Vapor pressure (mm Hg) 900 800 700 600 500 400 300 200 100 0 Carbon disulfide, 10 20 30 Methanol 40 Ethanol 50 Temperature (°C) Heptane 60 70 80 90 100 110 The vapor pressure of chloroform is 400 mm Hg at 42.0 °C. From the plot of vapor pressures vs temperature above, estimate the temperature at which the vapor pressure of methanol is 400 mm Hg. °℃ The heat of vaporization of chloroform would be expected to be than the heat of vaporization of methanol.

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K 12

Vapor pressure (mm Hg)
900
800
700
600
500
400
300
200
100
0
Carbon disulfide,
10 20 30
Methanol
40
Ethanol
Heptane
50
60 70 80 90
Temperature (°C)
100 110
The vapor pressure of chloroform is 400 mm Hg at 42.0 °C. From the plot of vapor pressures vs temperature above, estimate the
temperature at which the vapor pressure of methanol is 400 mm Hg.
°℃
The heat of vaporization of chloroform would be expected to be
than the heat of vaporization of methanol.
Transcribed Image Text:Vapor pressure (mm Hg) 900 800 700 600 500 400 300 200 100 0 Carbon disulfide, 10 20 30 Methanol 40 Ethanol Heptane 50 60 70 80 90 Temperature (°C) 100 110 The vapor pressure of chloroform is 400 mm Hg at 42.0 °C. From the plot of vapor pressures vs temperature above, estimate the temperature at which the vapor pressure of methanol is 400 mm Hg. °℃ The heat of vaporization of chloroform would be expected to be than the heat of vaporization of methanol.
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