Chapter 7.1

Chapter 7.1 - Chapter 7.1 Humidity I.a. Humidity: water...

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Chapter 7.1 Humidity I.a. Humidity : water vapor in the air; temperature determines capacity of air to hold water vapor I.a. Relative Humidity : ratio, expressed as percentage, of amount of water vapor in air to maximum water vapor that is possible at a given temperature I.a.i. Relative Humidity= (actual water vapor in air/max. water vapor possible at temperature) X 100 I.a.i. Saturation equilibrium when the evaporation rate is equal to the condensation rate I.a.i. Inversely related to temperature- as temperature rises, relative humidity falls since maximum water vapor possible is greater in warm air (think of Figure 7.8 where constant circles of water vapor are in different size circles of warm and cold air) I.a.i.1. Example: morning has more dew on cars and grass I.a. Saturation : happens when air is at 100% relative humidity when the rate of evaporation and condensation reach equilibrium (net transfer of water molecules) I.a.i. Indicates any further addition of water vapor or decrease in temperature that reduces the evaporation rate will result in active condensation
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This note was uploaded on 01/26/2012 for the course 460 476 taught by Professor Adamo during the Fall '11 term at Rutgers.

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Chapter 7.1 - Chapter 7.1 Humidity I.a. Humidity: water...

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