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The heat change accompanying the reactio...

The heat change accompanying the reaction
`2H_(2)(g)+O_(2)(g) to 2H_(2)O(l)` :
`DeltaH= -136kcal` is called

A

heat of combustion of hydrogen

B

heat of reaction

C

heat of formation of water

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Heat of reaction.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. The enthalpy change for the process C("(graphite)") rarr C((g)), Delta...

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  2. HA+OH^(-) to H(2)O+A^(-)+q(1) kJ H^(+)+OH^(-) to H(2)O+ q(2) kJ Th...

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  3. The heat change accompanying the reaction 2H(2)(g)+O(2)(g) to 2H(2)O...

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  4. When a solid melts there is

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  5. One gram-atom of graphite and one gram-atom of diamond were separately...

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  6. The reaction which shows heat of formation of water correctly is

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  7. Heat of formation, Delta H(f)^(@) of an explosive compound like NCl(3)...

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  8. The products of combustion of an aliphatic thiol (RSH) at 298 K are

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  9. For the transition C("(diamond)") rarr C("(graphite)"), DeltaH=-1.5 kJ...

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  10. Which of the following statements is correct?

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  11. The heat liberated in the following reaction H^(+)(aq)+OH^(-)(aq) to...

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  12. For the neutralisation of 1 mol of H(2)SO(4) with 2 mols of NaOH in d...

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  13. Enthalpy of neutralisation of all strong acids strong bases has the sa...

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  14. A solution of 200 mL of 1 M KOH is added to 200 mL of 1 M HCl and the ...

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  15. The heats of neutralisation of four acids a, b, c and d when neutralis...

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  16. Enthalpy of neutralisation of NaOH with H(2)SO(4) is -57.3kJ mol^(-1) ...

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  17. The temperature at which the Joule Thomson coefficient changes sign is...

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  18. In case of an ideal gas, Joule Thomson effect is

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  19. Which of the following gases show a heating effect when allowed to exp...

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  20. When a gas is allowed to expand from a region of extremly high pressur...

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