Determine the total entropy change during given process
A 25-kg iron block initially at 350°C is quenched in an insulated tank that contains 100 kg of water at 18°C. Assuming the water that vaporizes during the process condenses back in the tank, determine the total entropy change during this process.
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If a company uses the same payback requirement to evaluate all projects, say it requires a payback of 4 years or less, then the company will tend to reject projects with relatively short lives and accept long-lived projects, and this will cause it
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Write the differential equation obeyed by the liquid temperature theta. b) solve the equation you found in part (a) for theta in terms of the arbitrary initial temperature theta.
Assuming the water that vaporizes during the process condenses back in the tank, determine the total entropy change during this process.
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