`(Delta H - Delta U)` for the formation of carbon monoxide `(CO)` from its elements at `298K` is `(R = 8.314 K^(-1)mol^(-1))`A. `-1238.78 J mol^(-1)`B. `1238.78 J mol^(-1)`C. `-2477.57J mol^(-1)`D. `2477.57J mol^(-1)`

`(Delta H - Delta U)` for the formation of carbon monoxide `(CO)` from

1.	`(Delta H - Delta U)` for the formation of carbon monoxide `(CO)` from its elements at `298K` is `(R = 8.314 K^(-1)mol^(-1))`A. `-1238.78 J mol^(-1)`B. `1238.78 J mol^(-1)`C. `-2477.57J mol^(-1)`D. `2477.57J mol^(-1)`
Answer» `C (s) +(1)/(2)O_(2) (g) rarr CO(g)` `DeltaH - DeltaU = DeltanRT` `= (1)/(2) xx 8.314 xx 298 = 1238.78 mol^(-1)`

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`(Delta H - Delta U)` for the formation of carbon monoxide `(CO)` from its elements at `298K` is `(R = 8.314 K^(-1)mol^(-1))`A. `-1238.78 J mol^(-1)`B. `1238.78 J mol^(-1)`C. `-2477.57J mol^(-1)`D. `2477.57J mol^(-1)`

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