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The reaction: NH(2)CN(s) +(3)/(2)O(2)(...

The reaction:
`NH_(2)CN(s) +(3)/(2)O_(2)(g)rarr N_(2)(g) +CO_(2)(g) +H_(2)O(l)`
Was carried out in a bomb caloriemeter. The heat released was `743 kJ mol^(-1)`. The value of `DeltaH_(300K)` for this reaction would be

Text Solution

Verified by Experts

`DeltaH=DeltaU+DeltanRT` `( :'n=2-(3)/(2)=(1)/(2)=0.5)`
`DeltaH=-742.7+0.5xx8.314xx10^(-3)xx298`
`=-741.45kJ mol^(-1)`
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