Of coal gives off 30 MJ/kg when it is burned, how much coal would be needed to

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Of coal gives off 30 MJ/kg when it is burned, how much coal would be needed to heat a house that requires 2.0 X 105 MJ for the whole winter? Assume that 30% of the heat is lost up the chimney?

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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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Question Posted: May 13, 2010 11:28 PM

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Of coal gives off 30 MJ/kg when it is burned, how much coal would be needed to

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Since 30 of the heat generated is los...View the full answer

Thermodynamics An Engineering Approach

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