Answer the following questions using Figure 11.12:
(a) What is the approximate equilibrium vapor pressure of water at 60°C?
(b) At what temperature does water have an equilibrium
vapor pressure of 600 mm Hg?
(c) Compare the equilibrium vapor pressures of water and ethanol at 70°C. Which is higher?

Data given in Figure 11.12

Transcribed Image Text:

Pressure (mm Hg) 1000 800 600 400 200 0 760 mm Hg -20⁰ Diethyl ether 0⁰ 20⁰ Normal BP 34.6 °C Ethanol 40⁰ Temperature (°C) 60° Normal BP 78.3 °C 80⁰ Normal BP 100 °C 100⁰ 120°