McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

If the left side of the beaker has a greater concentration of urea than does the right side, what statement is true?

A. Water will leave the left side of the beaker by osmosis and join the right side of the beaker.
B. Water will be exchanged between both sides of the beaker, but there will be no net change in the amount of water on either side.
C. Water will be exchanged from the left side of the beaker to the right by facilitated diffusion.
D. Water will leave the right side of the beaker by osmosis and join the left side of the beaker.


2. What is the effect if the solute is polar?

A. The polar solute repels the water molecules.
B. The polar solute binds up the polar water molecules, effectively increasing the osmotic pressure on the left side of the beaker.
C. The polar solute dissolves more readily in the water and has no effect different from a nonpolar solute.
D. The polar solute does not dissociate in water to any appreciable degree.
Copyright ©2000 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.
For further information about this site contact mhhe_webmaster@mcgraw-hill.com Corporate Link