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Predict in which of the following, entro...

Predict in which of the following, entropy increases:(i) A liquid crystallizes into a solid.

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Entropy decreases
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A N EXCEL PUBLICATION-THERMODYNAMICS-QUESTION BANK
  1. Two litres of an ideal gas at a pressure of 10 atm expands isothermall...

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  2. Consider the same exapansion, but this time against a constant externa...

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  3. Predict in which of the following, entropy increases:(i) A liquid crys...

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  4. a) Predict whether entropy increases or decreases in the following cha...

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  5. Predict in which of the following, entropy increases:(iii)2NaHCO3(s)ra...

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  6. Predict in which of the following, entropy increases:(iii)H2(g)rarr 2H...

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  7. In a process, 701 J of heat is absorbed by a system and 394 J of work ...

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  8. The reaction of cyanamide, NH2CN(s) with O2 was carried out in a bomb ...

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  9. Calculate the nuber of KJ of heat necessary to raise the temperatures ...

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  10. Enthalpy of combustion of C to CO2 is -393.5 KJ mol^-1. Calcualte the ...

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  11. Ethalpies of formation of CO(g), CO2(g) ,N2O(g) and N2O4(g) are -110,-...

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  12. Given that N2(g)+3H2(g)rarr2NH3 DeltarHtheta=-92.4 What is the sand...

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  13. Calculate the standard enthalpy of formation of CH3OH(l) from the foll...

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  14. For an isolated system, Delta U=0. What will be DeltaS?

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  15. For the reaction 2A+BrarrC at 298 K, DeltaH=400kJ mol^-1 and DeltaS=0....

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  16. For the reaction, 2Cl(g)rarr Cl2(g) what are the signs of DeltaH and D...

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  17. For the reaction 2A(g)+B(g)rarr2D(g), DeltaU^theta=-10.5 kJ and DeltaS...

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  18. The equilibrium constant for a reaction is 10. What will be the value ...

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  19. Comment on the thermodynamic stability of NO(g) and NO2(g) given : f...

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  20. Calculate the entropy change in surrounding when 1.0 mol of H2O(l) is ...

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