A) R + S
B) R - S
C) \[R\times S\]
D) S - R
Correct Answer: B
Solution :
\[C(g)+{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g)\] \[\Delta H=R\] ... (i) \[CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g);\] \[\Delta H=S\] ... (ii) We aim at \[C(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}CO(g)\] \[\Delta H=?\] Subtracting Eq. (ii) from Eq. (i), and \[\Delta H=R-S\]You need to login to perform this action.
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