Stoichiometry Practice (balance the equation and answer questions a-c) 1. _Fe +_02 ---> _Fe2O3

a) How many moles of iron would be needed to react with 3.82 moles of oxygen?

b) How many molecules of iron (III) oxide can be produced from 13.5 moles Fe?

c) How many moles of O2 are needed to produce 34.7 g of Fe,0,?

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.