A water heater supplies (74+ 3)kW of power in the form of heat to water. If the (74+ 300)kg of water is heated from -5° C to 55° C, in 4.5 hours, find the work done of heater. Also, calculate the amount of heat energy transferred to the water. Consider specific heat of water is 1 cal/g. www

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter22: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
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A water heater supplies (74+ 3)kW of power in the form of heat to water. If the (74+ 300)kg
of water is heated from -5° C to 55° C, in 4.5 hours, find the work done of heater. Also,
calculate the amount of heat energy transferred to the water. Consider specific heat of water is
1 cal/g.
www
Transcribed Image Text:A water heater supplies (74+ 3)kW of power in the form of heat to water. If the (74+ 300)kg of water is heated from -5° C to 55° C, in 4.5 hours, find the work done of heater. Also, calculate the amount of heat energy transferred to the water. Consider specific heat of water is 1 cal/g. www
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