There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper(1) sulfide and oxygen react to form copper(1) oxide and sulfur dioxide: 2 Cu,S(s) + 30,(g) → 2Cu,O(s) + 2 SO,(g) In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide: Cu,O(s) + C(s) → 2 Cu(s) + CO(g) Suppose the yield of the first step is 84.% and the yield of the second step is 65.%. Calculate the mass of oxygen required to make 7.0 kg of copper. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper(1) sulfide and oxygen react to form copper(1) oxide and sulfur dioxide: 2 Cu,S(s) + 30,(g) → 2Cu,O(s) + 2 SO,(g) In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide: Cu,O(s) + C(s) → 2 Cu(s) + CO(g) Suppose the yield of the first step is 84.% and the yield of the second step is 65.%. Calculate the mass of oxygen required to make 7.0 kg of copper. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
Chemistry
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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
Section: Chapter Questions
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Transcribed Image Text:There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper(I) 'sulfide and oxygen react to form copper(I) oxide
and sulfur dioxide:
2 Cu,S(s) + 3 O,(g) →
2 Cu,O(s) + 2 S0,(g)
In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide:
dla
Cu,O(s) + C(s)
2 Cu(s) + CO(g)
the second step is 65.%. Calculate the mass of oxygen required to make 7.0 kg of copper.
Suppose the yield of the first step is 84.% and the yield
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Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
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