Question:
Which of the following is an extensive property?
Which of the following is an extensive property?
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Extensive = Amount-dependent (Mass, Volume, Energy). Intensive = Independent (Temperature, Pressure, Density).
Updated On: Jul 4, 2026
- Enthalpy
- Density
- Viscosity
- Concentration
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Extensive properties are physical properties of a system that depend on the size or the amount of matter in the system.
Step 2: Meaning
In contrast, intensive properties (like density or viscosity) remain the same regardless of how much substance is present.
Step 3: Analysis
Density, viscosity, and concentration do not change if you split a sample in half. However, the total heat content or enthalpy ($H$) is additive; doubling the mass doubles the total enthalpy.
Step 4: Conclusion
Since enthalpy varies with the amount of material, it is classified as an extensive property. Final Answer: (A)
Extensive properties are physical properties of a system that depend on the size or the amount of matter in the system.
Step 2: Meaning
In contrast, intensive properties (like density or viscosity) remain the same regardless of how much substance is present.
Step 3: Analysis
Density, viscosity, and concentration do not change if you split a sample in half. However, the total heat content or enthalpy ($H$) is additive; doubling the mass doubles the total enthalpy.
Step 4: Conclusion
Since enthalpy varies with the amount of material, it is classified as an extensive property. Final Answer: (A)
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