What coefficient should be included with the Oxygen molecule (O2)? * 2 points
Al + O₂ → Al₂O3
no coefficient needed
O 2
3

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

wher is the rest of the question