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The sign of DeltaG for the process of me...

The sign of `DeltaG` for the process of melting of ice at `273K` and `1` atm pressure is

A

positive

B

negative

C

neither positive nor negative

D

either positive or negative

Text Solution

Verified by Experts

The correct Answer is:
C
Refer Gibbs energy.
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MARVEL PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS-MULTIPLE CHOICE QUESTIONS (Gibbs Free Energy)
  1. Mathematically, Gibb's free energy (G) is defined by the following rel...

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  2. Gibbs-Helmholtz equation is………….. .

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  3. The sign of DeltaG for the process of melting of ice at 273K and 1 atm...

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  4. For a reaction R(1), DeltaG = xkJ//mol. For a reaction R(2), Delta G =...

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  5. Which of the following is not a state function

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  6. Delta G for the reaction Ag(2)O rarr 2Ag +(1)/(2) O(2) at a certain te...

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  7. The free energy change for a reversible reaction at equilibrium is

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  8. The occurrence of a reaction is impossible if

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  9. For a reaction to be spontaneous at all temperatures

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  10. For which of these reactions will there be Delta S positive?

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  11. Free enegry , G = H - TS, is state function that indicates whther a re...

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  12. Which of the following is true fo the reacion H(2)O(l)hArr H(2)O(g) at...

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  13. For a system in equilibrium, DeltaG=0, under conditions of constant

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  14. Since the enthalpy of elements in their natural state is taken to be z...

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  15. At constant T and P which of the following statement is correct for th...

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  16. A chemical reaction will be spontaneous if it is accompanied by a decr...

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  17. The standard Gibb's free energy change, DeltaG^(@) is related to equil...

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  18. Mark the correct statement.

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  19. One mole ofan ideal gas is allowed to expand freely and adiabatically ...

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  20. According to the second law of thermodynamics, a process (reaction) is...

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