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

  • question_answer
    What is the entropy change (in\[J{{K}^{-1}}\,mo{{l}^{-1}}\]) when one mole of ice is converted into water at \[0{}^\circ C\]? (The enthalpy change for the conversion of ice to liquid water is \[6.0\text{ }kJ\text{ }mo{{l}^{-1}}\]at\[0{}^\circ C\])

    A) 21.98               

    B) 20.13

    C) 2.013               

    D) 2.198

    Correct Answer: A

    Solution :

    [a] \[\Delta S(per\,mole)=\frac{\Delta H\text{ }per\text{ }mole}{T}=\frac{6000}{273}\] \[=21.98\,J{{K}^{-1}}~mo{{l}^{-1}}\]


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