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Temperature (K) Vapor Pressure (mm of Hg) 1/T ln VP
278 -7.1 0.003597122 #NUM!
288 20 0.003472222 2.995732
308 91.8 0.003246753 4.519612
0
1
2
3
4
5
6
0.0032 0.00325 0.0033 0.00335 0.0034 0.00345
lnVaporPressure(mmHg)
1/Temperature (K
ln Vapor Pressure vs
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y = -12164x + 44.332
0.0035 0.00355 0.0036 0.00365
/T
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Liquid Molecular weight (g/mol) Vapor Pressure (mm of Hg)
Pentane 72.17 132.99
Octane 114.26 15.7
0
20
40
60
80
100
120
140
72.17
VaporPressure(mmHg)
Vapor Pressu
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114.26
Molecular weight (g/mol)
e vs. Molecular Weight
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