When heat is added to boiling water, its temperature
A)increases.
B)decreases.
C)remains unchanged.
D)none of the above

Question

Quizplus · Accepted Answer

When heat is added to boiling water, its temperature remains unchanged because the boiling point of water is fixed at 100 degrees Celsius at standard pressure (1 atm). Additional heat does not increase its temperature, but instead is used to convert the liquid water into steam (water vapor), allowing it to escape as a gas.

When Heat Is Added to Boiling Water, Its Temperature