Phase Changes of Water
•Latent heat is the heat released or absorbed per unit mass when water changes phase.
•Latent heating is an efficient way of transferring energy globally and is an important energy source for Earth’s weather and climate.
D:\yu\maker\talk\uci\class\ESS55\image\laten.heat.gif
(from Meteorology: Understanding the Atmosphere)
80 cal/gm
600 cal/gm
680 cal/gm