Chapter 24 Chemical Reactions

Front 1

Inhibitor

Back 1

substance that slows down a chemical reaction or prevents it from occurring by combining it with a reactant

Front 2

Catalyst

Back 2

substance that speeds up a chemical reaction without being changed itself

Front 3

Endothermic reaction

Back 3

chemical reaction that requires heat energy to proceed

Front 4

Endergonic reaction

Back 4

chemical reaction; requires energy to proceed

Front 5

Exothermic reaction

Back 5

chemical reaction in which energy is primarily given off in the form of heat

Front 6

Exergonic reaction

Back 6

chemical reaction that releases some form of energy, such as light

Front 7

Precipitate

Back 7

insoluble compounf that comes out of a solution during a double displacement reaction

Front 8

Double displacement reaction

Back 8

chemical reaction that produces a precipitate when two ionic compounds combine

Front 9

Single displacement reaction

Back 9

chemical reaction in which one element replaces another in a compound

Front 10

Decomposition reaction

Back 10

chemical reaction in which one substance breaks down into two or more substances

Front 11

Synthesis reaction

Back 11

chemical reaction in which two or more substances combine to form a different substance

Front 12

Balanced chemical equation

Back 12

chemical equation with the same number of atoms of each element on both sides

Front 13

Product

Back 13

in a chemical equation, the new substance that is formed

Front 14

Reactant

Back 14

in a chemical equation, the substance that reacts

Front 15

Coefficient

Back 15

number in a chemical equationthat represents the number of units of each substance in the chemical equation

Front 16

Chemical equation

Back 16

shorthand method that uses symbols to tell which elements are in a compound

Front 17

Chemical reaction

Back 17

process in which one or more substances are changed into new substances