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The heat capacity at constant volume is defined as: (2023)

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Question: The heat capacity at constant volume is defined as: (2023)

Options:

  1. C_v = dQ/dT at constant pressure
  2. C_v = dQ/dT at constant volume
  3. C_v = dW/dT at constant volume
  4. C_v = dQ/dP at constant volume

Correct Answer: C_v = dQ/dT at constant volume

Exam Year: 2023

Solution: 

The heat capacity at constant volume (C_v) is defined as the amount of heat added to the system divided by the change in temperature at constant volume.

The heat capacity at constant volume is defined as: (2023)

Practice Questions

Q1
The heat capacity at constant volume is defined as: (2023)
  1. C_v = dQ/dT at constant pressure
  2. C_v = dQ/dT at constant volume
  3. C_v = dW/dT at constant volume
  4. C_v = dQ/dP at constant volume

Questions & Step-by-Step Solutions

The heat capacity at constant volume is defined as: (2023)
  • Step 1: Understand that heat capacity at constant volume (C_v) is a measure of how much heat energy a system can hold.
  • Step 2: Recognize that this measurement is taken when the volume of the system does not change.
  • Step 3: Know that to find C_v, you need to add a certain amount of heat to the system.
  • Step 4: Measure how much the temperature of the system increases as a result of adding that heat.
  • Step 5: Calculate C_v by dividing the amount of heat added by the change in temperature.
  • Heat Capacity at Constant Volume – The heat capacity at constant volume (C_v) quantifies how much heat is required to change the temperature of a system by one degree while keeping the volume constant.
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