For the reaction MgSO₃(s)→ MgO(s)+ SO₂(g),which is spontaneous only at high temperatures,one would predict that

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For a reaction that is spontaneous only at high temperatures, it implies that the enthalpy change (ΔH) must be positive, requiring energy input, and the entropy change (ΔS) must be positive, indicating an increase in disorder. This combination allows the reaction to become spontaneous at high temperatures due to the TΔS term in the Gibbs free energy equation (ΔG = ΔH - TΔS) becoming large enough to overcome the positive ΔH.

For the Reaction MgSO3(s)→ MgO(s)+ SO2(g),which Is Spontaneous Only at High

For the Reaction MgSO₃(s)→ MgO(s)+ SO₂(g),which Is Spontaneous Only at High