Question:
Which of the following is not an extensive property?
Which of the following is not an extensive property?
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Extensive properties scale with system size, while intensive properties remain independent of it.
Updated On: Jun 20, 2026
- Enthalpy
- Heat capacity
- Volume
- Temperature
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The Correct Option is D
Solution and Explanation
Step 1: Understand extensive and intensive properties.
Extensive properties depend on the amount of substance present, while intensive properties do not depend on the amount of matter and remain constant for a given system.
Step 2: Analyze enthalpy.
Enthalpy depends on the amount of substance. If mass increases, enthalpy increases proportionally. Hence it is an extensive property.
Step 3: Analyze heat capacity.
Heat capacity depends on the amount of substance. Larger systems require more heat to change temperature. Hence it is extensive.
Step 4: Analyze volume.
Volume increases with amount of substance. Doubling substance doubles volume. Hence it is extensive.
Step 5: Analyze temperature.
Temperature does not depend on amount of substance. A small or large system can have same temperature. Hence it is an intensive property.
Step 6: Final conclusion.
Since temperature is independent of system size, it is not an extensive property.
Final Answer: \[ \boxed{\text{Temperature}} \]
Extensive properties depend on the amount of substance present, while intensive properties do not depend on the amount of matter and remain constant for a given system.
Step 2: Analyze enthalpy.
Enthalpy depends on the amount of substance. If mass increases, enthalpy increases proportionally. Hence it is an extensive property.
Step 3: Analyze heat capacity.
Heat capacity depends on the amount of substance. Larger systems require more heat to change temperature. Hence it is extensive.
Step 4: Analyze volume.
Volume increases with amount of substance. Doubling substance doubles volume. Hence it is extensive.
Step 5: Analyze temperature.
Temperature does not depend on amount of substance. A small or large system can have same temperature. Hence it is an intensive property.
Step 6: Final conclusion.
Since temperature is independent of system size, it is not an extensive property.
Final Answer: \[ \boxed{\text{Temperature}} \]
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