Lab Nine
The Ideal Gas Law and Absolute Zero
Purpose:
In this lab our goal is to determine the relationship between pressure and the volume of gas and
describe this relationship into a mathematical equation.
Second, our goal is to study the relationship
between the temperature of a gas sample and the pressure it exerts and to codify this relationship into a
mathematical equation.
Finally, our last goal in this experiment is to find the value for Absolute Zero on
the Celsius temperature scale.
Data and Calculations:
Part One:
Volume (mL)
Pressure (kPa)
5.8
163.59
7.8
119.50
9.8
95.99
11.8
78.65
13.8
67.63
15.8
58.62
17.8
52.03
19.8
47.10
Interpole Data
Volume (mL)
Pressure (kPa)
5.0
187.70
10.0
93.61
15.0
62.45
20.0
46.86
•
When the volume doubled from 5.0 mL to 10.0 mL, the pressure was just about cut in half from
187.70 to 93.61, respectively.
•
When the volume was halved from 20.0 mL to 10.0 mL, the pressure was doubled from 46.86 to
93.61
•
When the volume was tripled from 5.0 mL to 15.0 mL, the preesure was didvided by three from
187.70 to 62.45
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 Spring '08
 ZINK
 Physics, Absolute Zero, Combined Gas Law, Boyle law

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