Chemistry
Evaporation and Condensation

Effect of air current on rate of evaporation?

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Wiki User
June 12, 2007 4:39PM

It generally speeds it up.

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Yes, It does effect on the evaporation rate because the warmer the air, the faster the evaporation. But wind that's going fast or 'wind speed air humidity' makes air colder whitch slows down the evaporation rate.

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The more humidity there is in the air, the less space for evaporation there will be. Humidity High=Evaporation Low and vice versa.

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One factor that affects the rate of evaporation is temperature. Warmer weather means a faster rate of evaporation. The density of the air or humidity in the surrounding air is also a factor. If the air is already humid, evaporation will take longer.

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when air is dry rate of evaporation speeds up It goes up as there is less moisture in the air which leaves more room for water vapor.

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Assuming you are referring to a liquid exposed to air, then the factors affecting the evaporation are the temperature, and the air pressure. In a real-life situation, the presence of waves would also increase the evaporation rate.

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Yes, a low pressure favors evaporation.

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Evaporation rate depends on the temperature of the liquid, how tightly the liquid molecules bond to each other, the surface area of the liquid, and the temperature, pressure, and air movements in the surroundings into which evaporation occurs. The warmer the liquid, the faster the evaporation rate. The stronger the molecules bond to each other, the slower the evaporation rate. The larger the exposed surface, the faster the evaporation rate. The colder the surroundings, the faster the evaporation rate. The lower the atmospheric pressure above the liquid, the faster the evaporation rate. The faster the air above the liquid moves, the faster the evaporation rate. (DrStrong) The answer is yes, it does. Dissolved salt in water will lower the solution's vapor pressure according to Henry's Law. Evaporation rate is proportional to the difference in vapor pressure of the solution and the vapor pressure of the bulk gas phase over the water surface. I agree with the above answer as well except that the coldness of the surroundings is not a direct factor in determining the evaporation rate.

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Heat, humidity, air movement.

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Air is already in evaporated state(gas) . however the rate of evaporation decreases in the sense its volume decreases(less space is occupied by the molecules)

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Decreases edit:no, it increases

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Raise the temperature or the air flow.

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The Rate at which a pool evaporates depends on the relative humidity in the air surounding it.

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Evaporation rate depends on the temperature of the liquid, how tightly the liquid molecules bond to each other, the surface area of the liquid, and the temperature, pressure, and air movements in the surroundings into which evaporation occurs. The warmer the liquid, the faster the evaporation rate. The stronger the molecules bond to each other, the slower the evaporation rate. The larger the exposed surface, the faster the evaporation rate. The colder the surroundings, the faster the evaporation rate. The lower the atmospheric pressure above the liquid, the faster the evaporation rate. The faster the air above the liquid moves, the faster the evaporation rate. The presence of a solute of lower or negligible vapor pressure reduces the vapor pressure and consequently tends to REDUCE the evaporation rate. So, for example, the evaporation rate of water from salt water will be somewhat less than from fresh water (again, other factors being the same). Betlehem Semahge

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Speed it up! The evaporation rate is the factor determining how fast or slow a liquid evaporates, this depends on the temperature the surface area of the liquid, the strength of air currents above the liquid, pressure above the surface of the liquid or the nature of the liquid. -Qwasas Evaporation Rate is how much of a factor(such as heat,humidity,or wind) affect the "rate" of evaporation.

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Heat, altitude, and moisture content in the air are factors which may effect the speed of evaporation.

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the rate of evaporation increases when a breeze or flow of air is present. If you refer to water transpiration, you can see that a breeze blowing over the surface of a plant's leaves increases the rate of evaporation of the water exiting the stoma.

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The greater the temperature, the faster liquids will evaporate.

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Air temperature determines the rate of evaporation. Hence, it affects water cycle.

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the hot air is being lifted or released into the air

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A dark pool liner might cause a very small increase in water evaporation, but nothing significant. The dark pool liner will raise the water temp a bit which, in turn, may increase the evaporation rate. But, the evaporation rate is much more dependent upon the air temperature and humidity than on the water temp, so the increase in water temp would only have a very small effect on the overall or net water evaporation rate. Hope this helps ... yes, it will, and it could be a significant increase.

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As air rises up the windward slope of a mountain range, it expands and cools. As air cools, the rate of evaporation decreases while the rate of condensation increases.