Chemical Thermodynamics Question 64

Question: The temperature of the system decreases in an [KCET 2005]

Options:

A) Adiabatic compression

B) Isothermal compression

C) Isothermal expansion

D) Adiabatic expansion

Show Answer

Answer:

Correct Answer: D

Solution:

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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