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In each of the following reactions, identify which element is being oxidized and which is being reduced by assigning the oxidized element and reduced element. Assign initial and final oxidation numbers for both the oxidized element and reduced element as well. (a) 3 CuS(s) + 8 HNO3(aq) → 3 CuSO4(aq) + 8 NO(g) + 4 H2O(l) (b) 2 Zn(s) + O2(g) → 2 ZnO(s) (c) 2 Al(s) + 3 I2(s) → 2 AlI3(s)

In each of the following reactions, identify which element is being oxidized and which is being reduced by assigning the oxidized element and reduced element. Assign initial and final oxidation numbers for both the oxidized element and reduced element as well. (a) 3 CuS(s) + 8 HNO3(aq) → 3 CuSO4(aq) + 8 NO(g) + 4 H2O(l) (b) 2 Zn(s) + O2(g) → 2 ZnO(s) (c) 2 Al(s) + 3 I2(s) → 2 AlI3(s)

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.83P
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In each of the following reactions, identify which element is being oxidized and which is being reduced by assigning the oxidized element and reduced element. Assign initial and final oxidation numbers for both the oxidized element and reduced element as well.

(a) 3 CuS(s) + 8 HNO3(aq) → 3 CuSO4(aq) + 8 NO(g) + 4 H2O(l)

(b) 2 Zn(s) + O2(g) → 2 ZnO(s)

(c) 2 Al(s) + 3 I2(s) → 2 AlI3(s)

(d) CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g)

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