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In a reaction DeltaG and DeltaH both are...

In a reaction `DeltaG` and `DeltaH` both are positive. The reaction would not be spontaneous if :

A

`DeltaHgtTDeltaS`

B

`DeltaS=(DeltaH)/T`

C

`DeltaH=TDeltaS`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaG=+ve` or zero in each case.
`DeltaG=DeltaH-TDeltaS`
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P BAHADUR-THERMODYNAMICS-Exercise
  1. 100mL of a liquid is contained in an insulated container at a pressure...

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  2. In which of the following cases entropy decreases?

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  3. In a reaction DeltaG and DeltaH both are positive. The reaction would ...

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  4. Temperature of 1mol of a gas is increased by 1^(@) at constant pressur...

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  5. When a gas is subjected to adiabatic expansion, it gets cooled due to ...

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  6. During isothermal expansion of an ideal gas, its:

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  7. Change in entropy is negative for

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  8. The DeltaG in the process of melting of ice at -15^@C is :

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  9. A boiled egg show a//an…… in entropy.

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  10. For the adiabatic expansion of an ideal gas:

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  11. The occurrence of a reaction of impossible if

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  12. Which statements is correct?

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  13. An ideal gas undergoing expansion in vacuum shows:

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  14. Human body is an example of:

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  15. 1 mole of gas occupying 3 litre volume is expanded against a constant ...

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  16. The latent heat of vapourisation of a liquid at 500K and 1atm pressure...

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  17. One mole of ice is converted into water at 273K. The entropies of H2O(...

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  18. A carnot engine operates between temperatures T and 400K(Tgt400K). If ...

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  19. The molar heat capacity for a gas at constant T and P is

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  20. The work done in an open vessel at 300K, when 112g iron reacts with di...

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