Use the plots in the figure here to rank the three liquids in order of increasing enthalpy ofvaporization.760-Pvap (torr)90080070060050040030020010034.6°Diethyl etherEthanol78.4° 100.0⁰Water0 10 20 30 40 50 60 70 80 90 100Temperature (°C)where the lines cross x = 0In (Pap)Water1/T (K)left plot: vapor pressure at the highest temperature displayedleft plot: vapor pressure at the lowest temperature displayedright plot: relative slopes of the linesDiethyl etherWhich aspects of the two sets of plots are useful for ranking the liquids in terms of enthalpy ofvaporization?-Ethanol

Answer:Here, x is an independent variable, y is a dependent variable, m is the slope of straight line and c is the y-intercept of straight line.Relation between vapor pressure and temperature for an substance is:On comparing this equation with the straight line equation y=mx+c where x is equivalent to and y is equivalent to lnP then, graph between lnP and must be a straight line whose slope m is exactly equal to .So, by finding slope of the straight line from the right side plot we can simply put it equal to and can calculate the value of enthalpy of vaporization.Also, from the same plot we can compare the enthalpy of vaporization where higher the magnitude of slope of straight line, higher will be the value of enthalpy of vaporization of the corresponding liquid.

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Use the plots in the figure here to rank the three liquids in order of increasing enthalpy of vaporization. 760 (1201) d 900 800 700 600 500 400 300 200 100 Diethyl ether Ethanol 78.4% 100.0° Water 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) where the lines cross x = 0 In (Prap) Water- left plot: vapor pressure at the highest temperature displayed left plot: vapor pressure at the lowest temperature displayed Oright plot: relative slopes of the lines 1/T (K) -Diethyl ether Which aspects of the two sets of plots are useful for ranking the liquids in terms of enthalpy vaporization? -Ethanol

Use the plots in the figure here to rank the three liquids in order of increasing enthalpy of vaporization. 760 (1201) d 900 800 700 600 500 400 300 200 100 Diethyl ether Ethanol 78.4% 100.0° Water 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) where the lines cross x = 0 In (Prap) Water- left plot: vapor pressure at the highest temperature displayed left plot: vapor pressure at the lowest temperature displayed Oright plot: relative slopes of the lines 1/T (K) -Diethyl ether Which aspects of the two sets of plots are useful for ranking the liquids in terms of enthalpy vaporization? -Ethanol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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