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K(p) for the reaction N(2)(g)+3H(2)(g)...

`K_(p)` for the reaction
`N_(2)(g)+3H_(2)(g)hArr2NH_(3)(g)` at `400^(2)C` is `1.64xx10^(-4)`
a. Calculate `K_(c)`d
b. Calculate `DeltaG^(@)` value of `K_(c)` value.

Text Solution

Verified by Experts

a. `K_(p)` for the reaction
`N_(2)(g)+3H_(2)(g)hArr2NH_(3)(g)`
is `1.64xx10^(-4)`
`K_(p)=K_(c)[RT]^(Deltan)`
Here `Delta=2-4=-2`
`:.K_(p)=K_(c)[RT]^(-2)`
`K_(c)=1.64xx10^(-4)xx(0.0831xx673)^(2)`
`=0.5129.5`
b. `DeltaG^(@)=-2.303RTlogK_(c)`
`=-2.303xx0.0831xx673 log 0.5129.5`
`=3873J`
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