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What must be subtracted from each pressure measurement in order to determine the vapor pressure of the liquid?
Atmospheric pressure
units of R used in this experiment
J/mol K
the partial pressure of the vapor exerted above the surface of the liquid
Vapor pressure
the temperature at which the vapor pressure of a liquid is equal to the external pressure of the atmosphere above the liquid
Boiling point
X-axis
1/T
Y axis
ln(VP)
Slope equal to
-(Delta Hvap/R)
Equation
q=mc(Tfinal-Tinitial)
Then distribute
Set equal