2007-10-08 06:56:07 · 3 answers · asked by Kai K 1 in Science & Mathematics ➔ Engineering
4 cubic meters of air = 141.2587 cubic feet
! cubic foot of dry air at standard conditions = 0.0752 lb/ft^3
141.2587 cubic feet of air weighs 141.2587*0.0752 = 10.633lb
!0.633 lb = 4.82 Kilos
2007-10-08 13:47:40 · answer #1 · answered by gatorbait 7 · 0⤊ 0⤋
one million m^3 of water has a mass of one million tonne = one thousand kg quantity of sawater = (4*10^20)/one thousand = 4*10^17 cubic metres Mass of gold obtainable interior the sea = 6*10^-6 X 4*10^17 = 24 * 10^11 = 2.4 *10^12 g = 2.4 *10^9 kg b) one million m^3 = one million,000 litres quantity of seawater = 4*10^20 litres kg (gold)/ litre = 2.4*10^9 / 4*10^20 = 6*10^-12 litres / 1kg(gold) = one million/[6*10^-12) = one million.sixty seven * 10^11
2016-12-14 11:14:10 · answer #2 · answered by inabinet 4 · 0⤊ 0⤋
If there is no moisture, then it would be 4 x 1.18.
If there is any moisture, then you need to know the humidity and temperature and look that up in your steam table
2007-10-08 07:05:40 · answer #3 · answered by Michael W 3 · 1⤊ 0⤋