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Natural gas and air are fed to a furance at a steady flow rate where they combust, and flue gases leave at 60°c. the system is the contents of the firebox of the furance. (8 pts) a) are q and w lesser than, greater than or equal to zero? b) write a simplified energy balance equation for this process denoting all components.
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Natural gas and air are fed to a furance at a steady flow rate where they combust, and flue gases le...
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