4. One version ofthe Clausius-Clapeyron equation is provided below, in a form th

Question

4. One version ofthe Clausius-Clapeyron equation is provided below, in a form that resembles the equation of a line, y-mx + b R is the gas constant (8.314 J mole i K !), P is the vapor pressure at a specific temperature, , is the enthalpy of vaporization for the compound, and Tk is the temperature corresponding to the vapor pressure, in Kelvin vap Answer the following questions in terms of Pvap, T, AHap, R and C To generate a linear graph with vapor pressure and temperature data, what values should be graphed on the x and y axes? a. X-axes y-axes Explain how you would determine the enthalpy of vaporization after collecting vapor pressure measurements at various temperatures. Be specific and detailed. b.

Explanation / Answer

The clausius clapeyron graph has:

y - axes = ln Pvap

x - axes = 1 / Tk

If you plot these values you will get an straight line

the slope of this line is - DeltaH vap/R

you just need to multiply the value of the slope by - R

R is gas constant

*if this answer is helpful dont forget to rate it =)

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