Which of the following three statements concerning relativehumidity values of 30

Question

Which of the following three statements concerning relativehumidity values of 30% and 40% are true? When the relative humidityis 30%, the air temperature may be different than when the relativehumidity is 40%.

A: It is possible that at a relative humidity of 30%there is a smaller partial pressure of water vapor in the air thanat a relative humidity of 40%.
B: It is possible that there is the same partial pressure of watervapor in the air at 30% and at 40% relative humidity.
C: It is possible that at a relative humidity of 30% there is agreater partial pressure of water vapor in the air than at arelative humidity of 40%.


Only B and C


Only A


Only A and C


A,B, and C


Only A and B

Explanation / Answer

All the three may be possible hence A,B and C this is because 30% humid at lower temperature may exert higher partial pressure that 40% humid at very higher temperature. If temperatures are equal than 40% humid will exert more partial pressure to 30% humid and between these two the equal case may occure

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