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Calculate ΔH°R for the reaction Mg(s) + 2H2O(l) → Mg(OH)2(s)+H2(g) at 350. K. Assume Cp,m does...

Calculate ΔH°R for the reaction Mg(s) + 2H2O(l) → Mg(OH)2(s)+H2(g) at 350. K. Assume Cp,m does not change with Temperature. How much did ΔH°R change from 298.15K to 350. K?

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