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Topic: vapor pressure in compounds  (Read 4279 times)

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Offline mdlsfreak

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vapor pressure in compounds
« on: April 22, 2007, 08:58:49 PM »
Which compound has the lowest vapor pressure @ room temp. and why?

CH4
CH3CL
CH2CL2
CHCL3
CCL4
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Offline constant thinker

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Re: vapor pressure in compounds
« Reply #1 on: April 22, 2007, 09:38:44 PM »
Read number 4 on this website.
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Offline mdlsfreak

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Re: vapor pressure in compounds
« Reply #2 on: April 23, 2007, 01:38:18 AM »
Quote from: constant thinker on April 22, 2007, 09:38:44 PM
Read number 4 on this website.

... my bad. Well. originally my thoughts were CH4 becuase that compound has the least attractive forces between the bonds

Carbon electornegativity = 2.5
Hydrogen electronegativity = 2.1

so 2.5 - 2.1= 0.4 EN

p.s. It's Extra Credit, not Homework, but I get what you mean. haha :P
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