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Please show all solutions. And please balance using half reaction method following the steps shown in the second picture. Thank you.

Please show all solutions. And please balance using half reaction method following the steps shown in the second picture. Thank you.

Chemistry
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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Please show all solutions. And please balance using half reaction method following the steps shown in the second picture. Thank you.

Steps in the Half-Reaction Method The balancing process begins with a "skel- eton" ionic reaction that consists of only species that are oxidized and reduced. Here are the steps in the half-reaction method: Step 1. Divide the skeleton reaction into two half-reactions, each of which contains the oxidized and reduced forms of one of the species: if the oxidized form of a species is on the left side, the reduced form must be on the right, and vice versa. Step 2. Balance the atoms and charges in each half-reaction. Atoms are balanced in this order: atoms other than O and H, then O, then H. Charge is balanced by adding electrons (e-) to the left side in the reduction half-reaction because the reactant gains them and to the right side in the oxidation half-reaction because the reactant loses them. Step 3. If necessary, multiply one or both half-reactions by an integer so that number of e gained in reduction number of e- lost in oxidation %3D Step 4. Add the balanced half-reactions, and include states of matter. Step 5. Check that the atoms and charges are balanced. Let's balance a redox reaction that occurs in acidic solution and then see how to bal- ance one in basic solution in Sample Problem 21.1.
Transcribed Image Text:Steps in the Half-Reaction Method The balancing process begins with a "skel- eton" ionic reaction that consists of only species that are oxidized and reduced. Here are the steps in the half-reaction method: Step 1. Divide the skeleton reaction into two half-reactions, each of which contains the oxidized and reduced forms of one of the species: if the oxidized form of a species is on the left side, the reduced form must be on the right, and vice versa. Step 2. Balance the atoms and charges in each half-reaction. Atoms are balanced in this order: atoms other than O and H, then O, then H. Charge is balanced by adding electrons (e-) to the left side in the reduction half-reaction because the reactant gains them and to the right side in the oxidation half-reaction because the reactant loses them. Step 3. If necessary, multiply one or both half-reactions by an integer so that number of e gained in reduction number of e- lost in oxidation %3D Step 4. Add the balanced half-reactions, and include states of matter. Step 5. Check that the atoms and charges are balanced. Let's balance a redox reaction that occurs in acidic solution and then see how to bal- ance one in basic solution in Sample Problem 21.1.
21.32 Balance each skeleton reaction, calculate E and state whether the reaction is spontaneous: (a) Cl,(g) + Fe2+(aq) (b) Mn2 (aq) + Co(aq) (c) AgCl(s) + NO(g) cell Cl(aq) + Fe (ag) MnO,(s) + Co2 (aq) [acidic] Ag(s) + CI (aq) + NO, (aq) [acidic]
Transcribed Image Text:21.32 Balance each skeleton reaction, calculate E and state whether the reaction is spontaneous: (a) Cl,(g) + Fe2+(aq) (b) Mn2 (aq) + Co(aq) (c) AgCl(s) + NO(g) cell Cl(aq) + Fe (ag) MnO,(s) + Co2 (aq) [acidic] Ag(s) + CI (aq) + NO, (aq) [acidic]
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