Answered: Let’s assume that a first-generation…

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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Let’s assume that a first-generation Tesla Powerwall is made up of battery cells that use graphite (C6 ) in the anode and lithium cobalt oxide (LiCoO2 ) in the cathode. Each cell’s capacity is 2.7 Ah and has a voltage of 4.4 V. Assume the Powerwall’s total storage capacity is 7.00 kWh, the energy content of 1 gram of graphite is 370 mAh/g, and the energy content of 1 gram of LiCoO2 is 137 mAh/g. How many lithium ions are in the Powerwall? What is the mass (in grams) of lithium per Powerwall? Assume 1.0 lithium ion per unit charge (100% of lithium atoms go through the oxidation reduction reaction) and the molar mass of lithium is 6.94 g/mol. One unit charge (q) is 1.6x(10^-19) coulombs, and one coulomb is one Ampere-second.

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