In the reaction 2Al(s)+ 6 HCl(aq)= 2AlCl3(aq)+3H2(g) If 37.0 moles of Al are reacted with excess HCl and 12.5 moles of H2 are formed, what is the percent yield of the reaction?

Nonpoint source pollution is difficult to control because it

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.