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, in part i)
we are to determine the pressure due to the vapor at the two different temperatures
using the ideal gas law. This type of problem should be recognized as a change
of condition problem. The variables are pressure and temperature so the important
equation to calculate the new pressure is,
P1/T1
= P2/T2
To calculate the pressure
due to the vapor at degrees celsius we need to
use the data in the table below. Using the equation above we solve for the new
pressure.
.
Initial Pressure
|
Initial Temperature (K)
|
Final Pressure
|
Final Temperature (K)
|
P1 =
mmHg
|
T1
= 273 K
|
P2 =
|
T2
= 273 K
|
P2 = (P1
* T2)/T1 = *273/273
= 0 mmHg mmHg
To calculate the pressure
due to the vapor at degrees Celsius we need
to use the data in the table below.
.
Initial Pressure
|
Initial Temperature (K)
|
Final Pressure
|
Final Temperature (K)
|
P1 =
mmhg
|
T1
= 273 K
|
P2 =
|
T2
= 273 K
|
P2 = (P1
* T2)/T1 = *273/273
= 0 mmHg mmHg
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