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Consider the following reaction : CO((...

Consider the following reaction :
`CO_((g)) + 2H_(2(g)) hArr CH_(3)OH_((g))`
Given : `Delta_(r) H^(@) (CH_(3)OOH, g) = -201 kJ/mol, Delta_(r) H^(@) (CO, g) = -114 kJ/mol`
`S^(@) (CH_(3)OOH, g) = 240 J/K-mol , S^(@) (H_(2), g) = 29 JK^(-1)mol^(-1)`
`S^(@) (CO, g) = 198 J/mol-K , C^(@)_(p,m) (H_(2)) = 28.8 J/mol-K`
`C^(@)_(p,m) (CO) = 29.4 J/mol-K , C^(@)_(p,m) (CH_(3)OH) = 44 J/mol-K`
and `ln ((320)/(300)) = 0.06`, all data at 300 K
`Delta_(r) H^(@)` at 300 K for the reaction is :

A

`-87` kJ/mol

B

87 kJ/mol

C

`-315` kJ/mol

D

`-288` kJ/mol

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta_(r )H=-201+114=-87`
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