A sample of 10.1 g of Fe2O3 reacts with 19.5 g CO to yield Fe and CO2. The balanced chemical equation is Fe2O3(s)+3CO(g)⟶2Fe(s)+3CO2(g)

A sample of 10.1 g of Fe2O3 reacts with 19.5 g CO to yield Fe and CO2. The balanced chemical equation is

Fe2O3(s)+3CO(g)⟶2Fe(s)+3CO2(g)

Which substance is the limiting reactant?

1. What is the theoretical yield of Fe ?

2. If the actual experimental yield for Fe is 6.10 g , what is the percent yield of Fe ?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Ab c or d ? i’m not sure what the answer is