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Standard heat of formation at 298K is ar...

Standard heat of formation at `298K` is arbitraily taken to be zero for

A

Liquid bromine

B

Gaseous bromine atoms

C

Gaseous bromine molecules

D

Solid bromine

Text Solution

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Liquid bromine `[Br_(2)(l)]` is standard state of bromine.
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CENGAGE CHEMISTRY-THERMODYNAMICS-Archives (Subjective)
  1. Standard heat of formation at 298K is arbitraily taken to be zero for

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  2. The enthalpies for the following reactions (DeltaH^(Theta)) at 25^(@)C...

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  3. The standared enthalpies of formation at 298K for C C1(g), H(2)O(g), C...

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  4. Given that: i. C(s) + O(2)(g) rarr CO(2)(g) , DeltaH =- 94.05 kcal ...

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  5. The following statements is true only under some specific conditions. ...

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  6. The bond dissociation energies of gaseous H(2),C1(2), and HC1 are 100,...

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  7. The standard molar heats of formation of ethane, carbon dioxide, and l...

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  8. An intimate mixture of ferric oxide and aluminium is used as solid fue...

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  9. The standard ethelpy of combustion at 25^(@)C of hydrogen, cyclohexene...

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  10. Using the data ( all vaues in kcal mol^(-1) at 25^(@)C) given below, c...

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  11. Determine enthalpy change for, C(3)H(8(g))+H(2(g))rarr C(2)H(6(g))+C...

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  12. Compute the heat of formation of liquie methyl alcohol is kilojoule pe...

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  13. From the following data, calculate the enthalpy change for the combust...

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  14. The standard heat of formation values of SF(6)(g), S(g), and F(g) are ...

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  15. Show that the reaction CO(g) +(1//2)O(2)(g) rarr CO(2)(g) at 300K ...

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  16. A sample of argon gas at 1atm pressure and 27^(@)C expands reversibly ...

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  17. Diborane is a potential rocket fuel that undergoes combustion accordin...

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  18. The standard potential of the following cell is 0.23V at 15^(@)C and 0...

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  19. When 1pentyne (A) is treated with 4N alcoholic KOH at 175^(@)C, it is ...

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  20. Two moles of a perfect gas undergo the following processes: a. A rev...

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  21. C(v) values of He is always (3R)/(2) but C(v) values of H(2) is (3R)/(...

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