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4. The reaction between solid calcium nitride and water produces ammonia and calcium hydroxide. Ca3N2+ 6 H₂O2 NH3 + 3 Ca(OH)2 What mass of calcium hydroxide can be formed from the reaction when 34.25 g of calcium nitride react with excess water? a. b. If 47.02 g of calcium hydroxide was obtained from the reaction in (a), what is the percent yield of the reaction?

4. The reaction between solid calcium nitride and water produces ammonia and calcium hydroxide. Ca3N2+ 6 H₂O2 NH3 + 3 Ca(OH)2 What mass of calcium hydroxide can be formed from the reaction when 34.25 g of calcium nitride react with excess water? a. b. If 47.02 g of calcium hydroxide was obtained from the reaction in (a), what is the percent yield of the reaction?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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need help with #4 please don’t understand it really
→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? 2 moFLi = 1 mol H₂₂ 2.24 moles Li mortoz moles NH3-Imol Cor 2017.031 g of NH3 reuets w/ 44.07 2.24 moles Li=? Mullt₁₂ 2 mulesti b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide? 67.901 23.95g/mol 2. Urea, (NH2)2CO, is prepared by reacting ammonia with carbon dioxide as shown by: 2 NH3 (g) + CO2 (g)--> (NH2)2CO (aq) + H₂O (1) mass of Am= 9279 In one process, 927 g of NH3 are treated with 1255 g of CO₂. Mass of Carbond = 12559 a. How many grams of (NH2)2CO are produced? mora carbin gimn d=44₂ olg/mil molar m Co₂ = 927 g of NH3 = 11415 = 60-80701) 27,03| =lg1.735 = || Ch 1255g-11969 43.439 635 b. How much excess reagent, in grams is left at the end of the reaction? 18.02 g/mol 2.41 mol of LigH x2 males HO 2 moles of LiOH sig figs and units, =2.41 moles of 1₂0k к a. equation to do 3. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals. 2 Al + Fe₂O3 --> Al2O3 + 2 Fe Calculate the mass of Al2O3 that is produced by reacting 182 g of Al with 648 g of Fe203? b. How many grams of the cess reagent is left at the end of the reaction? 11.12 mnes H₂ 4. The reaction between solid calcium nitride and water produces ammonia and calcium hydroxide. Ca3N2 + 6 H₂O2 NH3 +3 Ca(OH)2 a. What mass of calcium hydroxide can be formed from the reaction when 34.25 g of calcium nitride react with excess water? Com b. If 47.02 g of calcium hydroxide was obtained from the reaction in (a), what is the percent yield of the reaction?
Transcribed Image Text:→2 LiOH (aq) + H₂ (g) a. How many moles of H₂ will be produced by the complete reaction of 2.24 mole Li with excess water? 2 moFLi = 1 mol H₂₂ 2.24 moles Li mortoz moles NH3-Imol Cor 2017.031 g of NH3 reuets w/ 44.07 2.24 moles Li=? Mullt₁₂ 2 mulesti b. How many grams of H₂O will be required to produce 57.80 grams of lithium hydroxide? 67.901 23.95g/mol 2. Urea, (NH2)2CO, is prepared by reacting ammonia with carbon dioxide as shown by: 2 NH3 (g) + CO2 (g)--> (NH2)2CO (aq) + H₂O (1) mass of Am= 9279 In one process, 927 g of NH3 are treated with 1255 g of CO₂. Mass of Carbond = 12559 a. How many grams of (NH2)2CO are produced? mora carbin gimn d=44₂ olg/mil molar m Co₂ = 927 g of NH3 = 11415 = 60-80701) 27,03| =lg1.735 = || Ch 1255g-11969 43.439 635 b. How much excess reagent, in grams is left at the end of the reaction? 18.02 g/mol 2.41 mol of LigH x2 males HO 2 moles of LiOH sig figs and units, =2.41 moles of 1₂0k к a. equation to do 3. The reaction between aluminum and iron(III) oxide can generate temperatures approaching 3000°C and is used in welding metals. 2 Al + Fe₂O3 --> Al2O3 + 2 Fe Calculate the mass of Al2O3 that is produced by reacting 182 g of Al with 648 g of Fe203? b. How many grams of the cess reagent is left at the end of the reaction? 11.12 mnes H₂ 4. The reaction between solid calcium nitride and water produces ammonia and calcium hydroxide. Ca3N2 + 6 H₂O2 NH3 +3 Ca(OH)2 a. What mass of calcium hydroxide can be formed from the reaction when 34.25 g of calcium nitride react with excess water? Com b. If 47.02 g of calcium hydroxide was obtained from the reaction in (a), what is the percent yield of the reaction?
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