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The heat of formation of HCl at 348 K fr...

The heat of formation of HCl at 348 K from the following data will be :
`0.5H_(2)(g)+0.5Cl_(2)(g)toHCl " "DeltaH_(298)^(@)=-22060` cal. The mean heat capacities over this temperature range are,
`H_(2)(g)," " C_(p)=6.82 " cal" " mol"^(-1)K^(-1)`
`Cl_(2)(g)," " C_(p)=7.71 " cal" " mol"^(-1)K^(-1)`
`HCl(g)," " C_(p)=6.81 " cal" " mol"^(-1)K^(-1)`

A

`-20095` cal

B

`-32758` cal

C

`-37725` cal

D

`-22083` cal

Text Solution

Verified by Experts

The correct Answer is:
D
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