Question:
The number of extensive and intensive properties in the list given below is respectively:
Density, enthalpy, mass, temperature, volume, pressure
The number of extensive and intensive properties in the list given below is respectively:
Density, enthalpy, mass, temperature, volume, pressure
Density, enthalpy, mass, temperature, volume, pressure
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A simple test: Divide the system into two equal halves. If the property value also divides by two (like mass or volume), it is Extensive. If the property value remains the same in both halves (like temperature or density), it is Intensive.
Updated On: Jun 3, 2026
- 4, 2
- 1, 5
- 2, 4
- 3, 3
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The Correct Option is D
Solution and Explanation
Concept:
Thermodynamic properties are classified into two categories based on their dependence on the size or amount of matter in a system:
• Extensive Properties: Properties that depend on the amount of matter present (e.g., if you double the system, the property value doubles).
• Intensive Properties: Properties that are independent of the amount of matter present (e.g., they remain the same regardless of system size).
Step 1: Identify Extensive Properties.
The properties that change with the amount of substance are:
• Enthalpy: Total heat content depends on the mass.
• Mass: Directly represents the amount of matter.
• Volume: Space occupied increases with more matter. Total Extensive = 3
Step 2: Identify Intensive Properties.
The properties that do not change based on the quantity of matter are:
• Density: The ratio of mass to volume remains constant for a substance.
• Temperature: A small part of a system has the same temperature as the whole.
• Pressure: Does not depend on the total mass of the system. Total Intensive = 3
Step 3: Conclusion.
The number of extensive properties is 3 and intensive properties is 3. Therefore, the respective count is (3, 3).
• Extensive Properties: Properties that depend on the amount of matter present (e.g., if you double the system, the property value doubles).
• Intensive Properties: Properties that are independent of the amount of matter present (e.g., they remain the same regardless of system size).
Step 1: Identify Extensive Properties.
The properties that change with the amount of substance are:
• Enthalpy: Total heat content depends on the mass.
• Mass: Directly represents the amount of matter.
• Volume: Space occupied increases with more matter. Total Extensive = 3
Step 2: Identify Intensive Properties.
The properties that do not change based on the quantity of matter are:
• Density: The ratio of mass to volume remains constant for a substance.
• Temperature: A small part of a system has the same temperature as the whole.
• Pressure: Does not depend on the total mass of the system. Total Intensive = 3
Step 3: Conclusion.
The number of extensive properties is 3 and intensive properties is 3. Therefore, the respective count is (3, 3).
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