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The heat of formation of HCl (g) from th...

The heat of formation of HCl (g) from the reaction
`H_(2)(g)+Cl_(2)(g)=2HCl(g),DeltaH=-44kcal` is

A

`+44 kcal`

B

`-44 kcal`

C

`+22 kcal`

D

`-22 kcal`

Text Solution

Verified by Experts

The correct Answer is:
D
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RC MUKHERJEE-CHEMICAL THERMODYNAMICS-Objective problems
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  2. Given N(2)(g)+3H(2)(g)=2NH(3)(g),DeltaH^(@)=-22 kcal. The standard e...

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  3. If H(2)(g)=2H(g),DeltaH=104cal , then heat of atomisation of hydrogen ...

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  4. Heats of combustion of CH(4),C(2)H(4), C(2)H(6) are -890, -1411 and -1...

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  5. 2.1g of Fe combines with S evolving 3.77KJ . The heat of formation of...

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  6. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

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  7. {:[(H(2)(g)+(1)/(2)O(2)(g)=H(2)O(g),DeltaH=-241.8kJ),(CO(g)+(1)/(2)O(2...

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  8. {:[(H(2)(g)+(1)/(2)O(2)(g)=H(2)O(g),DeltaH=-241.8kJ),(C(2)H(2)(g)+2(1)...

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  9. Heat of neutralisation of a strong dibasic acid in dilute solution by ...

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  10. The temperature of a 5mL of strong acid increases by 5^(@) when 5 mL o...

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  11. Heat of neutralisation of a strong acid by a strong base is equal to D...

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  12. In which case of mixing of a strong acid and a base each of 1N concent...

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  13. The heat of neutralisation of HCl by NaOH is -55.9 kJ//"mole". If the ...

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  14. The dissociation energy of CH(4) and C(2)H(6) are respectively 360 and...

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  15. In which of the following cases entropy decreases?

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  16. In which of the following reactions DeltaS is positive?

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  17. The Delta G in the process of melting of Ice at -15^(@) C is

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  18. In a reaction , DeltaH and DeltaS both are more than zeron. In which o...

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  19. In which case is a reaction possible at any temperature ?

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  20. In which case is a reaction impossible at any temperature ?

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