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Relative Humidity

Humidity pressure air water

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#1 essi088



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Posted 14 November 2019 - 02:31 PM

Can somebody help me with this question please?

In humid air with a water content of 3 g / (kg dry air), liquid water is injected at a temperature of 30 ° C, after which the air temperature becomes 18 ° C and its relative humidity 50%. The total pressure is constant 1.013 bar and the mass of the dry air is 60 kg. Calculate:
a) the amount of water injected;
 b )the air temperature before water is injected

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Edited by essi088, 14 November 2019 - 02:32 PM.

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