Question
The graph below shows a heating curve. What is occurring at the plateaus or flat sections on the heating curve?
*
1 point
Captionless Image
The temperature is decreasing.
The temperature remains unchanged.
The temperature is increasing.
The temperature varies unpredictably.
*
1 point
Captionless Image
The temperature is decreasing.
The temperature remains unchanged.
The temperature is increasing.
The temperature varies unpredictably.
Answers
GPT-4o mini
At the plateaus or flat sections on a heating curve, the temperature remains unchanged. This occurs during phase changes, such as melting or boiling, when the heat energy being added is used to change the state of the substance rather than to increase its temperature.