Chem 1: Unit 4 Midway (phases / heating cooling water)

Front

What happens to potential energy when ice freezes?

Back

Potential energy exits the system.

Front

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

Back

60 C is the boiling point.

Front

How do you cool things down?

Back

You must slow down the particles through an exothermic process.

Front

In which region of a heating curve graph would a substance be a solid and a liquid?

Back

Region 2.

Front

What is the term for the energy transferred between objects at different temperatures?

Back

Heat.

Front

What is the definition of kinetic energy?

Back

The energy of motion.

Front

What is the definition of potential energy?

Back

Stored energy based on position or state.

Front

What is an endothermic process?

Back

A process that absorbs heat from the surroundings.

Front

What is an exothermic process?

Back

A process that releases heat to the surroundings.

Front

What occurs during a phase change from solid to liquid?

Back

Melting, where heat is absorbed.