Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury ineral complex. The first step in processing these ores involves "roasting" the ore in air to produce the metal r metal oxide, along with nonmetal oxides that can be serious pollutants if not trapped. Suppose that you roast 2.00 kg of the mineral polymidite, Ni3S4. The balanced equation for the reaction 6: 2 Ni3S4 + 11 0₂ →6 NiO + 8 SO₂ (a) How many kg of NiO can be produced? (b) How many kg of the pollutant SO₂ can be produced? (c) How many liters of air at 25°C are required for roasting? Assume that air contains 23% O₂ by mass, nd that the density of air at 25°C is 1.2 g/L. Molar masses: Ni3S4 304.3 g/mol NiO 74.69 g/mol SO₂ 64.06 g/mol

Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudbury ineral complex. The first step in processing these ores involves "roasting" the ore in air to produce the metal r metal oxide, along with nonmetal oxides that can be serious pollutants if not trapped. Suppose that you roast 2.00 kg of the mineral polymidite, Ni3S4. The balanced equation for the reaction 6: 2 Ni3S4 + 11 0₂ →6 NiO + 8 SO₂ (a) How many kg of NiO can be produced? (b) How many kg of the pollutant SO₂ can be produced? (c) How many liters of air at 25°C are required for roasting? Assume that air contains 23% O₂ by mass, nd that the density of air at 25°C is 1.2 g/L. Molar masses: Ni3S4 304.3 g/mol NiO 74.69 g/mol SO₂ 64.06 g/mol

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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Many important metals occur as sulfide, arsenide, and antimonide minerals, especially in the Sudburymineral complex. The first step in processing these ores involves “roasting” the ore in air to produce the metalor metal oxide, along with nonmetal oxides that can be serious pollutants if not trapped.Suppose that you roast 1.00 kg of the mineral maucherite, Ni11As8. The balanced equation for thereaction is:2 Ni11As8 + 31 O2 → 22 NiO + 8 As2O5(a) How many kg of NiO can be produced?(b) How many kg of the pollutant As2O5 can be produced?(c) How many liters of air at 25°C are required for roasting? Assume that air contains 23% O2 by mass,and that the density of air at 25°C is 1.2 g/L.Molar masses: Ni11As8 1245.0 g/mol NiO 74.69 g/mol As2O5 229.84 g/mol
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