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Standard molar enthalpy of formation of ...

Standard molar enthalpy of formation of `CO_(2)` is equal to

A

zero

B

standard molar enthalpy of combustion

C

the sum of standard molar enthalpies of formation of CO and `O_(2)`

D

the standard molar enthalpy of combustion of carbon (graphite)

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The correct Answer is:
D
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MODERN PUBLICATION-THERMODYNAMICS-Multiple Choice Questions (Level-II)
  1. The dissociation energy of CH(4) and C(2)H(6) are respectively 1508 an...

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  2. Standard heat of formation of CH(4).CO(2) and H(2)O (l) are - 76.2, -3...

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  3. Standard molar enthalpy of formation of CO(2) is equal to

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  4. The enthalpy change in freezing 1 g of water (Delta H "fusion "= 6.0 ...

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  5. For the reaction : C(3)H(8)(g) + 5O(2) rarr 3CO(2)(g) + 4H(2)O(l) a ...

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  6. For a reaction to occur spontaneously

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  7. Which of the following pairs of a chemical reaction is certain to resu...

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  8. The enthalpy and entropy change for the reaction : Br(2)(l) + Cl(2)(...

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  9. Assume each reaction is carried out in an open container. For which re...

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  10. Given that bond energies H-H and Cl-Cl are 430 kJ mol^(-1) and 240 kJ ...

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  11. Sodium chloride is soluble in water not in benzene because

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  12. Calculate the work done when 1 mol of an ideal gas is compressed rever...

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  13. The enthalpy of neutralisation of oxalic acid by a strong base is - 25...

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  14. The heats of atomisation of PH(3)(g) and P(2)H(4)(g) are 954 kJ mol^(-...

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  15. Given that dU = T dS - P dV and H = U + PV. Which one of the following...

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  16. The values of Delta H and Delta S for the reaction. C("graphite") + CO...

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  17. Which of these species has a standard enthalpy of formation equal to z...

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  18. Which of the following is correct option for free expansion of an idea...

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  19. In which of the following reactions, standard reaction entropy change ...

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  20. Standard enthaply of vaporisation Delta(vap)H^(theta) for water at 10...

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