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For a spontaneous process, which of the ...

For a spontaneous process, which of the following is always true?

A

`DeltaG gt 0`

B

`Delta_("total")S lt 0`

C

`T DeltaS gt 0`

D

`DeltaG lt 0`

Text Solution

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`DeltaG lt 0` is always true for spontaneous process.
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CENGAGE CHEMISTRY-THERMODYNAMICS-Exercises (Subjective)
  1. The standard absolute entropy of a substance, (S^(Theta)) is the entro...

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  2. If the enthalpy of combustion of diamond and graphite are -395.4 kJ mo...

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  3. For a spontaneous process, which of the following is always true?

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  4. H(2)(g) +(1)/(2)O(2)(g) rarr H(2)O(g) DeltaH =- 242 kJ mol^(-1) Bond...

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  5. Which one of the following has the same value as Delta(f)H^(Theta), CO...

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  6. For which of the following processes is DeltaS negative?

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  7. Predict DeltaH gt DeltaU or DeltaH lt DeltaU. a. C("graphite") +O(2)...

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  8. What is significance of T DeltaS in DeltaG = DeltaH - T DeltaS?

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  9. What is the physical significance of free enegry?

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  10. How does T DeltaS determine the spontaneity of process?

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  11. N(2)(g) +3H(2)(g) rarr 2NH(3): DeltaH =- 92 kJ is Haber's process for...

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  12. The energy released in the neutralisation of H(2)SO(4) and KOH is 59.1...

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  13. CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O(l), DeltaH =- 890 kJ what i...

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  14. H(2)(g) +CI(2)(g) rarr 2HCI(g) +185 kJ. State whether this reaction is...

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  15. The heat of neutralization of a strong acid by a strong base is a cons...

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  16. Explain why heat of neutralisation of strong acid and weak base is les...

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  17. Find the enthalpy of formation of hydrogen flouride on the basis of fo...

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  18. Calculate DeltaH for the reaction H(2)(g)+1//2O(2)(g)toH(2)O(g) gi...

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  19. Calculate the resonance enegry of NO(2) ( :O-N=O: ) The measured ent...

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  20. Boiling point of an organic compound is 310K. Its enthalpy of vaporisa...

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