An electric heater supplies (R+ 2.5) kW of power in the form of heat to water. If in 5.5 hours, 350 kg of water is heated from -10°C to 60 °C, find the work done (w) of heater. Also calculate the amount of heat energy (Q) transferred to the water. Consider the specific heat of water is 4184 J/kg K. R=30
An electric heater supplies (R+ 2.5) kW of power in the form of heat to water. If in 5.5 hours, 350 kg of water is heated from -10°C to 60 °C, find the work done (w) of heater. Also calculate the amount of heat energy (Q) transferred to the water. Consider the specific heat of water is 4184 J/kg K. R=30
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
Section: Chapter Questions
Problem 27RQ: How many Btu/h would be produced in a 12-kW electricheater?
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Question
![b. An electric heater supplies (R+ 2.5) kW of power in the form of heat to water. If in 5.5 hours, 350
kg of water is heated from –10°C to 60 °C, find the work done (w) of heater. Also calculate the
amount of heat energy (Q) transferred to the water. Consider the specific heat of water is 4184
J/kg K.
R=30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff1a11fe8-4789-4f2b-be3b-d46fc3a08ac7%2Fc6966880-c07b-4582-9591-63d54e5c8d35%2Ffke7ugq_processed.png&w=3840&q=75)
Transcribed Image Text:b. An electric heater supplies (R+ 2.5) kW of power in the form of heat to water. If in 5.5 hours, 350
kg of water is heated from –10°C to 60 °C, find the work done (w) of heater. Also calculate the
amount of heat energy (Q) transferred to the water. Consider the specific heat of water is 4184
J/kg K.
R=30
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