Draw diagram of ∆G vs. T for the following reactions:
4Cu (s) + O2(g) = Cu2O(s) ∆G
= – 338900 14.2T lnT + 247 T Joule
4Cu (l) + O2(g) = Cu2O(s) ∆G = – 390800 14.2T lnT + 285.3 T Joule
Calculate the melting point of the copper from ∆G vs. T plot.
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