Lake Erie contains roughly 4.00 ✕ 1011 m3 of water. (a) How much energy is required to raise the temperature of that volume of water from 14.8°C to 23.6°C? (Assume the density of this water to be equal to that of water at 20°C and 1 atm.)  J (b) How many years would it take to supply this amount of energy by using the 1,400-MW exhaust energy of an electric power plant?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics
Section: Chapter Questions
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Lake Erie contains roughly 4.00 ✕ 1011 m3 of water.

(a) How much energy is required to raise the temperature of that volume of water from 14.8°C to 23.6°C? (Assume the density of this water to be equal to that of water at 20°C and 1 atm.)
 J

(b) How many years would it take to supply this amount of energy by using the 1,400-MW exhaust energy of an electric power plant?
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