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 Cu₂S(s)+30₂(9) 2 Cu₂O(s)+2 SO₂(g) In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide: Cu₂O(s) + C(s)-2 Cu(s) + CO(g) Write the net chemical equation for the production of copper from copper(1) sulfide, oxygen and carbon. Be sure your equation is balanced.

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 Cu₂S(s)+30₂(9) 2 Cu₂O(s)+2 SO₂(g) In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide: Cu₂O(s) + C(s)-2 Cu(s) + CO(g) Write the net chemical equation for the production of copper from copper(1) sulfide, oxygen and carbon. Be sure your equation is balanced.

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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O = rosoft C W 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(1) oxide and sulfur dioxide: 2Cu₂S (s) + 30₂(g) → 2Cu₂0(s) + 2 SO₂ (g) In the second step, copper(I) oxide and carbon react to form copper and carbon monoxide: Cu₂O(s) + C(s)→ 2Cu(s) + CO (g) Microsoft O CHEMICAL REACTIONS Reaction sequence stoichiometry Microsoft 6.52.210... esc Suppose the yield of the first step is 64.% and the yield of the second step is 88.%. Calculate the mass of oxygen required to make 2.0 kg of copper. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits. Explanation aption Q A T N 11 2 Check 9,039 W S X command #3 E 010 14 4 X $ C DEC 3 R F Ś % 5 V T útv G () > Y Ø 7 H Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibil 917 C N * 00 8 J FERBARKE I A M -0 K O L 28 W command
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In the first step, calcium carbide (CaC₂) and water react t form acetylene (C₂H₂) and calcium hydroxide: + Ca(OH)₂ (s) CaC₂ (s) + 2H₂O(g) → C₂H₂(g) 1 In the second step, acetylene (C₂H₂), carbon dioxide and water react to form acrylic acid (CH₂CHCO₂H): 6C₂H₂(g) + 3C0₂(g) + 4H₂O(g) - 5 CH₂CHCO₂H (g) 1 Suppose the yield of the first step is 88.% and the yield of the second step is 86.%. Calculate the mass of calcium carbide required to make 9.0 kg of acrylic acid. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits. 0 Explanation Check ☐ x10 00 ロ・ロ © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Acce
potential energy diagrams for the following reactions: 2 Ag (s) + Cl2 (g) = 2 AgCl(s) +254 kj
The Haber process is used to manufacture ammonia from nitrogen and hydrogen in the presence of an iron catalyst. The reaction, shown in this equation, is exothermic: N 2 (g)+3H 2 (g) rightleftharpoons 2N*H_{3}(g) + Heat Which statement correctly describes the chemical reaction? The energy needed to break the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is greater than the energy released by the formation of 3 moles of ammonia. The energy needed to break the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is less than the energy released by the formation of 3 moles of ammonia. The energy released by breaking the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is greater than the energy needed to form 3 moles of ammonia. The energy released by breaking the chemical bonds of 1 mole of nitrogen and 3 moles of hydrogen is less than the energy needed to form 3 moles of ammonia.
Consider the reaction of a mixture of NaHCO3 and Ca(HCO3)2 with excess HCl. The net ionic reaction observed is H+(aq) + HCO3-(aq) → H2O(l) + CO2(g) The data for this problem is for 25 oC 7.701 g of a sample containing a mixture of NaHCO3 and Ca(HCO3)2 is mixed with an excess of HCl to produce CO2 gas. When all of the (dried) gas is collected in a 1.00 L vessel, the total pressure is 1.452 atm. How many g of NaHCO3 were present in the initial sample?
Explain step by step why each can or cannot occur.
The extraction of aluminum metal from the aluminum hydroxide in bauxite ore by the Hall-Héroult process is one of the most remarkable success stories of late 19th century practical chemistry, turning aluminum from a rare and precious metal into the cheap commodity it is today. In the first step, aluminum hydroxide reacts to form alumina and water: 2 Al(OH)3(s)-Al₂O3(s) + 3 H₂O(g) In the second step, alumina and carbon react to form aluminum and carbon dioxide: 2 Al₂O3(s)+3 C(s)-4 Al(s) + 3 CO₂(g) Write the net chemical equation for the production of aluminum from aluminum hydroxide and carbon. Be sure your equation is balanced. Explanation Check 80 E5 ローロ X On F6 S MacBook Air F7 DII FB FO A Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Access F10 A F11 ola Ar 00
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In the first step, calcium carbide (CaC,) and water react to form acetylene (C,H,) and calcium hydroxide: CaC, (s) + 2H,0(g) - C,H,(g) + Ca(OH), (s) In the second step, acetylene (C,H,), carbon dioxide and water react to form acrylic acid (CH,CHCO,H): 6C,H, (g) 3co,(g) + 4H,0(g) 5 CH, CHCO,H (g) Suppose the yield of the first step is 68.% and the yield of the second step is 66.%. Calculate the mass of calcium carbide required to make 10.0 kg of acrylic acid. Be sure your answer has a unit symbol, if needed, and is rounded to the correct number of significant digits.
uestion 27 "A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of RrO (s) is added to 125g of water at 22.2° C in a coffee cup calorimeter, the following reaction occurs. RrO(s) + H 20(1) – Rr(OH) 2 (aq) AH = -83.1k/mol Given the molar mass for RrO is 74g/mol calculate the following moles of Rro round answer to 4 decimal places omit trailing zeroes 9 rxn in joules round answer to the nearest whole number 9 water in joules round answer to the nearest whole number Final temperature round answer to 1 decimal place omit trailing zeroes " A Moving to another question will save this response.
True or False: The test tube in which a chemical reaction is taking place feels warmer to the touch. The reaction is endothermic.
Calculate the enthalpy of decomposing hydrogen iodide to produce hydrogen and iodine. 2HI(g) → I2(s) + H2(g) I2(s) → I2(g) ΔH⁰ = 124.8 kJ/mol I2(g) + H2(g) → 2HI(g) ΔH⁰ = - 73.0 kJ/mol