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83 General Chemistry I Laboratory Manual, 2019 Revision 4) Why might a student obtain a percent yield more than 100% for this preparation? 5) Copper metal reacts with dilute (10 M) nitric acid by the following reaction. 3Cue) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 2NO(g) + 4H20) If this reaction took place rather than the first reaction, would your yield of CuCl be affected assuming you started with the same amount of copper metal? Explain your answer. 6) Could we use HCl to dissolve the copper metal instead of nitric acid in the first reaction? Explain your answer. 7) Given the following three sequential reactions: 1) N2(g) + 3H2(g) → 2NH3(g) 2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) 3) 2NO(g)+ O2(g) → 2NO2(g) What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?

83 General Chemistry I Laboratory Manual, 2019 Revision 4) Why might a student obtain a percent yield more than 100% for this preparation? 5) Copper metal reacts with dilute (10 M) nitric acid by the following reaction. 3Cue) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 2NO(g) + 4H20) If this reaction took place rather than the first reaction, would your yield of CuCl be affected assuming you started with the same amount of copper metal? Explain your answer. 6) Could we use HCl to dissolve the copper metal instead of nitric acid in the first reaction? Explain your answer. 7) Given the following three sequential reactions: 1) N2(g) + 3H2(g) → 2NH3(g) 2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) 3) 2NO(g)+ O2(g) → 2NO2(g) What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?

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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
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83 General Chemistry I Laboratory Manual, 2019 Revision 4) Why might a student obtain a percent yield more than 100% for this preparation? 5) Copper metal reacts with dilute (10 M) nitric acid by the following reaction. 3Cue) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 2NO(g) + 4H20) If this reaction took place rather than the first reaction, would your yield of CuCl be affected assuming you started with the same amount of copper metal? Explain your answer. 6) Could we use HCl to dissolve the copper metal instead of nitric acid in the first reaction? Explain your answer. 7) Given the following three sequential reactions: 1) N2(g) + 3H2(g) → 2NH3(g) 2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) 3) 2NO(g)+ O2(g) → 2NO2(g) What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?
Transcribed Image Text:83 General Chemistry I Laboratory Manual, 2019 Revision 4) Why might a student obtain a percent yield more than 100% for this preparation? 5) Copper metal reacts with dilute (10 M) nitric acid by the following reaction. 3Cue) + 8HNO3(aq) → 3Cu(NO3)2(aq) + 2NO(g) + 4H20) If this reaction took place rather than the first reaction, would your yield of CuCl be affected assuming you started with the same amount of copper metal? Explain your answer. 6) Could we use HCl to dissolve the copper metal instead of nitric acid in the first reaction? Explain your answer. 7) Given the following three sequential reactions: 1) N2(g) + 3H2(g) → 2NH3(g) 2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g) 3) 2NO(g)+ O2(g) → 2NO2(g) What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?
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