Chapter 7 Chemical Reactions

Flashcards for chapter 7 and The Nature of Chemical Reactions.

18 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Reactant
A substance or molecule that participates in a chemical reaction
Product
A substance that forms in a chemical reaction
Chemical energy
The energy released when a chemical compound reacts to produce new compounds
Exothermic reaction
A chemical reaction in which energy is released to the surroundings as heat
Endothermic reaction
A chemical reaction that requires energy input
Chemical equation
A representation of a chemical reaction that uses symbols to show that relationship between the reactions and the product
Mole ratio
The relative of moles of the substances required to produce a given amount of prodct in a chemical reaction
Synthesis reaction
Reaction in which two or more substances combine to form a new compound
Decomposition reaction
A reaction in which a single compound breaks down to form two or more simple substances
Combustion reaction
The oxidation reaction of an organic compound, in which heat is released
Single-displacement reaction
A reaction in which one element or radical takes the place of another element or radical in a compound
Double-displacement reaction
A reaction in which gas, solid, precipitate, or a molecule compound forms from the apparent exchange of atoms or ions between two compounds
Free radical
An atom or group of atoms that has one unpaired election
Oxidation-reduction reaction
Any chemical change in which one species is oxidized and another species is reduced
Catalyst
A substance that changes the rate of a chemical reaction without being consumed or changed significantly