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Chemistry 2nd Semester Review 3
Test Description: Part 3
Instructions: Answer all questions to get your test result.
1) The ____ is the maximum amount of product that can be produced from a given amount of reactant
A
theoretical yield
B
mole ratio
C
actual yield
D
percent yield
2) A _____ is a reactant that has a portion remaining after the reaction has stopped
A
limiting reactant
B
excess reactant
C
stoichiometry
D
percent yield
3) The study of the quantitative relationships among the amounts of reactants used and amounts of products formed by a chemical reaction is called
A
stoichiometry
B
mole ratio
C
actual yield
D
theoretical yield
4) The ratio of the actual yield to the theoretical yield expressed as a percent is called the
A
theoretical yield
B
percent yield
C
actual yield
D
mole ratio
5) The amount of product formed during a reaction depends on the
A
actual yield
B
limiting reactant
C
excess reactant
D
percent yield
6) A chemical reaction rarely produces the ____ of the product
A
actual yield
B
theoretical yield
C
percent yield
D
mole ratio
7) Chemists sometimes use _____ to speed up a chemical reaction
A
percent yield
B
excess reactant
C
limiting reactant
D
mole ratio
8) A ____ is a ratio between the number of moles of any two substances in a balanced chemical equation
A
percent yield
B
theoretical yield
C
stoichiometry
D
mole ratio
9) The amount of product actually produced by a chemical reaction is the
A
actual yield
B
percent yield
C
theoretical yield
D
limiting reactant
10) The reactant that limits the extent of the reaction is called
A
limiting reactant
B
theoretical yield
C
excess reactant
D
actual yield
*select an answer for all questions
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