If enough H2O is reacted to produce 3.40 moles of H2, then how may moles of O2 must have been made?

2b2t

explanation:

2b2t

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.

the answer is barium and copper bromide

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock