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Is there any corrolation between thermal conductivity coefficient and molecular wi

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Jan1-10, 03:51 AM
P: 591
is there any corrolation between thermal conductivity coefficient and molecular wieght Mw

according to the units [K] W/(mĚK) it is independant of mass units (kg or g/mol etc)

in my question i am asked to show with a graph, but i have no idea what graph they are talking about
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Jan2-10, 05:08 AM
Borek's Avatar
P: 23,363
Put thermal conductivity coefficient of Y axis and Mw on X axis and plot data points for any number of substances (the more, the better). Either there will be some obvious correlation or not.

You may also try to make a plot for some selected group of substances, like alkali metals, or metals in general.
Jan2-10, 11:47 AM
P: 591

Al; Cu; Ag; Au; Pb

this is the graph i got
Click image for larger version

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but how do i know if there is any correlation, i know its not linear,

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