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Unformatted text preview: - - - - - - - - - - - - - - - -- -- -. - - -124Chapter ThreeStoichiometryIf a containerwere to have 10 moleculesof O2and 10 moleculesof NH3 initially,how many total molecules(reactantsplus prod-ucts) wouldbe presentin the containerafter this reactiongoesto completion?109.Ammoniais producedfrom the reactionof nitrogenand hydro-gen accordingto the followingbalancedequation:Nig)+3Hig) ~2NH3(g)a.What is the maximummass of ammoniathat can be producedfroma mixtureof 1.00 X 103g N2 and 5.00X102g H2?b.What mass of which starting material would remain unreacted?110.Considerthe followingunbalancedequation:Ca3(P04Ms)+H2S04(aq)~CaS04(s)+H3P04(aq)What masses of calciumsulfate and phosphoricacid can be pro-ducedfromthe reactionof 1.0 kg calciumphosphatewith1.0kg concentratedsulfuricacid (98% H2S04by mass)?111. Hydrogencyanideis producedindustriallyfrom the reactionofgaseousammonia,oxygen,and methane:2NH3(g)+302(g)+2CH4(g)~2HCN(g)+6H20(g)If 5.00 X 103kg each ofNH3, O2, and CH4are reacted, what massof HCN and of H20 will be produced,assuming100% yield?112.Acrylonitrile(C3H3N) is the startingmaterialfor many syntheticcarpetsand fabrics.It is producedby the followingreaction.2C3H6(g)+2NH3(g)+302(g)~2C3H3N(g)+6H20(g)If 15.0 g C3H6, 10.0 g O2,and 5.00 g NH3 are reacted,what massof acrylonitrilecan be produced,...
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This note was uploaded on 12/13/2010 for the course CHEM 2301 taught by Professor Bill during the Spring '10 term at South Texas College.

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