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The standard absolute entropy of a subst...

The standard absolute entropy of a substance, `(S^(Theta))` is the entropy of the substance in its standard state at `1` atm, temperature being

A

`0K`

B

`298K`

C

`398K`

D

`273 K`

Text Solution

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`298 K`
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CENGAGE CHEMISTRY-THERMODYNAMICS-Exercises (Subjective)
  1. Which one of the following is a state property/function?

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  2. The heat of combustion of H(2)(g) at constant pressure and 300k is -28...

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  3. The standard absolute entropy of a substance, (S^(Theta)) is the entro...

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

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

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

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

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

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

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

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  11. What is the physical significance of free enegry?

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

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

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

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

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

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

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

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

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

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