When performing the "How Can the Identity of Metals be Determined?" investigation, copper (E°red = 0.337V) was paired with unknown Metal IV to make a voltaic cell. First the potential was measured with red lead (cathode lead) attached to the copper, which read an E°cel -0.46 V. Next, the red and black leads were switched, and the black lead (anode lead) was attached to the copper, which read an E°cell = +0.46 V. What is the E°red for Metal IV? O +0.797 V O -0.123 V O +0.123 V O -0.797 V

When performing the "How Can the Identity of Metals be Determined?" investigation, copper (E°red = 0.337V) was paired with unknown Metal IV to make a voltaic cell. First the potential was measured with red lead (cathode lead) attached to the copper, which read an E°cel -0.46 V. Next, the red and black leads were switched, and the black lead (anode lead) was attached to the copper, which read an E°cell = +0.46 V. What is the E°red for Metal IV? O +0.797 V O -0.123 V O +0.123 V O -0.797 V

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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When performing the "How Can the Identity of Metals be Determined?" investigation, copper (E°red
= 0.337V) was paired with unknown Metal IV to make a voltaic cell. First the potential was
measured with red lead (cathode lead) attached to the copper, which read an E°cell = -0.46 V. Next,
the red and black leads were switched, and the black lead (anode lead) was attached to the copper,
which read an E°cell = +0.46 V. What is the E°red for Metal IV?
+0.797 V
-0.123 V
+0.123 V
O -0.797 V

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