Hot Pack Engineering

Front

What is an endothermic reaction?

Back

A chemical reaction in which more energy is absorbed than is released.

Front

What happens when a chemical bond forms?

Back

It releases energy into the surroundings.

Front

What is a sign of energy being used in a chemical reaction?

Back

A change in temperature.

Front

What characterizes an exothermic reaction?

Back

It releases more energy than it absorbs.

Front

What happens to energy when a chemical bond breaks?

Back

It absorbs energy.

Front

Define exothermic reaction.

Back

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

Front

Define endothermic reaction.

Back

A reaction that absorbs energy from its surroundings.

Front

What is the role of energy in chemical reactions?

Back

Energy is either absorbed or released during chemical reactions.

Front

What is a chemical bond?

Back

A lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is the difference between endothermic and exothermic reactions?

Back

Endothermic reactions absorb energy, while exothermic reactions release energy.