Fresh air containing 4.00 mole % water vapor is to be cooled and dehumidified to a water content of 1.70 mole% H2O. A stream of fresh air is combined with a recycle stream of previously dehumidified air and passed through the cooler. The blended stream entering the unit contains 2.30 mole% H20. In the air conditioner, some of the water in the feed stream is condensed and removed as liquid. A fraction of the humidified air delivered to the cooler is recycled and the remainder is delivered to a room. Taking 100 mole of dehumidified air delivered to the room as a basis of calculation; calculate the moles of fresh feed, moles of water condensed, and moles of dehumidified air recycled. Recycle stream (R) Fresh air (F) - - 100 moles Dehumidifier Water removed (Y)

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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1. Fresh air containing 4.00 mole % water vapor is to be cooled and dehumidified to a water
content of 1.70 mole% H20. A stream of fresh air is combined with a recycle stream of
previously dehumidified air and passed through the cooler. The blended stream entering
the unit contains 2.30 mole% H2O. In the air conditioner, some of the water in the feed
stream is condensed and removed as liquid. A fraction of the humidified air delivered to
the cooler is recycled and the remainder is delivered to a room. Taking 100 mole of
dehumidified air delivered to the room as a basis of calculation; calculate the moles of
fresh feed, moles of water condensed, and moles of dehumidified air recycled.
Recycle stream (R)
Fresh air (F)
Dehumidifier
→ 100 moles
Water removed (Y)
Transcribed Image Text:1. Fresh air containing 4.00 mole % water vapor is to be cooled and dehumidified to a water content of 1.70 mole% H20. A stream of fresh air is combined with a recycle stream of previously dehumidified air and passed through the cooler. The blended stream entering the unit contains 2.30 mole% H2O. In the air conditioner, some of the water in the feed stream is condensed and removed as liquid. A fraction of the humidified air delivered to the cooler is recycled and the remainder is delivered to a room. Taking 100 mole of dehumidified air delivered to the room as a basis of calculation; calculate the moles of fresh feed, moles of water condensed, and moles of dehumidified air recycled. Recycle stream (R) Fresh air (F) Dehumidifier → 100 moles Water removed (Y)
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