Inorganic Chemistry Answers

if the mineral pyrite,FeS2 is heated strongly in air,iron oxide and sulphur dioxide are produced what mass of iron oxide and sulphur dioxide could be made by heating 1 tonne pf an ore which contains 50% by mass of pyrite? 4FeS2+11O2----2Fe2O3+8SO2

a hydrocarbon contains 82.7% C and 17,24% H by mass. 1 mole of hydrocarbon weighed 58g. find the molecular formula of the hydrocarbon

a cylinder of bottled gas contains 47 kg of propane, C3H8. how many propane molecules does it contain

how many carbon atoms are there in 50kg sake of coke (assume that coke is pure carbon)

2.67g of alumininium choloride was dissloved in water and an excess of silver nitrate solution was added to give a perecipitate of silver chloride AlCl3+3AgNo3---Al(NO3)3+3AgCl3 what mass os silver choride precipitate would be formed?

an organic compound contains 66.7% C, 11.1% H and had a remainder is oxygen. it relative formula mass was 72. find the empirical formula of the compound and the molecular formula of the compound

what are some advantages of solar energy source

You are provided with a set of different ligands of the PR3 type and a large supply of (CO)5W(thf) with which to make a series of complexes in the form (CO)5W(PR3) by substitution of thf with PR3 how would you estimate the relative ordering of the electron donor power of the different PR3 ligands

calculate the mass of butane needed to produce 53.9 grams of carbon dioxide

Identify the element being oxidized and the element being reduced in the following reaction: P4(s)+5O2(g)->P4O10(s)