ME320 solution2 - ME320 Thermodynamics Homework set #2 Due:...

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ME320 Thermodynamics Homework set #2 Due: Wednesday 9/17/03 at the start of class 1. If the pressure of a pure substance is increased during the boiling process, will the temperature also increase or will it remain constant? (Explain your response.) Solution: The temperature will also increase. This increase occurs because the saturation temperature of a pure substance depends on pressure. 2. What is the diFerence between the critical point and the triple point? Solution: At the critical point, the saturated liquid and saturated vapor states of a pure substance are identical. At the triple point, the three phases of a pure substance coexist. 3. A person cooks a meal in a stainless steel pan with diameter 30 cm diameter pot covered with a well-±tting lid and lets the food cool to 20 C. The total mass of the food and the pot is 8 kg. The person now tries to open the pot by lifting up the lid. Assuming that no air has leaked into the pan during cooling, determine whether the lid will
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ME320 solution2 - ME320 Thermodynamics Homework set #2 Due:...

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