The thermal dissociation equilibrium of CaCO3(s) is studied under different conditions.CaCO3(s) ⇌ CaO(s) + CO2(g)For this equilibrium, the correct statement(s) is(are)

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Chemistry

Enthalpy Calculation and Meaning

Equilibrium Constant and Mass Action Law

Question

The thermal dissociation equilibrium of CaCO₃(s) is studied under different conditions.

CaCO₃(s) ⇌ CaO(s) + CO₂(g)

For this equilibrium, the correct statement(s) is(are)

K is dependent on the pressure of CO₂ at a given T

ΔH is dependent on T

ΔH is independent of the catalyst, if any

K is independent of the initial amount of CaCO₃

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CaCO₃(s) ⇌ CaO(s) + CO₂(g)

(A) ${ΔH}_{T_{2}} - {ΔH}_{T_{1}} = Δ ({nC}_{p}) dT$

Δ(nC_P) $\neq$ 0

$∴$ [A] is true

(B) B is true since equilibrium constant is not dependent on amount of CaCO₃

(D) True