Consider the four plots for the chemical equilibrium, CaCO 3 ( s ) ⇌ CaO ( s ) + CO 2 ( g ) . Which one of them can be used to determine Δ H r o ?

Question

Consider the four plots for the chemical equilibrium, CaCO 3 ​ ( s ) ⇌ CaO ( s ) + CO 2 ​ ( g ) . Which one of them can be used to determine Δ H r o ​ ?

TestHub · Accepted Answer

CaCO 3 ​ ( s ) ⇌ CaO ( s ) + CO 2 ​ ( g ) . K p ​ = P C O 2 ​ ​ ; K = ​ A e − RT Δ H r ∘ ​ ​ . lo g K p ​ = lo g A − 2.303 RT Δ H r ∘ ​ ​ lo g ( P C O 2 ​ ​ ) = lo g A − T 1 ​ × 2.303 R Δ H r ∘ ​ ​ y = c + m x .

Chemistry - Chemical Equilibrium Question with Solution | TestHub

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