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Which of the following reactions is NOT spontaneous at standard state? 2Al(s) +

ID: 929238 • Letter: W

Question

Which of the following reactions is NOT spontaneous at standard state?

2Al(s) + 3/2O2(g) = Al2O3(s)

Carbon (graphite) + O2(g) = CO2(g)

Ca(s) + H2O(l) = Ca(OH)2(aq) + ½H2(g)

Any reaction with a negative G value for the reaction.

All the reactions listed above are spontaneous at standard state.

2Al(s) + 3/2O2(g) = Al2O3(s)

Carbon (graphite) + O2(g) = CO2(g)

Ca(s) + H2O(l) = Ca(OH)2(aq) + ½H2(g)

Any reaction with a negative G value for the reaction.

All the reactions listed above are spontaneous at standard state.

Explanation / Answer

Any reaction with a negative G value for the reaction.

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