the vapor pressure of a sample of liquid is measured at several temperatures, and ln(p) vs. 1/t are plotted below. the equation of the line is

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19-12-2022
Chemistry

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the vapor pressure of a sample of liquid is measured at several temperatures, and ln(p) vs. 1/t are plotted below. the equation of the line is

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rafikiedu17 rafikiedu17 · Answer 1 · 2022-12-23T03:47:41-05:00

The vapor pressure of a sample of liquid is measured at several temperatures, and (P) vs. 1/T is plotted. The equation of the line is =(−4889 k)x+19.five enthalpy of vaporization of the liquid =ΔHvap = kJ/mol.

The Clausius-Clapeyron equation also suggests that a plot of ln(p) vs. 1/T must yield a straight line, the slope of that's –ΔH/R (provided that ΔHvap is unbiased of temperature over the range of temperatures concerned.

The vapor strain of a liquid can be measured in an expansion of ways. An easy dimension includes injecting a little of the liquid right into a closed flask related to a manometer. Click right here for an illustration. whilst a solid or a liquid evaporates to fuel in a closed field, the molecules cannot escape.

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