The production of one or more substances is the only evidence that a chemical reaction has occurred.

What speeds up the rate of a chemical reaction?

A _____________ is a concise way to represent the composition of a chemical compound.

The Law of Conservation of Mass applies to both open and closed systems.

In some chemical reactions, matter can be destroyed.

In a chemical equation, reactants are found on the left of the arrow.

What type of reactions release energy in the from of heat.

_____________ energy is the minimum amount of energy needed to start a reaction.

During an open system chemical reaction, matter can not escape.

The rate of a chemical reaction is _____________ on temperature

A solid that is formed from one or more liquids in a chemical reaction is called _________.

Which of the following is always conserved in a chemical reaction?

What is the term for substances that are produced in a chemical reaction?

Solid ice changing into a liquid water is a chemical change.

What is found on the right hand side of the arrow in a chemical equation?

Something that slows down a chemical reaction is known as a __________.

Which two reactions are opposite of each other?

In this chemical equation, the elements in black are the_______.