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Consider the following reaction. C(6)H...

Consider the following reaction.
`C_(6)H_(6)(l)+(15)/(2)O_(2)(g)rarr6CO_(2)(g)+3H_(2)O(g)`
signs of `DeltaH, DeltaS` and `DeltaG` for the above reaction will be
a) `+,-,+`
b) `-,+,-`
c) `-,+,-`
d) `+,+,-`

A

`+,-,+`

B

`-,+,-`

C

`-,+,-`

D

`+,+,-`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaH=-ve("Combustion reaction")`
`DeltaS=+ve(Deltan_(g)=+ve)`
`DeltaG=DeltaH-TDeltaS=-ve`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
  1. Consider the following spontaneous reaction 3X(2)(g)rarr2X(3)(g). What...

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  2. For the reaction 2H(g)rarr H(2)(g), the sign of DeltaH and DeltaS resp...

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  3. Consider the following reaction. C(6)H(6)(l)+(15)/(2)O(2)(g)rarr6CO(...

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  4. Consider the following reaction at temperature T : CH(2)=CH(2)(g) +...

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  5. For a process to be spontaneous, DeltaG must be………… .

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  6. For a reaction to occur spontaneously

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  7. Which of the following conditions reagarding a chemical process ensure...

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  8. The free energy change DeltaG = 0, when

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  9. Which of the following conditions regarding a chemical process ensures...

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  10. Suppose that a reaction has DeltaH=-40kJ and DeltaS =- 50J//K. At what...

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  11. For isothermal expansion in case of an ideal gas :

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  12. What is the normal boiling point of mercury? Given : DeltaH (f)^(@)...

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  13. 19 gm of ice is converted into water at 0^(@)C and 1 atm. The entropie...

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  14. Using the listed [DeltaG(f)^(@) values] calculate DeltaG^(@) for the r...

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  15. From the following DeltaH^(@) and DeltaS^(@) values, predict which of ...

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  16. Calculate DeltaH(f)^(@) for Ubr(4) from the DeltaG^(@) of reaction and...

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  17. The entropies of H(2) (g) and H (g) are 130.6 and 114.6 J mol^(-1)K^(-...

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  18. Consider the DeltaG(f)^(@) and DeltaH(f)^(@) (kJ//mol) for the followi...

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  19. which of the folowing statement is correct?

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

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