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In which of the following cases entropy ...

In which of the following cases entropy increases?

A

Solid changing to liquid

B

Expansion of gas

C

Crystal dissolves

D

Boiling of an egg

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The correct Answer is:
A, B, C, D
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P BAHADUR-THERMODYNAMICS-Exercise
  1. For gaseous reactions, if DeltaH is the change in enthalpy and DeltaU ...

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  2. Thermodynamic parameters for : HX + H2O to H3O^+ + X^- are given for...

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  3. In which of the following cases entropy increases?

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  4. A reaction attains equilibrium state under standard conditions, then:

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  5. The open system (s) is (are) which :

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  6. Which of the following statements is/are correct?

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  7. Given: for ethylene oxide DeltaH^@f and DeltaS^@ are -51kJmol^(-1), 24...

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  8. The reversible expansion of an ideal gas under adiabatic and isotherma...

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  9. For an ideal gas, consider only P-V work in going from an initial stat...

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  10. An endotthermic reaction is non-spontaneous at freezing point of water...

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  11. A heat engine absorbs heat Q(1) at temperature T(1) and Q(2) at temper...

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  12. In an irreversible process taking place at constant T and P and in whi...

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  13. The internal energy change when a system goes fromk state A to B is 40...

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  14. The correct relationship between free energy change in a reaction and ...

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  15. An ideal gas expands from 1xx10^(-3)m^(3) to 1xx10^(-2)m^(3) at 300K a...

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  16. For a spontaneous reaction, DeltaG , equilibrium constant (K) and E(ce...

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  17. An ideal gas is allowed to expand both reversibly and irreversibly in ...

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  18. In conversion of lime-stone to lime, CaCO(3(s)) to CaO((s)) + CO(2(g...

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  19. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  20. Which one of the following statement is false?

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