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For the chemical equilibrium ( CaCO ₃( ~s ) CaO ( s )+ CO ₂( ~g ) H ^ ) can be determined from which one of the following graphs?

Correct answer

0

Step-by-step solution

Reaction: ( CaCO ₃(s) CaO (s)+ CO ₂(g) ) Equilibrium constant: (K_p=P_ C O₂ ) From van't Hoff equation: ( K=- H^ R 1 T +C ) So, ( P_ CO ₂ vs 1 T is a straight line with slope - H^ R ) Or equivalently, ( P_ CO ₂ vs 1 T ) must be a straight line with negative slope.

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