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Estimate the standard free-energy change


1. Estimate the standard free-energy change at the 25°C for the following reaction. Use standard electrode potentials.

4 Al(s) + 3 O2(g) +12 H+(aq) https://www.webassign.net/images/rtarrow.gif 4Al3+(aq) + 6 H2O(l)

2. Estimate the standard emf of the following cell at 25°C.

Sn(s) | Sn2+(aq) ||Cu2+(aq) | Cu(s)

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Chemistry: Estimate the standard free-energy change
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