PD4 - MRMS MP2: 2025: Exothermic/Endothermic Flashcard

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases energy in the form of heat to its surroundings.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

Is respiration an exothermic or endothermic reaction?

Back

Exothermic.

Front

What happens to temperature during an exothermic reaction?

Back

The temperature increases.

Front

What happens to temperature during an endothermic reaction?

Back

The temperature decreases.

Front

What is the equation for the combustion of methane?

Back

CH4 + 2O2 → 2H2O + CO2 + heat.

Front

What is a common example of an exothermic reaction?

Back

The combustion of gasoline.

Front

Which process is exothermic: baking soda and citric acid mixing or fireworks exploding?

Back

Fireworks exploding.

Front

What is the main characteristic of an exothermic reaction?

Back

It releases heat.

Front

What is the main characteristic of an endothermic reaction?

Back

It absorbs heat.