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The enthalpies of formation of N2O and N...

The enthalpies of formation of `N_2O` and NO are 28 and `90 kJ mol^-1` respectively. The enthalpy of the reactioin, `2N_2O(g)+O_2(g)rarr4NO(g) `is equal to:

A

8 kJ

B

88 kJ

C

`-16 kJ`

D

304 kJ

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The correct Answer is:
D
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