Chapter 6 Vocabulary Review Question Preview (ID: 29932)
Vocabulary Review.
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A reaction in which a single compound breaks down to form two or more simpler substances is called a(n) ______________________________.
a) decomposition reaction
b) synthesis reaction
c) single-displacement reaction
d) double-displacement reaction
A(n) ______________________________ is a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds.
a) single-displacement reaction
b) double-displacement reaction
c) synthesis reaction
d) decomposition reaction
A substance that forms in a chemical reaction is called a(n) _________________________.
a) enzyme
b) reactant
c) product
d) catalyst
A(n) ______________________________ is a chemical reaction that requires heat.
a) endothermic reaction
b) exothermic reaction
c) chemical reaction
d) chemical equation
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products is called a(n) _________________________.
a) chemical reaction
b) chemical energy
c) chemical equation
d) enzyme
_________________________ is the energy released when a chemical compound reacts to produce new compounds.
a) Chemical energy
b) Chemical equation
c) An enzyme
d) A catalyst
A reaction in which one element or radical takes the place of another element or radical in a compound is called a(n) ______________________________.
a) combustion reaction
b) synthesis reaction
c) double-displacement reaction
d) single-displacement reaction
A(n) _________________________ is a substance that changes the rate of a chemical reaction without being consumed or changed significantly.
a) catalyst
b) enzyme
c) chemical energy
d) reactant
A(n) ______________________________ is a chemical reaction in which heat is released to the surroundings.
a) exothermic reaction
b) endothermic reaction
c) synthesis reaction
d) decomposition reaction
A reaction in which two or more substances combine to form a new compound is called a(n) ______________________________.
a) synthesis reaction
b) decomposition reaction
c) single-displacement reaction
d) double-displacement reaction
A substance or molecule that participates in a chemical reaction is called a(n) ______________________________.
a) enzyme
b) product
c) reactant
d) chemical energy
A type of protein that speeds up metabolic reactions in plants and animals without being permanently changed or destroyed is called a(n) ______________________________.
a) enzyme
b) radical
c) catalyst
d) protein
The oxidation reaction of an organic compound, in which heat is released is called ______________________________.
a) decomposition reaction
b) synthesis reaction
c) single-displacement reaction
d) combustion reaction
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