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Which of the following represents standa...

Which of the following represents standard heat of formation of water?

A

`2 H _(2) (g) + O _(2) (g) to 2 H _(2) O (l) , Delta H = 2x J`

B

`H _(2) (g) +1/2 O_(2) (g) to H _(2) O (l) , Delta H = xJ`

C

`H _(2) (g) + O (g) to H _(2) O(l), Delta H = yJ`

D

`CH _(4) (g) + 2O _(2) (g) to CO _(2) (g) + 2 H _(2) O (l) , Delta H= zJ`

Text Solution

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BRILLIANT PUBLICATION-THERMODYNAMICS AND CHEMICAL ENERGETICS - (LEVEL-II (HOMEWORK)
  1. Which of the following represents standard heat of formation of water?

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  2. Which of the following is an intensive property

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  3. Which one of the following equations correctly represent the first law...

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  4. A6L cylinder contains 10 mol oxygen gas at 27^(@)C. If the whole gas e...

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  5. The work done on the system when one mole of an ideal gas is compresse...

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  6. Agas is allowed to expand in a well-insulated container against a cons...

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  7. 64 g of oxygen (assume ideal behaviour) at 27^(@)C undergoes reversibl...

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  8. The difference of heat of reaction at constant pressure and at constan...

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  9. Delta H (f) ^(0) values of NH (2) - OH ((s)), NH (3 (g)), N (2) H (4 ...

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  10. A cylinder of cooking gas is assumed to contain 14.2 kg butane (C(4)H(...

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  11. H (2 ) + 1/2 O (2) to H (2) O, Delta H =- 68 kcal K + H (2) O + aq t...

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  12. The standard enthalpies of combustion of C(2) H(5) (g) and ethanol are...

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  13. Delta H (f) ^(0) of H (2) O , CO (2) and sucrose (C(12)H(22)O(11)) are...

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  14. When 0.2 g of 1-butanol was burnt in a suitable apparatus, the heat ev...

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  15. The specific heat at constant volume and constant pressure for a gas a...

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  16. One mole of an ideal gas is allowed to expand reversibly and adiabatic...

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  17. 1.22 g of benzoic acid on combustion in a Bomb calorimeter was found t...

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  18. 200 ml 0.1 M H(2) SO(4) is mixed with 200 ml 0.2 M NaOH. The heat gen...

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  19. In experiment I 200 ml 0.1 M NaOH is mixed with 100 ml 0.1 M H(2) SO(...

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  20. The enthalpies of solution for copper sulphate pentahydrate and anhydr...

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  21. Enthalpy of vaporisation of benzene is 30.8 kJ mol" at its normal boil...

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