The capacity of batteries such as the typical AA alkalinebattery is expressed in units of milliamp-hours (mAh). AnAA alkaline battery yields a nominal capacity of 2850 mAh.(a) What quantity of interest to the consumer is beingexpressed by the units of mAh? (b) The starting voltage of afresh alkaline battery is 1.55 V. The voltage decreases duringdischarge and is 0.80 V when the battery has delivered itsrated capacity. If we assume that the voltage declines linearlyas current is withdrawn, estimate the total maximumelectrical work the battery could perform during discharge.
The capacity of batteries such as the typical AA alkalinebattery is expressed in units of milliamp-hours (mAh). AnAA alkaline battery yields a nominal capacity of 2850 mAh.(a) What quantity of interest to the consumer is beingexpressed by the units of mAh? (b) The starting voltage of afresh alkaline battery is 1.55 V. The voltage decreases duringdischarge and is 0.80 V when the battery has delivered itsrated capacity. If we assume that the voltage declines linearlyas current is withdrawn, estimate the total maximumelectrical work the battery could perform during discharge.
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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The capacity of batteries such as the typical AA alkaline
battery is expressed in units of milliamp-hours (mAh). An
AA alkaline battery yields a nominal capacity of 2850 mAh.
(a) What quantity of interest to the consumer is being
expressed by the units of mAh? (b) The starting voltage of a
fresh alkaline battery is 1.55 V. The voltage decreases during
discharge and is 0.80 V when the battery has delivered its
rated capacity. If we assume that the voltage declines linearly
as current is withdrawn, estimate the total maximum
electrical work the battery could perform during discharge.
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