Chemical Reactions/ Conservation of Mass

Front

What is the right part of a chemical equation called?

Back

Products

Front

Determine whether the following equation is balanced or unbalanced: H4 + O2 ---> 2H2O

Back

Balanced

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

The total mass of the reactants will always equal the mass of the products in a chemical reaction. True or False?

Back

True

Front

What are the original substances called in a chemical equation?

Back

Reactants

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 are coefficients in a chemical equation?

Back

Numbers placed before the reactants and products to indicate the number of molecules involved.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.