High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.(a) One superconductor is La₂₋ₓSrₓCuO4. Calculate the molarmasses of this oxide when x0, x1, and x 0.163.(b) Another common superconducting oxide is made by heatinga mixture of barium carbonate, copper(II) oxide, and yttrium(III)oxide, followed by further heating in O2: 4BaCO₃(s) +6CuO(s) +Y₂O₃(s)2YBa₂Cu₃O₆.₅(s)+ 4CO₂(g)2YBa₂Cu₃O₆.₅s) +1/2O₂(g)→2YBa₂Cu₃O₇(s) When equal masses of the three reactants are heated, which re-actant is limiting?(c) After the product in part (b) is removed, what is the mass per-cent of each reactant in the remaining solid mixture?
High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.(a) One superconductor is La₂₋ₓSrₓCuO4. Calculate the molarmasses of this oxide when x0, x1, and x 0.163.(b) Another common superconducting oxide is made by heatinga mixture of barium carbonate, copper(II) oxide, and yttrium(III)oxide, followed by further heating in O2: 4BaCO₃(s) +6CuO(s) +Y₂O₃(s)2YBa₂Cu₃O₆.₅(s)+ 4CO₂(g)2YBa₂Cu₃O₆.₅s) +1/2O₂(g)→2YBa₂Cu₃O₇(s) When equal masses of the three reactants are heated, which re-actant is limiting?(c) After the product in part (b) is removed, what is the mass per-cent of each reactant in the remaining solid mixture?
Chapter5: Gases
Section: Chapter Questions
Problem 161IP: In the presence of nitric acid, UO2+ undergoes a redox process. It is converted to UO22+ and nitric...
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High-temperature superconducting oxides hold great promise in the utility, transportation, and computer industries.(a) One superconductor is La₂₋ₓSrₓCuO4. Calculate the molarmasses of this oxide when x0, x1, and x 0.163.(b) Another common superconducting oxide is made by heatinga mixture of barium carbonate, copper(II) oxide, and yttrium(III)oxide, followed by further heating in O2: 4BaCO₃(s) +6CuO(s) +Y₂O₃(s)2YBa₂Cu₃O₆.₅(s)+ 4CO₂(g)2YBa₂Cu₃O₆.₅s) +1/2O₂(g)→2YBa₂Cu₃O₇(s) When equal masses of the three reactants are heated, which re-actant is limiting?(c) After the product in part (b) is removed, what is the mass per-cent of each reactant in the remaining solid mixture?
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