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Which of the following equations express...

Which of the following equations express `DeltaH` as heat of combustion ?

A

`H_(2)(g)+I_(2)to2HI(g)`

B

`CaCO_(3)(s)toCaO(s)+CO_(2)(g)`

C

`CH_(4)(g)+2O_(2)(g)toCO_(2)(g)+2H_(2)O(l)`

D

`2KCIO_(3)(s)to2KCI(s)+3O_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
C
According to definition of heat of combustion.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
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  7. Enthalpy of neutralisation of NH(4)OH and HCl is numerically

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  9. The heat of combustion of CH(4(g)), C((g)) and H(2(g)) at 25^(@)C are ...

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  10. One mole of ice is converted into water at 273 K. The entropies of H(2...

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  11. The equilibrium constant for a reaction is 10. What will be the value ...

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  14. Given that the data for neutralization of weak acid (HA) and strong ac...

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  17. Given Delta(i)H^(Theta)(HCN) = 45.2 kJ mol^(-1) and Delta(i)H^(Theta)(...

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