Phy Sci Unit 6 Flashcardizz

Front

What is the solubility of NH₃ in 100 grams of water at 45°C?

Back

33 grams.

Front

What is the boiling point of a substance at 1 atmosphere of pressure?

Back

100°C.

Front

What happens to energy input when a substance changes from solid to liquid?

Back

Energy input increases.

Front

What is the effect of adding heat to a liquid?

Back

It changes the liquid to gas.

Front

What is the effect of removing heat from a liquid?

Back

It changes the liquid to solid.

Front

What does arrow 1 represent in a heating curve diagram?

Back

Melting.

Front

What does arrow 2 represent in a heating curve diagram?

Back

Freezing.

Front

Define the term 'melting'.

Back

The process of a solid turning into a liquid.

Front

Define the term 'freezing'.

Back

The process of a liquid turning into a solid.

Front

What is the relationship between temperature and state of matter?

Back

Temperature changes can cause matter to change states.