calculate the mass of water vapor present in a room of volume 400 m3 that contains air at 290c when the relative humidity is 53.0%. compute for the vapor pressure of water?

Why should children should be allowed to vote at elections? explain

Alaser tag arena sells two types of memberships. one package costs $325 for one year of membership with an unlimited number of visits. the second package has $125 enrollment fee, includes five free visits, and costs and additional $8 per visit after the first five. how many visits would a person need to use for each type of membership to cost the same amount over a one-year period?

Berikan satu kepentingan terhadap komposisi udara di atmosfera bumi