What evidence is there for continental drifft?

What is the chemical formula of the following compound

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure