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JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Numerical Value Type Question - Chemical Energetic

  • question_answer
    Calculate the free energy change when 1 mole of \[NaCl\] is dissolved in water at \[25{}^\circ C.\] Lattice energy of \[NaCl\,\,=\,\,777.8\,\,kJ\,\,mo{{l}^{-1}}\,;\] \[\Delta S\,\,for\,\,dissolution\,\,=\,\,0.043\,\,kJ\,\,mo{{l}^{-1}}\,\,;\]and hydration energy of \[NaCI\,\,=\,\,-774.\,\,1\,kJ\,\,mo{{l}^{-1}}.\]

    Answer:

    -9.11


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