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For a Process to be spontaneous...

For a Process to be spontaneous

A

`DeltaG` must be -ve

B

`DeltaG` should be `+ve`

C

`DeltaH` must be -ve

D

`DeltaS` must be -ve

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The correct Answer is:
A
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PATHFINDER-THERMODYNAMICS-QUESTION BANK
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  2. A gas can expand from 100 mL to 250 mL. under a constant pressure of 2...

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  3. For a Process to be spontaneous

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  4. Assertion DeltaH and DeltaE are almost the same for the reaction, N2(g...

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  5. Assertion The increase in internal energy (DeltaE) for the vaporisatio...

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  6. Which of the following has DeltaS^@ greater than zero?

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  7. The heat of reaction for C(10)H8(s) + 12O2,(g) rarr10CO2,(g) + 4H2O(l...

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  8. Which law states entropy of all pure crystalline solids is zero at abs...

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  9. The enthalpies of formation of C2H2(g) and C6H6(g) at 298 K are 230 an...

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  10. For an ideal gas, the Joule Thomson coefficient is

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  11. The relation of DeltaH and DeltaE is represented as

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  12. Calculate the temperature at which DeltaG = -5.2 kJ mol^-1, DeltaH = 1...

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  13. When ice melts into water entropy

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  14. Which of the following Is not the extensive property?

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  15. C(s) + O2(g) overset to CO2(g) DeltaH = -94 kcal CO +1/2 O2(g) overs...

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  16. In order to decompose 9g water 142.5 kJ heat is required. Hence, the e...

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  17. The enthalpy of combustion of C6H6(l) is -3250 kJ. When 0.39 g of benz...

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  18. For the reaction H2O(s) iff H2O(l) at 0^@C and normal pressure

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  19. H2+Cl2 overset to 2HCl, DeltaH = 194kJ In this reaction heat of format...

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  20. N2(g) + 6H2(g) overset to 4NH3(g) What is the enthalpy of the above re...

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