Chemical Reactions and Balancing Equations

Front

What is the right part of a chemical equation called?

Back

Products

Front

Where are the reactants located in a chemical equation?

Back

On the left side of the equation.

Front

What happens to the temperature of the surroundings during an endothermic reaction?

Back

The surroundings feel cold.

Front

In the equation CH₄ + 2 O₂ → CO₂ + 2 H₂O, what is CH₄?

Back

Reactant

Front

How many oxygen atoms are in the formula 2 CO₂?

Back

4 oxygen atoms.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of atoms to form new substances.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a balanced chemical equation?

Back

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

Front

What is an exothermic reaction?

Back

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

Front

What is a reactant?

Back

A substance that undergoes change in a chemical reaction.