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Given at 300 K NH(3)(g)hArr(1)/(2)N(2)...

Given at 300 K
`NH_(3)(g)hArr(1)/(2)N_(2)(g)+(3)/(2)H_(2)(g)`,
`Delta_(r)H^(@)=193.27kJmol^(-1)`
The value of `Delta_(r)U` for this reaction would be :

A

190.78 kJ`mol^(-1)`

B

19.576 kJ`mol^(-1)`

C

188.29 kJ`mol^(-1)`

D

198.27 kJ`mol^(-1)`

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The correct Answer is:
A
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