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Which relation is correct ?...

Which relation is correct ?

A

`DeltaG=DeltaH-TDeltaS`

B

`DeltaG=DeltaH+TDeltaS`

C

`DeltaG=TDeltaS-DeltaH`

D

`DeltaG=DeltaH-SDeltaT`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaG=DeltaH-T Delta S` (Gibbs Helmholtz equation).
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. The heat of formation of the compound in the following reaction is H...

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  2. When water is added to quick lime, the reaction is

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  3. Which relation is correct ?

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  4. Variation of heat of reaction with temperature is known as

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  5. Enthalpy of reaction DeltaH is expressed as

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  6. Heat capacity is

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  7. Given that C+O(2)rarrCO(2),DeltaH^(@)=-xKJ and 2CO+O(2)rarr2CO(2),Delt...

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  8. The enthalpy change of a reaction does not depend on

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  9. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

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  10. NH(3)(g)+3Cl(2)toNCl(3)(g)+3HCl(g),DeltaH(1) N(2)(g)+3H(2)(g)to2NH(3...

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  11. When enthalpy and entropy change for a chemical reaction are -2.5 xx10...

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  12. The bond dissociation energy of gaseous H(2),Cl(2) and HCl are 104,58 ...

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  13. At constant TandP,Which of the following statements is correct for the...

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  14. A reaction is not feasible if

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  15. One mole of an ideal gas at 300K is expanded isothermally from an init...

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  16. Identify the correct statement regarding entropy

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  17. The reaction is sontaneous if the cell potential is

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  18. In an endothermic reaction, the value of DeltaH is

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  19. Enthalpy of an exothermic reaction is always

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  20. DeltaH for solid to liquid transitions for protein A and B are 2.73 kc...

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