Exam 1 Spring 2010

Naoh aq h2so3 aq na2so3 aq h2o l a c 6 b 22 1 4 d 2

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Unformatted text preview: cid (HNO3) from ammonia (NH3) is shown in the reaction below. 4NH3(g) + 5O2(g) 4 NO(g) + 6H2O(g) How many moles of O2 must react completely to form 68.0 g of NO? A. C. 0.353 mol B. 23. 1.81 mol 2.83 mol D. 85.0 mol What mass of carbon dioxide (CO2) is produced when 5.25 consumed completely in the following reaction? Fe2O3 + 3 CO 2 Fe + 3 CO2 A. 4.83 10 4 g C. 434 g B. 1.45 10 5 g D. 4.34 10 5 g 102 kg of iron (III) oxide is 24. How many moles of H2O are produced when 0.550 mol Al(OH)3 and 0.650 mol H2SO4 react according to the following reaction? 2Al(OH)3(s) + 3H2SO4(aq) Al2(SO4)3(aq) + 6H2O(l) A. C. 1.30 mol B. 25. 2.95 mol 1.65 mol D. 1.08 mol When1.50 grams of sulfur, S8 (l), was reacted with excess chlorine gas, Cl2 (g), according to the following reaction, 2.89 grams of S2Cl2 was obtained. What is the percent yield? (Molar masses: S8 = 256.8 g/mol; Cl2 = 71.0 g/mol; S2Cl2 = 135.2 g/mol) S8 (l) + 4Cl2 (g) 4S2Cl2 (l) A. 3.67% C. 10.9% B. 91.5 % D. 51.9%...
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This document was uploaded on 03/13/2014 for the course CHE 105 at Kentucky.

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