JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Basic concepts

  • question_answer
    The temperature of the system decreases in an                [KCET 2005]

    A)                 Adiabatic compression 

    B)                 Isothermal compression

    C)                 Isothermal expansion   

    D)                 Adiabatic expansion

    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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