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Density

Properties of water at saturation pressure
Tep. Deg. F	Pressure lb/sq.inch (abs)	Specific Volume		Density
		sq. ft.	gal/lb	lb/cubic ft	gr/cubic cm
32	.0885	.01602	.1198	62.42	.9999
33	.0922	.01602	.1198	62.42	.9999
34	.0960	.01602	.1198	62.42	.9999
35	.1000	.01602	.1198	62.424	1.0000
36	.1040	.01602	.1198	62.425	1.0000
37	.1082	.01602	.1198	62.426	1.0000
38	.1126	.01602	.1198	62.426	1.0000
39	.1171	.01602	.1198	62.426	1.0000
40	.1217	.01602	.1198	62.426	1.0000
41	.1265	.01602	.1198	62.426	1.0000
42	.1315	.01602	.1198	62.425	1.0000
43	.1367	.01602	.1198	62.424	1.0000
44	.1420	.01602	.1198	62.42	.9999
45	.1475	.01602	.1198	62.42	.9999
46	.1532	.01602	.1198	62.42	.9999
47	.1591	.01603	.1199	62.42	.9999
48	.1653	.01603	.1199	62.41	.9998
49	.1716	.01603	.1199	62.41	.9998
50	.1781	.01603	.1199	62.41	.9997
51	.1849	.01603	.1199	62.41	.9997
52	.1918	.01603	.1199	62.40	.9996
53	.1990	.01603	.1199	62.40	.9996
54	.2064	.01603	.1199	62.40	.9995
55	.2141	.01603	.1199	62.39	.9994
56	.2220	.01603	.1199	62.38	.9993
57	.2302	.01603	.1199	62.38	.9993
58	.2386	.01604	.1200	62.38	.9992
59	.2473	.01604	.1200	62.37	.9991
60	.2563	.01604	.1200	62.37	.9990

Temperature Conversions Around the World Enter a number in any field, then click outside the field
Farenheit:         Celsius:  Based on the formula Farenheit = (Celsius * 1.8 + 32)
Kelvin:         Celsius:

Now to the question: Is moist air lighter than dry air?
Although liquid water is about 800 times denser that gaseous air we are dealing with water in the vapor form
Water Chemical Formula H20
Molecular weight of Hydrogen = 1
Molecular weight of Oxygen = 16
so
Water = 1+1+16 =18
Air Chemical Formula (21% Oxygen O2 + 79% Nitrogen N2)
Molecular weight of Oxygen = 16
Molecular weight of Nitrogen = 14
so
Air (21% *(16+16) + 79%*(14+14)) = 28.84
or almost double that of water vapor.

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