NEET Sample Paper NEET Sample Test Paper-18

  • question_answer
    The change of energy on freezing 1.00 kg of liquid water at \[0{}^\circ C\] and 1 atm is

    A) \[-333.4\,kJ\,k{{g}^{-1}}\]        

    B) \[-236.7\,kJ\,k{{g}^{-1}}\]

    C) \[236.7\,kJ\,k{{g}^{-1}}\]                     

    D) \[333.4\,kJ\,k{{g}^{-1}}\]   

    Correct Answer: A

    Solution :

    For 1 g water\[=-0.3334\,J/g\] For 1 kg water\[=-0.3334\times 1000\] \[=-333.4\,kJ/kg\] Hence, the correct option is .


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