Electroplating is rarely 100% efficient-some of the current usually is consumed by reactions other than the desired reduction reaction. The current efficiency is the fraction of charge that does go into the desired reduction reaction. When a current of 6.00 A flows for 15.0 minutes through a cell composed of two Pt electrodes in a solution of Cu(NO3)2(aq) in dilute HNO3(aq), 0.40 g deposited on the cathode. of copper is (a) Calculate the current efficiency for this process. 22.5 % (b) If the remainder of the current reduces equal amounts of hydronium (to hydrogen gas and water) and nitrate ions (to NO(g)), calculate the volumes of H2(g) and NO(g) generated (in L) per hour at 1 bar and 30°C. L H2(g) L NO(g)

Electroplating is rarely 100% efficient-some of the current usually is consumed by reactions other than the desired reduction reaction. The current efficiency is the fraction of charge that does go into the desired reduction reaction. When a current of 6.00 A flows for 15.0 minutes through a cell composed of two Pt electrodes in a solution of Cu(NO3)2(aq) in dilute HNO3(aq), 0.40 g deposited on the cathode. of copper is (a) Calculate the current efficiency for this process. 22.5 % (b) If the remainder of the current reduces equal amounts of hydronium (to hydrogen gas and water) and nitrate ions (to NO(g)), calculate the volumes of H2(g) and NO(g) generated (in L) per hour at 1 bar and 30°C. L H2(g) L NO(g)

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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