Question

CHEM 100 Meme Avery Meniken DUE Thurs Nox lor Fri Nov 22 Show work with all units, and how your answer (with correct significant figures and its How many MOLES of As) are needed to produce 105 g of Cu in the equation 3CuSO ) +2Al() → C(s) + Al(SO4) () moles A1 hele? Given 10.5gCix ZAL 2. What mass (in grams) of No, is produced when 459 g HNO reacts according to the following balanced equation Cu(e) + 4HNO. ) → Cu(NO)(aq) + 2H00) + 2NO(g) Given 45.99 of HNO3 -4HNO3 4-4-4.04 4-N 56.04 4.0 -192 2.08 45.99HNOS و نگام مواد 3. What type of reaction is shown in the previous problem? a) Acid-Baseb) Precipitation c) Oxidation-reduction (Redox) 4. What is the limiting reactant, theoretical yield, and % yield of iron metal (in kg) if 76.0 kg of FeO, reacts with 22.1 kg of carbon to produce 42.3 kg Fe according to the following reaction: 2Fe2O3(s) + 3C($) — 4Fe(s) + 3C0 (8) Limiting Reactant Theor. Yield % Yield

Answer 1

Quien lleach 364 soyloq) + 2A115) 3 Ceris) + Alle (sou) z lag liven mans of tu = 105g ii Mob quus 105963.5mm 0.166 mal : Algear" . 3 mole of the ei formed ley 2 mole of Al ...0.166 mal of he ei formed ley (2 240.166) male of AS 10.1108 mal of Aplz @ livenreached Reduction Cuis) + utrozleg 1 0, (NO3)2 (aq) +$ 4018) +21197 may of HNO3 = 45gg evidenog a Mole of HNO3 = US9 g = 0.729 mal 639/mo Icece" umole of two give male of No .: 8.729 and of Knog give 2x0.729 mole of No2 =10 365 mol of No 2] © As show in above ausen git es budox elearn @ Cliven secae" i 2Fe2O3(s+36(S) - 4 fels) + 3 Con (g) Mass of Fez 03= 76 kg Maisy Carlona 220kg .: Mele iſ Fer03 = 76X169 47 475.9 mal tale of Conlon = 221 X 108 159.78 /mel Mass of Fe = 42.3kg 318417onced i Mole Ife = 4203X10%g = 758.07 mod 72g/mol

Alreach & mole of Feroz react with smole of Colonies . &7509 male offer og react with 3x47529nal of Gilean = 713-85 mol of Cochon <1841.7onal Solfer og et limiting reagent 2 (We have) Thorhal yield of fe = 2x nada a 2x 47509mal 2 951-8 mal Theoretical yield Maris ffe - 95168 malx 558 Tried =153•12ką] % gielda Acteral xio 42.3kg. Teweh com 330126 17 yield = 79.7%)