Chapter 16 Review

Front

What are the substances listed on the left side of a chemical equation called?

Back

Reactants

Front

What is chemistry?

Back

The study of matter and how matter changes.

Front

What happens when a chemical reaction takes place in an open system?

Back

Matter can enter from or escape to the surroundings.

Front

What best describes a chemical reaction applying the law of conservation of mass?

Back

A balanced equation in which the reactants and products are equal.

Front

What do the numbers in front of a chemical formula in a chemical equation indicate?

Back

The number of molecules or atoms of each substance in the reaction.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What are products in a chemical equation?

Back

The substances formed as a result of a chemical reaction.

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 coefficient in a chemical equation?

Back

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