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NEET Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Self Evaluation Test - Thermodynamics

  • question_answer
    One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The AE for this process is \[(R=2\text{ }cal\text{ }mo{{l}^{-1}}{{k}^{-1}})\]

    A) 163.7 cal          

    B) zero

    C) 1381.1 cal       

    D) 9 lit atm

    Correct Answer: B

    Solution :

    For a finite change\[\Delta E={{C}_{v}}\Delta T\]. For an isothermal process\[\Delta T=0\]. Hence \[\Delta E=0\]


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