Midterm Review 2024

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products) with different properties.

Front

Give an example of a chemical reaction.

Back

Burning a candle is an example of a chemical reaction.

Front

What are reactants in a chemical equation?

Back

Substances that are present before the chemical reaction occurs, written on the left side of the arrow.

Front

What are products in a chemical equation?

Back

Substances that are formed as a result of a chemical reaction, written on the right side of the arrow.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together, such as water (H2O).

Front

What is the difference between a solid and a liquid in terms of particle arrangement?

Back

Particles in a solid are closer together compared to those in a liquid.

Front

What is melting?

Back

The process by which a solid turns into a liquid when heated.

Front

What is boiling?

Back

The process by which a liquid turns into vapor when heated to its boiling point.

Front

What is freezing?

Back

The process by which a liquid turns into a solid when cooled.

Front

What is evaporation?

Back

The process by which a liquid changes into a gas at temperatures below its boiling point.