Which of the following reactions is spontaneous? Select one: a. CaCO3 (s) ? CaO (s) + CO2 (g) ?G ° = +131.1 kJ b. H2SO4 (l) ? SO3 (g) + H2O (g) ?G ° = +90.5 kJ c. H2 (g) + CO (g) ? CH2O (g) ?G ° = +121.1 kJ d. 2 N2O (g) ? 2N2 (g) + O2 (g) ?G ° = -207.4 kJ
Added by Dana P.
Step 1
Looking at the given reactions and their ΔG° values: a. CaCO3 (s) → CaO (s) + CO2 (g) ΔG° = +131.1 kJ (not spontaneous) b. H2SO4 (l) → SO3 (g) + H2O (g) ΔG° = +90.5 kJ (not spontaneous) Show more…
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