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The vapor pressure of liquid benzene at a given temperaturecan be computer from

ID: 690138 • Letter: T

Question

The vapor pressure of liquid benzene at a given temperaturecan be computer from the following empirical formula.    log(P/torr) = -1784.8 / (T/K) + 7.962 Similarly, the vapor pressure of solid benzene is given byfollowing equation.    log(P/torr) = -2309.7 / (T/K) + 9.846 which of the phases of benzene, solid or liquid, is the morestabel phase at 10 c (celsius)? At what temperature are solid,liquid, and vapor all inequilibrium? The vapor pressure of liquid benzene at a given temperaturecan be computer from the following empirical formula.    log(P/torr) = -1784.8 / (T/K) + 7.962 Similarly, the vapor pressure of solid benzene is given byfollowing equation.    log(P/torr) = -2309.7 / (T/K) + 9.846 which of the phases of benzene, solid or liquid, is the morestabel phase at 10 c (celsius)? At what temperature are solid,liquid, and vapor all inequilibrium?

Explanation / Answer

Hey! I'm guessing you have Prof. Tolbert? One thing that makes this problem a lot easier is that "T/K" isjust one variable "T" for temperature, in Kelvins. So all youdo is plug in (10 C + 273 K) = 283 K in the denominator. Theanswer with the lower Pressure in torr is the one that is morestable. For the second part, you simply set the equations equal to eachother and solve for T. I put my answer in both K andCelsius.