Answered: Estimate how many lemons we need if we…

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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An LED can be lit by a battery consists of 3 lemons that use copper and zinc as electrodes. The voltage from each battery was 0.00097 kV and the current to the LED was limited to 15 mA.
A refrigerator uses 225 watts of electricity per hour. Estimate how many lemons we need if we decide to power up the refrigerator for one day.
Power (W) = Voltage (V) x I (A)

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