Chemical Reactions

Front

What does the law of conservation of mass state?

Back

Matter can neither be made nor destroyed.

Front

What are the starting materials in a chemical reaction called?

Back

Reactants

Front

Which factors can increase the rate of a chemical reaction?

Back

Increasing temperature, increasing concentration, increasing surface area.

Front

In the equation @@6CO_2 + 6H_2O ightarrow C_6H_{12}O_6 + 6O_2@@, how many carbon atoms are balanced on each side?

Back

6

Front

What are the substances listed on the right side of a chemical equation called?

Back

Products

Front

Define a chemical reaction.

Back

A process where reactants are transformed into products through breaking and forming of bonds.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

What is the difference between exothermic and endothermic reactions?

Back

Exothermic reactions release heat, while endothermic reactions absorb heat.

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 the role of energy in chemical reactions?

Back

Energy is required to break bonds in reactants and is released when new bonds form in products.