thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m? and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1340000 (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 2 v 1 kW room heaters r -- - - (a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m? and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1565.21 x W (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 2v 1 kW room heaters (a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m? and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1560 x w (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 2v 1 kW room heaters

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ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 40P: The thermal conductivities of human tissues vary greatly. Fat and skin have conductivities of about...
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(a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average
thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is
150 m2 and their inside surface is at 20.0°C, while their outside surface is at 5.00°C.
1340000
X W
(b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer
to the next whole integer.)
2
1 kW room heaters
--..--
(a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an
average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface
area of the walls is 150 m² and their inside surface is at 20.0°C, while their outside surface is at 5.00°C.
1565.21 X W
(b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your
answer to the next whole integer.)
1 kW room heaters
(a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an
average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface
area of the walls is 150 m? and their inside surface is at 20.0°C, while their outside surface is at 5.00°C.
1560 X W
(b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your
answer to the next whole integer.)
2
1 kW room heaters
Transcribed Image Text:(a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m2 and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1340000 X W (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 2 1 kW room heaters --..-- (a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m² and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1565.21 X W (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 1 kW room heaters (a) Calculate the rate of heat conduction (in W) through house walls that are 11.5 cm thick and that have an average thermal conductivity twice that of glass wool. Assume there are no windows or doors. The surface area of the walls is 150 m? and their inside surface is at 20.0°C, while their outside surface is at 5.00°C. 1560 X W (b) How many 1 kW room heaters would be needed to balance the heat transfer due to conduction? (Round your answer to the next whole integer.) 2 1 kW room heaters
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