Compare the internal energy of one gram of steam to that of one gram of water if both are at 100$\degree$C.
A) The internal energy of the steam will be higher.
B) The internal energy of the water and steam are the same.
C) The internal energy of the water will be higher.

Question

Quizplus · Accepted Answer

At the same temperature, steam has a higher internal energy than water due to the extra energy required to break the intermolecular bonds to convert water to vapor. This extra energy is stored as internal energy in steam. Therefore, the internal energy of one gram of steam will be higher than that of one gram of water at the same temperature.

Compare the Internal Energy of One Gram of Steam to That