POLS 1402 Lecture 22: 6_2 Maxwell Boltzman Dist WS

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23 Feb 2021
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Course
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DP Chemistry
6.2 Maxwell-Boltzmann Distribution
The three lines on the graph are the
same gas (both type and amount) for
different temperatures. I will refer to
them as either solid, (-100), dashed (20)
and dotted (600). The Y-axis is the
number of molecules that have a
given speed.
1) Why is speed equivalent to
temperature?
2) Do all molecules at the same
temperature…
a. have the same speed?
Y/N
b. have the same average
speed? Y/N
3) State three differences in the size/shape of the curve for higher temperatures.
4) How many molecules have the following speeds:
Speed
Number of gas particles
(SOLID LINE)
Number of gas particles
(DASHED LINE)
Number of gas particles
(DOTTED LINE)
200
400
600
5) Will the area under the solid line = the area under the dashed line? Will either equal the area under the
dotted line?
6) Draw slanted lines in the area that corresponds to all the molecules that have speeds of 600 m/s or greater
for the solid line graph.
7) Using a different kind of shading (slanted lines the other direction, etc.), show all the molecules that have
speeds of 600 m/s or great for the dashed lines and dotted lines.
8) Which temperature has the most molecules with speeds above 600 m/s?
This worksheet is from mwiseman.com
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