Property Changes in Chemical Reactions Flashcardizz

Front

What is Density?

Back

Density is the mass of an object divided by its volume.

Front

What is the Density Formula?

Back

Density = Mass / Volume

Front

What is an Exothermic Reaction?

Back

An exothermic reaction is a chemical reaction that releases energy, usually in the form of heat.

Front

What is an Endothermic Reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings.

Front

What is a sign of a chemical change?

Back

Signs of a chemical change include change in color, formation of a gas, and release of light or sound.

Front

Which of the following isn't a sign of a chemical change?

Back

Boiling is not a sign of a chemical change.

Front

How can you measure the volume of an irregular object?

Back

Use the displacement method to measure the volume of an irregular object.

Front

How can you measure the mass of an object?

Back

Use a balance to measure the mass of an object.

Front

How do you calculate Density?

Back

Density is calculated by dividing mass by volume.

Front

What happens to energy in an exothermic reaction?

Back

Energy is released into the surroundings during an exothermic reaction.