Quiz6

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University of California, Berkeley**We aren't endorsed by this school
Course
CHEM 112B
Subject
Chemistry
Date
Dec 16, 2024
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1
Uploaded by GeneralMask20084
June 27 2002 CHEM 210 Name: }/{e 31 = Quiz 6 1. Disulfur dichloride, S,Cly, is used to vulcanize rubber. It can be made by treating molten sulfur with gaseous chlorine. Starting with a mixture of 32.0 g of sulfur and 71.0 g of Cl,, which is the limiting reactant? What mass of S,Cl, can be produced?f/What mass of excess reactant remains ~lC (‘when the limiting reactant is consumed? e & g 4 Clz(g) —4 SQC 5) (Cl 32.04 Sgx [ml 55 - Zo el e o, 2 025 wmols = 2.5%. 5-} = 8 ;’ ?O?/y, v Cly O 1Bs il San [l BES o B saCe (67’{3_ Sycl] /mols Sg | mol $2¢ [ Q. .cl ),00 mo{.S C(Z.K W—E—){M :l-?‘/g S‘zClz, Y mals Cl /mol Sacle 2. Like many metal, aluminum reacts with a halogen to give a metal halide. What quantity of Bry, in grams, is required for complete reaction with 2.56 g of Al? What mass of Al,Brs 1s expected? 2 AI(S) = 53 sz(l) —> AlzBr6<S> m limi 7‘/"} reactaat, A s¢cg Alx | mel Al - = 0.095 mols 26-9¢ ¢ M g.on5 nb Alx 1ol #oBc suzis My jse, 2,\10(5 /4’{ -/;qa( /4/2 B/‘G A'{z,@/'; X 3/‘(0‘5 Er, - /S"?.?}BI‘; A mols 4 Jrmsl Brs 3. Balance the following equations: @) CT(S) She Og(g) —> Cf203(S) YCr+ (o = 2C1 03 o CusS(s) + Ox(g) > Cu(s) + SOx(g) CusS + Oa = 2Cw + §SOq o CeH:CH:(l) + Ox(g) > HO() + COx(g) C il & 90, ) FCO, + TH© o.0q9s mds Al = 22.3¢ 80,
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