Question

Read all the following statements and mark the statement as your answer that best defines the heat capacity of a sample.

1. It is the amount of heat required to raise the temperature of unit mass by 1 ℃

2. It is the amount of heat required to raise the temperature of a substance by 1 ℃.

3. It is the amount of heat required to raise the temperature of a body by 100 ℃.

4. None of these