Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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**Redox Equation Balancing Exercise** **Instructions:** Balance the following redox equations. Write the sum of the coefficients when each equation is balanced to the lowest whole number coefficients. Include the coefficient of any H⁺, OH⁻, and H₂O that is necessary to balance the equation. 1. P₄ + HNO₃(aq) + H₂O(l) → H₃PO₄(aq) + NO(g) - Sum of coefficients: _______ 2. H₂SO₄(aq) + HCl(aq) → H₂S(g) + Cl₂(g) + H₂O(l) - Sum of coefficients: _______ 3. KBrO₂(aq) + KCl(aq) + HBr(g) → KBr(aq) + Cl₂(g) + H₂O(l) - Sum of coefficients: _______ 4. As(s) + HNO₃(aq) → As₂O₅(s) + NO(g) + H₂O(l) - Sum of coefficients: _______ 5. I₂(s) + NH₃(g) → NH₄I(aq) + N₂(g) - Sum of coefficients: _______ 6. NO₂(g) + H₂O(l) → HNO₃(aq) + NO(g) - Sum of coefficients: _______ 7. KBr(aq) + HNO₃(aq) → KNO₃(aq) + NO(g) + Br₂(l) + H₂O(l) - Sum of coefficients: _______ 8. H₂SO₃(aq) + KMnO₄(aq) → MnSO₄(aq) + H₂SO₄(aq) + K₂SO₄(aq) + H₂O(l) - Sum of coefficients: _______ 9. KMnO₄(aq) + HBr(aq) → Br₂(l) + KBr(aq) + MnBr₂(aq) + H₂O(l) - Sum of coefficients: _______ 10. Na₂Cr₂O₇(aq) + H₂O(l) + S(s) → SO₂(g) + NaOH(aq) + Cr₂O₃(s) - Sum of coefficients: _______ **Note:** To solve these
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Transcribed Image Text:**Redox Equation Balancing Exercise** **Instructions:** Balance the following redox equations. Write the sum of the coefficients when each equation is balanced to the lowest whole number coefficients. Include the coefficient of any H⁺, OH⁻, and H₂O that is necessary to balance the equation. 1. P₄ + HNO₃(aq) + H₂O(l) → H₃PO₄(aq) + NO(g) - Sum of coefficients: _______ 2. H₂SO₄(aq) + HCl(aq) → H₂S(g) + Cl₂(g) + H₂O(l) - Sum of coefficients: _______ 3. KBrO₂(aq) + KCl(aq) + HBr(g) → KBr(aq) + Cl₂(g) + H₂O(l) - Sum of coefficients: _______ 4. As(s) + HNO₃(aq) → As₂O₅(s) + NO(g) + H₂O(l) - Sum of coefficients: _______ 5. I₂(s) + NH₃(g) → NH₄I(aq) + N₂(g) - Sum of coefficients: _______ 6. NO₂(g) + H₂O(l) → HNO₃(aq) + NO(g) - Sum of coefficients: _______ 7. KBr(aq) + HNO₃(aq) → KNO₃(aq) + NO(g) + Br₂(l) + H₂O(l) - Sum of coefficients: _______ 8. H₂SO₃(aq) + KMnO₄(aq) → MnSO₄(aq) + H₂SO₄(aq) + K₂SO₄(aq) + H₂O(l) - Sum of coefficients: _______ 9. KMnO₄(aq) + HBr(aq) → Br₂(l) + KBr(aq) + MnBr₂(aq) + H₂O(l) - Sum of coefficients: _______ 10. Na₂Cr₂O₇(aq) + H₂O(l) + S(s) → SO₂(g) + NaOH(aq) + Cr₂O₃(s) - Sum of coefficients: _______ **Note:** To solve these
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