For the reaction, CaCO₃(s) → CaO(s) + CO₂(g) S° (J/mol K) 88.70 39.75 213.6 What is ΔS°rxn? A) 262.5 J/mol ∙ K B) -85.1 J/mol ∙ K C) -164.7 J/mol ∙ K D) 164.7 J/mol ∙ K E) 85.1 J/mol ∙ K

Question

Quizplus · Accepted Answer

ΔS°rxn = S°(products) - S°(reactants)= [S°(CaO) + S°(CO2)] - [S°(CaCO3)]= [(39.75 J/mol K) + (213.6 J/mol K)] - (88.70 J/mol K)= 164.7 J/mol K

For the Reaction, CaCO3(s) → CaO(s) + CO2(g) S° (J/mol

For the Reaction, CaCO₃(s) → CaO(s) + CO₂(g) S° (J/mol