mirellapyatkovskiy mirellapyatkovskiy 05-06-2023 Chemistry contestada U t3 Given the reaction: 4 Al(s) + 30₂(g) → 2Al₂O3(s) 31 Write the balanced oxidation half-reaction for this oxidation-reduction reaction. 32 What is the oxidation number of oxygen in Al₂O3? -