In a solution, there's more ___.
does not change Ans✓✓✓ In dilution, the amount of solute ___.
changes Ans✓✓✓ In dilution, the volume of the solution ___.
, nonpolar Ans✓✓✓ Nonpolar solutes dissolve best in ___ solvents.
polar Ans✓✓✓ Polar and ionic solutes dissolve best in ___ solvents.
Aqueous Solutions Ans✓✓✓ Solutions in which water is the solvent.
Strong electrolyte Ans✓✓✓ This ionizes 100%.
Weak electrolyte Ans✓✓✓ This does not ionize completely.
Nonelectrolyte Ans✓✓✓ Produces no ions.
Group 1A salts, all nitrates, acetates Ans✓✓✓ Strong Electrolytes (ionic
compounds)
HCl, HClO3, HClO4, HI, HBr, H2SO4, HNO3 Ans✓✓✓ Strong Acids
Group 1A Hydroxides, CaOH2, BaOH2, SrOH2 Ans✓✓✓ Strong Bases
Weak Ans✓✓✓ ___ acids do NOT ionize completely.
