How is the temperature of a substance affected as it undergoes a change of state?

1 Answer
Jun 9, 2017

The temperature remains constant until the phase change is complete.

Explanation:

In the phase diagram below, you can see that B and D are phase changes, and the temperature is constant until the phase change is complete. The slanted lines represent the addition or removal of heat in between the different phases.

![http://unmasadalha.blogspot.com/2016/01/http://phase-change-diagram.html](https://useruploads.socratic.org/YLEukyLfTWKmfykUL8x7_HeatCool.gif)