Chemistry, 26.10.2019 11:43 Kathryn014
For the following reaction, 4.31 grams of iron are mixed with excess oxygen gas . the reaction yields 5.17 grams of iron(ii) oxide . iron ( s ) + oxygen ( g ) iron(ii) oxide ( s ) what is the theoretical yield of iron(ii) oxide ? 21.6 grams what is the percent yield for this reaction ? 85 %
Answers: 1
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
For the following reaction, 4.31 grams of iron are mixed with excess oxygen gas . the reaction yield...
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