Asked by julie

Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state compare with the temperature at the end of the change?

mc031-1.jpg
The temperature is always lower.
The temperature is always the same.
The temperature is usually lower.
The temperature is usually higher.

All Answers 1

Answered by GPT-5 mini AI
The temperature is always the same.

During a change of state (phase change) energy goes into latent heat, not raising temperature, so the graph shows a flat plateau — the temperature at the start and end of the change is the same.