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Chemistry Graphs: Charles' Law
Charles' Law states that the
volume
(V) of a confined
gas
is directly proportional to its temperature (T) in Kelvin.
When the temperature changes one unit on the
Kelvin
scale it is equivalent to a change in one Celsius degree; that is, they are in a one-to-one correspondence. Note that 0 on the Kevin
scale
represents "Absolute Zero" or -273 ºC.
Use the following
graph
of
Volume
vs. Temperature to answer the next four questions.
General Questions
As the temperature of the
gas
increases from 250 K to 350 K, does the
volume
of the
gas
increase or decrease?
1.
What is the
volume
of this
gas
sample when its temperature is 300 K?
2.
What is the temperature of the
gas
when it occupies a
volume
of 250 mL?
3.
If 0.05 moles of
gas
are present in our sample, use the
slope
of the
line
to determine the constant pressure that was exerted on the
gas
during this experiment.
4.
M Aumiller
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