The Clausius-Clapeyron Equation establishes a quantitative relationship between vapor pressure and temperature.
P is the vapor pressure of the species at temperature T
∆Hvap is the enthalpy of vaporization
R is the universal gas constant
T is the temperature in Kelvin
C is an integration constant
Suppose the vapor pressure of a substance is measured at two different temperatures.
By using the Clausius-Clapeyron equation, , derive the relationship between the vapor pressures, P1 and P2, and the absolute temperatures at which they were measured, T1 and T2.
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