Balance each of the following equations according to the half-reaction method:(a) Zn(s) + NO3−(aq) ⟶ Zn2+(aq) + N2(g) (in acid)(b) Zn(s) + NO3−(aq) ⟶ Zn2+(aq) + NH3(aq) (in base)(c) CuS(s) + NO3−(aq) ⟶ Cu2+(aq) + S(s) + NO(g) (in acid)(d) NH3(aq) + O2(g) ⟶ NO2(g) (gas phase)(e) Cl2(g) + OH−(aq) ⟶ Cl−(aq) + ClO3−(aq) (in base)(f) H2 O2(aq) + MnO4−(aq) ⟶ Mn2+(aq) + O2(g) (in acid)(g) NO2(g) ⟶ NO3−(aq) + NO2−(aq) (in base)(h) Fe3+(aq) + I−(aq) ⟶ Fe2+(aq) + I2(aq)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter19: The Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 44QRT
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Balance each of the following equations according to the half-reaction method:
(a) Zn(s) + NO3(aq) ⟶ Zn2+(aq) + N2(g) (in acid)
(b) Zn(s) + NO3(aq) ⟶ Zn2+(aq) + NH3(aq) (in base)
(c) CuS(s) + NO3(aq) ⟶ Cu2+(aq) + S(s) + NO(g) (in acid)
(d) NH3(aq) + O2(g) ⟶ NO2(g) (gas phase)
(e) Cl2(g) + OH(aq) ⟶ Cl(aq) + ClO3(aq) (in base)
(f) H2 O2(aq) + MnO4(aq) ⟶ Mn2+(aq) + O2(g) (in acid)
(g) NO2(g) ⟶ NO3(aq) + NO2(aq) (in base)
(h) Fe3+(aq) + I(aq) ⟶ Fe2+(aq) + I2(aq)

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