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h water vapor a ic hit

h water vapor a ic hit

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A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior ofthe bulb a spot with area 2.0 mm2 is placed in contact with liquid nitrogen. This causes the temperatureof the spot to drop well below 0°C. When the gaseous water molecules strike this area from inside theyimmediately freeze effectively removing them from the gas. Determine how much time it takes for thepressure in the bulb to reduce to half its original value. Assume the temperature of the gas in thecontainer remains at 500 K (Answer: 26 s)
Transcribed Image Text:A glass bulb with radius 15 cm is filled with water vapor at a temperature of 500 K. On the exterior ofthe bulb a spot with area 2.0 mm2 is placed in contact with liquid nitrogen. This causes the temperatureof the spot to drop well below 0°C. When the gaseous water molecules strike this area from inside theyimmediately freeze effectively removing them from the gas. Determine how much time it takes for thepressure in the bulb to reduce to half its original value. Assume the temperature of the gas in thecontainer remains at 500 K (Answer: 26 s)
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