A) \[-1238.78\text{ }J\text{ }mo{{l}^{-1}}\]
B) \[1238.78\text{ }J\text{ }mo{{l}^{-1}}\]
C) \[-\text{ }2477.57\text{ }J\text{ }mo{{l}^{-1}}\]
D) \[2477.57\text{ }J\text{ }mo{{l}^{-1}}\]
Correct Answer: B
Solution :
\[C(s)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}CO(g)\] \[\Delta {{n}_{g}}=1-\frac{1}{2}=\frac{1}{2}\] \[\Delta H-\Delta U=\Delta {{n}_{g}}RT=+\frac{1}{2}\times 8.314\times 298\] \[=+1238.78\,J\,mo{{l}^{-1}}\]
You need to login to perform this action.
You will be redirected in
3 sec
