3 Mg + 1 Fe2O3 + 3 MgO + 2 Fe; What is the ratio of moles of Mgo to moles Fe?
a) 1 mol Fe/ 2 mol Fe
b) 3 mol Mgo / 2 mol Fe
c) 2 mol Mg/ 3 mol Fe
d) 3 mol Mg / 2 mol Fe

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.