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Thermodynamics ...

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  • Question 1
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    The difference between Cp and Cv can be derived using relation H = U + pV. Calculate the difference between Cp and Cv for 10 moles of an ideal gas.

  • Question 2
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    fUo of formation of CH4 (g) at a certain temperature is – 393 kJ mol-1. The value of ∆fHo is

  • Question 3
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    The enthalpy of neutralisation of NaOH with HCl is 57.1 kJ, while with CH3COOH, it is – 55 kJ. This happens because

  • Question 4
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    The bond energies of C-C, C=C, H-H and C-H linkages are 350, 600, 400, 410 kJ per mol, respectively. The heat of hydrogenation of ethylene is

  • Question 5
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    Energy required to dissociate 4 gm of gaseous hydrogen into free gaseous atoms is 208 kcal at 25oC. The bond dissociation energy of H–H bond will be

  • Question 6
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    ∆Hfo for Al2O3 is - 1670 kJ. Calculate the enthalpy change for the following reaction:

    4Al + 3O2 → 2Al2O3

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