Q2 Test 3

Front

What is decomposition?

Back

Decomposition is the process of breaking substances apart.

Front

What type of reactions usually feel hot?

Back

Exothermic reactions usually feel hot.

Front

What happens to energy when a candle is lit and hydrocarbons are combusting?

Back

Energy is being released.

Front

In an exothermic reaction, what happens to heat?

Back

Heat is given out.

Front

What are examples of endothermic processes?

Back

Baking bread and cooking an egg are examples of endothermic processes.

Front

Define endothermic reaction.

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.

Front

Define exothermic reaction.

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What is combustion?

Back

Combustion is a chemical reaction that occurs when a substance reacts with oxygen, producing heat and light.

Front

What is the difference between endothermic and exothermic reactions?

Back

Endothermic reactions absorb heat, while exothermic reactions release heat.

Front

What is an example of a decomposition reaction?

Back

An example of a decomposition reaction is the breakdown of water into hydrogen and oxygen gas.