Problem: Estimate the boiling point of diethyl ether at 400 torr.

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We simply need to trace in the graph at what temperature is the boiling point for 400 torr of diethyl ether

  • First, draw a line from 400 torr to the diethyl ether line


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Problem Details


A graph of vapor pressure in torr versus temperature in degrees Celsius shows curves for diethyl ether (normal boiling point 34.6 Celsius at 760 torr), ethanol (normal boiling point 78.3 Celsius at 760 torr), water (normal boiling point 100 Celsius at 760 torr), and ethylene glycol (no normal boiling point listed). The curve for diethyl ether has points (0, 200), (17, 400), (20, 450), (28, 600), (35, 800), (40, 1000). The curve for ethanol has points (0, 10), (20, 15), (40, 160), (48, 200), (60, 340), (64, 400), (72, 600), (80, 800), (82, 1000).

Estimate the boiling point of diethyl ether at 400 torr.

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