How many grams of oxygen are required to react with 20.0 grams of octane in the combustion of octane in gasoline?

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.