When you add 100 joules of heat to a glass of water the temperature goes up When you add 100 joules of heat to water with ice cubes in it the temperature stays the same Why?

Answer 1

When 100 joules of heat is added to a glass of water, the energy increases the kinetic energy of the water molecules, raising the temperature. However, when adding the same amount of heat to water containing ice cubes, the energy goes into melting the ice rather than increasing the temperature of the water. This process, called latent heat, absorbs energy without a change in temperature until all the ice has melted. Thus, the temperature remains constant while the phase change occurs.