Question

Latent heat of a substance is best defined as:

Options

• Heat absorbed or released during change of state at constant temperature

• Heat released when a substance cools

• Heat that increases both temperature and volume

• Heat needed to raise temperature of 1 kg by 1°C

Answer 1

Heat absorbed or released during change of state at constant temperature

Explanation:

Latent heat is the heat used for change of state without changing temperature.