CPS Unit 5 Test Review #2

Front

In an endothermic reaction, energy is _________.

Back

absorbed

Front

What type of reaction is represented by the equation: Zn + H2S --> ZnS + H2?

Back

single replacement

Front

What are the larger numbers that you CAN CHANGE in a chemical equation?

Back

Coefficient

Front

What kind of graph represents an endothermic reaction?

Back

A graph that shows energy being absorbed over time.

Front

To slow down a chemical reaction, you will do one of the following:

Back

Place the reactants in an ice bath.

Front

What is an exothermic reaction?

Back

A reaction that releases energy, usually in the form of heat.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a catalyst?

Back

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

Front

What is the difference between reactants and products?

Back

Reactants are substances that start a chemical reaction; products are substances formed as a result.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.