The data in the following table were used to create the graph shown below (P vapor pressure of ethanol (CH 3 CH 2 OH) expressed in mm Hg, T kelvin temperature) (a) Derive an equation for the straight line in this graph (b) Describe in words how to use the graph to determine the enthalpy of vaporiza...

a To derive an equation for the straight line in the graph you can use the ClausiusClapeyron equatio ...

The data in the following table were used to create the graph shown below (P = vapor

Question:

The data in the following table were used to create the graph shown below (P = vapor pressure of ethanol (CH₃CH₂OH) expressed in mm Hg, T = kelvin temperature). In P 1/T (K-) 2.30 0.00369 3.69 0.00342 4.61 0.00325 5.99 0.00297 6.63 0.00285

Hg) In P (where P is in mm 8.0 6.0 4.0 52.0 0.002 0.003 0.004 1/T (K-1) 0.005

(a) Derive an equation for the straight line in this graph.
(b) Describe in words how to use the graph to determine the enthalpy of vaporization of ethanol.
(c) Calculate the vapor pressure of ethanol at 0.00°C and at 100°C.

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