**Writing the Overall Reaction for a RedOx Reaction in an Acidic Environment** **Reaction:** \[ \text{Cr}_2\text{O}_7^{2-} \text{(aq)} + \text{SnCl}_2 \text{(aq)} + \text{Cl}^- \text{(aq)} \rightarrow \text{Cr}^{3+} \text{(aq)} + \text{SnCl}_4 \text{(aq)} \] **Steps for Writing Half-Cell Reactions and Overall RedOx Reactions:** 1. **Balance Atoms Other Than H and O:** - Adjust coefficients to balance atoms. 2. **Balance Oxygen Atoms:** - Add \(\text{H}_2\text{O}\). 3. **Balance Hydrogen Atoms:** - Add \(\text{H}^+\). 4. **Balance the Charge:** - Add electrons. 5. **Combine Oxidation and Reduction Equations:** - Ensure electrons cancel each other. 6. **Cancel Common Species:** - Eliminate or reduce species appearing on both sides. **Diagrams:** - The diagrams compare and show the step-by-step species involved in the redox reaction. - **First Diagram:** - Represents the reactants: Dichromate ion, Tin (II) chloride, and \(\text{H}^+\). - **Second Diagram:** - Represents the products: Chromium ion and Tin (IV) chloride. For more information, refer to the detailed diagrams included.

Writing the Overall Reaction for a RedOx Reaction in an Acidic Environment Reaction: \[ \text{Cr}_2\text{O}_7^{2-} \text{(aq)} + \text{SnCl}_2 \text{(aq)} + \text{Cl}^- \text{(aq)} \rightarrow \text{Cr}^{3+} \text{(aq)} + \text{SnCl}_4 \text{(aq)} \] Steps for Writing Half-Cell Reactions and Overall RedOx Reactions: 1. Balance Atoms Other Than H and O: - Adjust coefficients to balance atoms. 2. Balance Oxygen Atoms: - Add \(\text{H}_2\text{O}\). 3. Balance Hydrogen Atoms: - Add \(\text{H}^+\). 4. Balance the Charge: - Add electrons. 5. Combine Oxidation and Reduction Equations: - Ensure electrons cancel each other. 6. Cancel Common Species: - Eliminate or reduce species appearing on both sides. Diagrams: - The diagrams compare and show the step-by-step species involved in the redox reaction. - First Diagram: - Represents the reactants: Dichromate ion, Tin (II) chloride, and \(\text{H}^+\). - Second Diagram: - Represents the products: Chromium ion and Tin (IV) chloride. For more information, refer to the detailed diagrams included.

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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