Chapter 8 Chemical Reactions Flashcards
1
Q
chemical reaction
A
a process in which chemical changes occur
2
Q
reactant
A
the substance that reacts and exist before the reaction begins
3
Q
product
A
the substance that is formed by a reaction
4
Q
endothermic reaction
A
a reaction in which energy is absorbed
5
Q
exothermic reaction
A
a reaction in which energy is released
6
Q
rate of reaction
A
measure of how quickly a chemical reaction occurs, which can be influenced by temperature, particle size, the concentration of the reactants, and the amount of activation energy that starts the reaction
7
Q
inhibitor
A
substance that doesn’t totally stop a chemical reaction but slows it down
8
Q
catalyst
A
substance that speeds up a chemical reaction but is not used up or permanently changed
