In Part A of the experimental procedure, copper metal is added to concentrated nitric acid. The reaction between copper metal and concentrated nitric acid is an oxidation-reduction reaction that is somewhat complicated. 4 HNO3(aq) + Cu(s) → Cu(NO3)2 (aq) + 2 H₂O (1) + 2 NO₂ (g) Consider the balanced chemical reaction given above. Assign the oxidation numbers to each atom in the equation. Cu: H: O: N: 4 HNO3(aq) +1 -2 +5 ✓ Which element undergoes OXIDATION? 0 I. 2. OXIDIZING AND REDUCING AGENTS 1. 3. ELECTRON TRANSFER Which element undergoes REDUCTION? + Cu(s) Cu(NO3)2 (aq) +2 -2 +5 2 2 + 2 H₂O (1) +1 -2 How many moles of electrons are transferred between the elements being oxidized and reduced? +2 NO₂ (g) -2 +4 ✓

In Part A of the experimental procedure, copper metal is added to concentrated nitric acid. The reaction between copper metal and concentrated nitric acid is an oxidation-reduction reaction that is somewhat complicated. 4 HNO3(aq) + Cu(s) → Cu(NO3)2 (aq) + 2 H₂O (1) + 2 NO₂ (g) Consider the balanced chemical reaction given above. Assign the oxidation numbers to each atom in the equation. Cu: H: O: N: 4 HNO3(aq) +1 -2 +5 ✓ Which element undergoes OXIDATION? 0 I. 2. OXIDIZING AND REDUCING AGENTS 1. 3. ELECTRON TRANSFER Which element undergoes REDUCTION? + Cu(s) Cu(NO3)2 (aq) +2 -2 +5 2 2 + 2 H₂O (1) +1 -2 How many moles of electrons are transferred between the elements being oxidized and reduced? +2 NO₂ (g) -2 +4 ✓

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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