Zn(s) + 2H (aq) Part 1 of 2 Zn Identify the species that is oxidized and the species that is reduced in the reaction. is oxidized and H Part: 1 / 2 1 Part 2 of 2 Zn²+ (aq) + H₂(g) Oxidation half reaction: Write out half reactions to show how many electrons are gained or lost by each species. Reduction half reaction: is reduced. X S

Zn(s) + 2H (aq) Part 1 of 2 Zn Identify the species that is oxidized and the species that is reduced in the reaction. is oxidized and H Part: 1 / 2 1 Part 2 of 2 Zn²+ (aq) + H₂(g) Oxidation half reaction: Write out half reactions to show how many electrons are gained or lost by each species. Reduction half reaction: is reduced. X S

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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Given the reaction:Mg(s) + 2 H+(aq) + 2 Cl–(aq) →Mg2+(aq) + 2 Cl–(aq) + H2(g) Which species undergoes reduction? 1. Cl- (aq) 2. H+ (aq) 3. none of them 4. Mg (s)
6. Consider the following half-reactions: F2(g) +2 e-→2 F-(aq) Cu2*(aq)+2 e-→ Cu(s) Sn²*(aq)+2 e –→ Sn(s) Al3*(aq) +3 e -→ Al(s) Na*(aq) +e-→ Na(s) Which of the above elements or ions will reduce Sn2+(aq)? a. Cu(s) and A13*(aq) b. F-(aq) and Cu(s) c. F2(g) and Cu2*(aq) d. Al(s) and Na(s) e. Al3*(aq) and Na*(aq) E° = +2.87 V E° =+0.34 V E° = -0.14 V %3D E° =-1.66 V E° =-2.71 V %3D
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Balance the following redox reaction in acidic solution using the half reactions method. CuS (s) + NO3 (aq) - → Cu²+ (aq) + S (s) + NO(g) 3 Cu2+(aq) + NO(g) + 2 H2O(I)-> 3 Cu+(aq) + NO3-(aq) + 4 H+(aq) Your Answer: 3 Cu2+ (aq)+ NO (g) + 2 H2 O(1) → 3 Cu* (aq) + NO3 (aq) + 4H†(aq) Attempt: 5 (saved a minute ago) SAVE RESPONSE There is an issue with the chemical species in your reaction. Double check that you have the chemical formulas correct for each compound and that you have input the state correctly. Proper states include (s), (I), (g), and (aq). Anything other than that is incorrect. Specifically, you should look at the reactants.
1.What is the pH of a solution containing a hydrogen ion concentration of 1.0 x 10-3 M? 2. What is the oxidizing agent and reducing agent in the following reaction: Fe2O3(s)+3C(s)→4Fe(s)+3CO2(g)
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Consider the following equation in aqueous solution: PO₃³⁻(aq) + SO₂(g) → PO₄³⁻(aq) + S²⁻(aq) The oxidation half-reaction is PO₃³⁻(aq) + H₂O(l) → PO₄³⁻(aq) + 2 H⁺(aq) + 2 e⁻ and the reduction half-reaction is SO₂ (g) + 4 H⁺(aq) + 6 e⁻ → S²⁻ (aq) + 2 H₂O(l). How many moles of electrons must be transferred in the overall reaction?
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