Chemical Reactions

Front

The starting materials in a chemical reaction are called _______________.

Back

Reactants

Front

The substances listed on the right side of a chemical equation are the ______________.

Back

Products

Front

What reaction has the following general formula: A + CD --> C + AD?

Back

Single Replacement

Front

What is the little number after an element in a chemical equation called? Example: H₂

Back

Subscript

Front

Back

Double Replacement

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

What is an exothermic reaction?

Back

A reaction that releases energy in the form of heat.