Answered: The standard enthalpy of vaporization…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The standard enthalpy of vaporization (H°_vap) of diethylether ((CH₃CH₂)₂O) is 29.1 kJ/mol.
The normal boiling point of diethylether is 34.5°C.
Calculate the vapour pressure of diethylether at 19.0°C.

(Units of pressure can be atm, torr, mmHg, Pa, kPa, bar, etc. -- units are always case sensitive)

Expert Solution

Step 1

This question asks us to find the vapour pressure of diethyl ether at T=19^°C when we have the data about the normal boiling point and the standard enthalpy of vaporization of diethylether.

Any liquid has a vapour pressure of 1atm when it is present at its normal boiling point.

We will use Clausius Clapeyron equation for solving the problem.

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