Statement of a problem № 10783


The vapor pressure of water at 10 oC is 1300 Pa. (a) What percentage of atmospheric pressure is this? Take atmospheric pressure to be 1.013 × 105 Pa. (b) What percentage of the total air pressure at 10 oC is due to water vapor when the relative humidity is 100%? (c) The vapor pressure of water at 35 oC is 5500 Pa. What is the relative humidity at this temperature if the partial pressure of water in the air has not changed from what it was at 10 oC when the relative humidity was 100%?

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