# Worksheet 7 ## 1. Assign Oxidation Numbers for Each Atom a. \( \text{ClO}_3^- \) - Cl: _______ - O: _______ b. \( \text{H}_2\text{SO}_4 \) - H: _______ - S: _______ - O: _______ c. \( \text{CH}_3\text{OH} \) - C: _______ - H: _______ - O: _______ d. \( \text{NH}_4^+ \) - N: _______ - H: _______ e. \( \text{K}_2\text{Cr}_2\text{O}_7 \) - K: _______ - Cr: _______ - O: _______ ## 2. For Each Reaction, Identify Atom Oxidized, Atom Reduced, Oxidizing Agent, and Reducing Agent a. \( \text{KClO}_3(aq) + 6\text{HBr}(aq) \rightarrow 3\text{Br}_2(l) + 3\text{H}_2\text{O}(l) + \text{KCl}(aq) \) - Atom Oxidized: _______ - Atom Reduced: _______ - Oxidizing Agent: _______ - Reducing Agent: _______ b. \( 3\text{PbO}(s) + 2\text{NH}_3(aq) \rightarrow \text{N}_2(g) + 3\text{H}_2\text{O}(l) + 3\text{Pb}(s) \) - Atom Oxidized: _______ - Atom Reduced: _______ - Oxidizing Agent: _______ - Reducing Agent: _______

# Worksheet 7 ## 1. Assign Oxidation Numbers for Each Atom a. \( \text{ClO}_3^- \) - Cl: _ - O: _ b. \( \text{H}_2\text{SO}_4 \) - H: ___ - S: _ - O: _____ c. \( \text{CH}_3\text{OH} \) - C: ___ - H: _ - O: _____ d. \( \text{NH}_4^+ \) - N: _ - H: _ e. \( \text{K}_2\text{Cr}_2\text{O}_7 \) - K: ___ - Cr: _ - O: _____ ## 2. For Each Reaction, Identify Atom Oxidized, Atom Reduced, Oxidizing Agent, and Reducing Agent a. \( \text{KClO}_3(aq) + 6\text{HBr}(aq) \rightarrow 3\text{Br}_2(l) + 3\text{H}_2\text{O}(l) + \text{KCl}(aq) \) - Atom Oxidized: ___ - Atom Reduced: _ - Oxidizing Agent: _ - Reducing Agent: ___ b. \( 3\text{PbO}(s) + 2\text{NH}_3(aq) \rightarrow \text{N}_2(g) + 3\text{H}_2\text{O}(l) + 3\text{Pb}(s) \) - Atom Oxidized: ___ - Atom Reduced: _ - Oxidizing Agent: _ - Reducing Agent: ___

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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