Which requires more energy?
A)melting a gram of 0°C ice
B)increasing the temperature of 1 gram of water from 0°C to 100°C
C)changing 1 gram of 100°C water to 100°C steam
D)all the same

Question

Quizplus · Accepted Answer

Changing water from liquid to gas requires more energy than simply melting ice or increasing the temperature of water. This is because when water reaches its boiling point, it requires a large amount of energy to break the hydrogen bonds between the molecules and convert it to steam.

Which Requires More Energy