Chemical Reactions and Balancing Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What do endothermic reactions do?

Back

Take in energy

Front

What happens to the temperature in an exothermic reaction?

Back

It increases

Front

What is the right part of a chemical equation called?

Back

Products

Front

Does this follow the law of conservation of mass: 2H2 + O2 → 2H2O?

Back

Yes

Front

What is a chemical reaction?

Back

A process that transforms one or more substances into different substances.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an exothermic reaction?

Back

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

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.