17 terms

Chemical Reactions Vocabulary

Balanced Chemical Equation
chemical equation with the same number of atoms of each element on both sides of the equation.
substance that speeds up a chemical reaction without being permanently changed itself.
Chemical Equation
shorthand method to describe chemical reactions using chemical formulas and symbols.
Chemical Reaction
process in which one or more substances are changed into new substances
number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction.
Decomposition Reaction
chemical reaction in which one substance breaks down into two or more substances.
Double-Displacement Reaction
chemical reaction that produces a precipitate, water, or a gas when two ionic compounds in a solution are combined.
Endergonic Reaction
chemical reaction; requires energy to proceed
Endothermic Reaction
chemical reaction that requires heat energy to proceed
Exergonic Reaction
chemical reaction that releases some sort of energy such as light or heat.
Exothermic Reaction
chemical energy in which energy is primarily given off in the form of heat.
substance that slows down a chemical reaction or prevents it from occurring by combining with a reactant.
insoluble compound that comes out of solution during a double displacement reaction.
In a chemical reaction, the new substance that is formed.
In a chemical reaction, the substance that reacts.
Single-Displacement Reaction
chemical reaction in which one element replaces another element in a compound
Synthesis Reaction
Chemical reaction in which two or more substances combine to form a different substance.