Question: Using the data in Appendix 3, calculate the standard entropy changes for the following reactions at 25C: (a) S(s) + O2(g) SO2(g) (b) MgCO3(s)

Using the data in Appendix 3, calculate the standard entropy changes for the following reactions at 25°C:
(a) S(s) + O2(g) → SO2(g)
(b) MgCO3(s) → MgO(s) + CO2(g)

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