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Question

For the following systems at equilibrium C: CaCO3(s) ⇌ CaO(S) + CO2(g) ΔH = +198 kJ/mol D: PCl3(g) + Cl2(g) ⇌ PCl5(g) ΔH = -88kJ/mol classify these changes by their effect. Drag the appropriate items to their respective bins.