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Find out the value of K(c ) for each of ...

Find out the value of `K_(c )` for each of the following equilibrium from the value of `K_(p)`:
a. `2NOCl(g) hArr 2NO(g)+Cl_(2)(g), K_(p)=1.8xx10^(-2)` at `500 K`
b. `CaCO_(3)(s) hArr CaO(s)+CO_(2)(g), K_(p)=167` at `1073 K`

Text Solution

Verified by Experts

(a)`Deltan_(g) = 3 - 2 = 1,K_(p) = K_(c)(RT) or K_(c) = K_(p)/RT = 1.8 xx 10^(-2)/(0.0831 xx 500)`
`(R = 0.0831" bar "litre mol^(-1))`
`= 4.33 xx 10^(-4)`
(b)`Deltan_(g) = 1 - 0 = 1, K_(c) = K_(p)/RT = 167/(0.0831 xx 1073) = 1.87`
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