Energy
Vocabulary
Reaction Rates
100
A reaction where more energy is released than put into the reaction.
What is an exothermic reaction
100

These are the substances that are produced during a chemical reaction.

What are products?

100

True or False: Usually raising the temperature will slow down a reaction. 

False

200
Photosynthesis is an example of this type of reaction.
What is an endothermic reaction
200

This law states that mass can not be created or destroyed and explains why chemical equations must be balanced.

What is the Law of Conservation of Mass

200

The rate of a reaction increases as temperature _________.

increases

300
This is the place where chemical energy is stored.
What are chemical bonds.
300

A substance that takes part in and undergoes change in a reaction.

What is a reactant?

300

Name one factor that affects the rate of a reaction.

concentration, temperature, surface area, pressure

400

The amount of energy required to start a chemical reaction.

What is activation energy?

400

What is one way you can recognize that a chemical reaction has occurred?

Production of a gas, formation of a solid, color change, change in odor, Change in temperature, visible light.

400

This is the name of a substance added to a chemical reaction to speed it up.

What is a catalyst?

500

This is the visual representation of a change in energy.

What is an energy diagram?

500

The solid that forms from two aqueous solutions during a reaction.

What is a precipitate?

500

This is a name for a substance that is added to slow a chemical reaction.

inhibitor