Aluminum oxide decomposes to aluminum and oxygen gas by the following reaction. Al2O3(s) ? 2Al(s

Question

Ronald Prasad · Accepted Answer

Step 1: The reaction is endothermic because the given ΔH value is positive.

Aluminum oxide decomposes to aluminum and oxygen gas by the following reaction. Al2O3(s) ? 2Al(s) + 3/2 O2(g) ? Hrxn = 1676 kJ Is this reaction endothermic or exothermic? If 1.049 moles of aluminum was formed by the reaction, how much heat (kJ) would be involved?