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Calculate DeltaG^(@) (kJ/mol) at 127^(@)...

Calculate `DeltaG^(@)` (kJ/mol) at `127^(@)C` for a reaction with `K_("equilibrium")=10^(5)` :

A

`-38.294`

B

`-16.628`

C

`-9.16`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaG^(@)=-RTlnK=-8.314xx10^(-3)xx400ln10^(5)`
`DeltaG^(@)=-38.294 " kJ"`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
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  2. which of the folowing statement is correct?

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  3. Calculate DeltaG^(@) (kJ/mol) at 127^(@)C for a reaction with K("equil...

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  4. When reaction is at standard state at equilibrium, then

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  5. For the auto-ionization of water at 25^(@)C, H(2)O(l)iff H^(+)(aq)+OH^...

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  6. State Hess's law. Give two applications of it.

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  7. An imaginary reaction X rarr Y takes place in three steps X rarr A...

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  8. The enthalpy change for a reaction does not depend upon:

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  9. The standard enthalpy of formation of gaseous H(2)O at 298 K is -241.8...

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  10. Which of the following value of DeltaH(f)^(@) represent that the produ...

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  11. For which of the following substances is the heat of formation in the ...

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  12. Calculate the standard enthalpy of reaction for the following reaction...

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  13. Given the following equations and DeltaH^(@) values, determine the ent...

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  14. Given : C("diamond")+O(2)rarrCO(2),DeltaH=-395 kJ C("graphite"...

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  15. Which of the following equations represents a reaction that provides t...

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  16. Use the given standard enthalpies of formation (in kJ/mol) to determin...

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  17. The standard enthalpy of formation of octane (C(8)H(18)) is -250kJ //m...

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  18. Determine the enthalpy of formation of B(2)H(6)(g) in kJ/mol of the fo...

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  19. Consider the following reactions: C(s)+O(2)(g)toCO(2)(g)+x " kJ" C...

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  20. If Delta(f)H^(@)(C(2)H(4)) and Delta(f)H^(@)(C(2)H(6)) are x(1) and x(...

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