Home Chemistry Thermodynamics and Thermochemistry Basic concepts The temperature of the system decreases in an
Chemistry Thermodynamics and Thermochemistry Basic concepts Single Correct MCQ
Published on: August 11, 2026

The temperature of the system decreases in an

A
Adiabatic compression
B
Isothermal compression
C
Isothermal expansion
D
Adiabatic expansion

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Text Solution

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The correct answer is:
D

When a real gas is forced through a porous plug into a region of low pressure, it is found that due to expansion, the gas on the side of low pressure gets cooled. The phenomenon of producing lowering of temperature when a gas is made to expand adiabatically from a region of high pressure into a region of low pressure is known as Joule-Thomson effect.

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