Answer: Thats alright bro keep yo head up
:
Explanation:
i) When we divide water vapor's partial pressure by the water's equilibrium vapor pressure at a given temperature we get relative humidity.
It is denoted by ∅

ii) When air is cooled so that it becomes saturated with water vapor the temperature where this occurs is called the dew point.
Answer:
go on google and type NCEER book answers
Answer: 5.36×10-3kg/h
Where 10-3 is 10 exponential 3 or 10 raised to the power of -3.
Explanation:using the formula
M =JAt = -DAt×Dc/Dx
Where D is change in the respective variables. Insulting the values we get,
=5.1 × 10-8 × 0.13 × 3600 × 2.9 × 0.31 / 4×10-3.
=5.36×10-3kg/h