Benzene is a liquid that has long been present in gasoline a…

Benzene is a liquid that has long been present in gasoline as 1% of the fuel despite its toxicity. It makes the fuel burn more smoothly with less engine knock. The balanced equation for the complete combustion of benzene, C6H6, is which of these? HINT: Balance it on paper it before letting these answers confuse you.

Ammonia is prepared by reacting nitrogen and hydrogen gases…

Ammonia is prepared by reacting nitrogen and hydrogen gases at high temperature according to the unbalanced chemical equation below. __ N2(g) + __ H2(g) –> __ NH3(g) What are the respective coefficients when the equation is balanced with the smallest whole numbers?