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The Vapour Pressure P of Liquid Diethyl Ether, (C2H5)2O, May

Question 12

Multiple Choice

The vapour pressure p of liquid diethyl ether, (C2H5) 2O, may be calculated for different temperatures T using the expression
Log (p/bar) =A-B/T
Where, for the temperature range 24 to 48 °C, A = 4.743 and B = 1466.30 K. What is the vapour pressure of liquid diethyl ether at 25 °C?


A) 1.01 bar
B) 4.74 bar
C) 0.175 bar
D) 0.668 bar

Correct Answer:

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