General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 11 - States of Matter; Liquids and Solids - Questions and Problems - Page 479: 11.36

Answer

Please see the work below.

Work Step by Step

We know that a. Substance A has hydrogen bonding while substance B doesn't have hydrogen bonding. As hydrogen bonding is the stronger intermolecular force, hence the substance A having lower vapor pressure is in the flask on the right. b. The amount of vapor present at $35C^{\circ}$ will be greater in both flasks than the amount present at $20C^{\circ}$, hence substance B will experience a larger increase.
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