CBA Review HONORS

Front

What is the process by which ice melts?

Back

Ice melts by adding energy.

Front

How many atoms of oxygen are in one molecule of NaHCO₃?

Back

There are 3 atoms of oxygen in one molecule of NaHCO₃.

Front

What is the formula to calculate acceleration?

Back

Acceleration = Force / Mass.

Front

If a car has a mass of 2,000kg and it takes 10,000N of force to move, what is its acceleration?

Back

The acceleration is 5m/s².

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two objects reach the same temperature and no heat flows between them.

Front

What happens to the energy of a substance when it melts?

Back

The substance absorbs energy when it melts.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What does it mean when all atoms in the reactants are present in the products?

Back

It means that matter is conserved in the reaction.

Front

What is the significance of water in chemical reactions?

Back

Water can act as a reactant or a product in chemical reactions.