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Expansivity against temperature graph

by Outrageous
Tags: expansivity, graph, temperature
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Outrageous
#1
Nov13-12, 08:42 AM
P: 375
β = 1/T
from the equation, T increase ,β should decrease.
But refer to graph,
http://www.sciencedirect.com/science...25540809001081
Why β increase as temperature increase?
thank you.
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mfb
#2
Nov13-12, 09:50 AM
Mentor
P: 12,037
##\beta=\frac{1}{T}## is a relation for ideal gases. MgO is not an ideal gas.


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