1. Calculate the length of time a 950-watt blow dryer would have to blow on an iron pipe (0.75 cm wall thickness) to thaw a 1.25 kg chunk of ice blocking the flow of water through the pipe. What is the change in entropy of the ice/water? (The ice is initially at a temperature of 16° F and room temperature is 65° F.)
1. Calculate the length of time a 950-watt blow dryer would have to blow on an iron pipe (0.75 cm wall thickness) to thaw a 1.25 kg chunk of ice blocking the flow of water through the pipe. What is the change in entropy of the ice/water? (The ice is initially at a temperature of 16° F and room temperature is 65° F.)
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Transcribed Image Text:1. Calculate the length of time a 950-watt blow dryer would have to blow on an iron pipe (0.75 cm wall thickness) to thaw
a 1.25 kg chunk of ice blocking the flow of water through the pipe. What is the change in entropy of the ice/water?
(The ice is initially at a temperature of 16° F and room temperature is 65° F.)
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