7.2 Chemical Reactions & Energy

Front

What is a physical model built to try out and test?

Back

Prototype

Front

What term describes energy flowing from the reaction system to the surroundings (heat exits the system)?

Back

Exothermic

Front

What is a substance made up of different elements joined together by a chemical bond?

Back

Compound

Front

What do our designs need to meet to be considered successful?

Back

Criteria

Front

What are the new substances that are produced from a chemical reaction called?

Back

Products

Front

What is the term for a reaction that absorbs energy from its surroundings?

Back

Endothermic

Front

What is the term for the starting materials in a chemical reaction?

Back

Reactants

Front

What is the measure of how much matter is in a given volume?

Back

Density

Front

What is the term for a mixture where the composition is uniform throughout?

Back

Homogeneous mixture

Front

What is the process called when a solid forms from a solution during a chemical reaction?

Back

Precipitation