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For a gaseous reaction, A(g) +3B(g) to 3...

For a gaseous reaction, `A(g) +3B(g) to 3C(g) +3D(g) triangleE` is 17 Kcal at `27^(@)C`. Asuming `R="2 cal K"^(-1)" mol"^(-1)` the value of `triangleH` for the above reaction is

A

15.8 Kcal

B

18.2 Kcal

C

20.0 Kcal

D

16.4 Kcal

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. Under which of the following condition is the relation DeltaH = DeltaU...

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  2. The difference between the heats of reaction at constant pressure and ...

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  3. For a gaseous reaction, A(g) +3B(g) to 3C(g) +3D(g) triangleE is 17 Kc...

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  4. For the reaction CO(g)+(1)/(2)O(2)(g)rarr CO(2)(g) Which one of the ...

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  5. For the reaction Ag(2)O(s)rarr 2Ag(s)+1//2O(2)(g), which one of the fo...

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  6. A mixture of 2 mole of CO and 1 mol of O(2) is ignited. Correct relati...

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  7. For the gaseous reaction involving the complete combustion of iso-buta...

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  8. For the reversible isothermal expansion of one mole of an ideal gas at...

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  9. For CaCO(3)(s) to CaO(s)+CO(2)(g)" at " 977^(@)C, triangleH= "174kJ/mo...

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  10. Heat of reaction for, CO(g)+1//2O(2)(g)rarr CO(2)(g) at constant V is ...

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  11. The reaction: NH(2)CN(s) +(3)/(2)O(2)(g)rarr N(2)(g) +CO(2)(g) +H(2)...

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  12. Theenthalpy of vapourisation of water at 100^(@)C" is 40.63 kJ mol"^(-...

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  13. The difference in Delta H and Delta E for the combustion of methane at...

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  14. For the system S (s) + O(2)(g) rarr SO(2)(g) ?

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  15. For the reaction CO(g)+(1)/(2)O(2)(g)rarr CO(2)(g) Which one of the ...

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  16. Which is true for the combustion of sucrose (C(12)H(22)O(11)) at 25^(@...

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  17. Identify the reaction for which Delta H != Delta E

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  18. The heat of combustion of ethanol determined in a bomb calorimeter is ...

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  19. The difference in Delta H and Delta E for the combustion of methane at...

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  20. Which of the following reactions is Delta H less than Delta E ?

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