Chem final P2 2024 sem 1 51-100

Front

What is the SI unit used to measure mass?

Back

grams

Front

What are sodium and chlorine when they combine to form sodium chloride?

Back

Reactants

Front

What happens to objects as they are heated?

Back

They expand so volume goes up and density goes down.

Front

What is the boiling point of a substance if its heating curve shows it at 60°C?

Back

60°C

Front

What does maximum kinetic energy refer to in a system?

Back

The highest energy state of the particles in a substance.

Front

What is the definition of a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is the definition of density?

Back

Density is mass per unit volume of a substance.

Front

What is the relationship between temperature and kinetic energy?

Back

As temperature increases, the kinetic energy of particles increases.

Front

What is the definition of boiling point?

Back

The temperature at which a liquid turns into vapor.

Front

What happens to the density of a substance when it is heated?

Back

The density decreases as the substance expands.