Chapter 9: Q. 9.85 (page 317)
Why does iodine dissolve in hexane, but not in water?
Although iodine is a non-polar molecule. As the result it will absorb in hexane but not in water.
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Water is a polar solvent and hexane is a nonpolar solvent. In which solvent is each of the following, which is found or used in the body, more likely to be soluble?
a. vegetable oil, nonpolar
b. oleic acid (lipid), nonpolar
c. niacin (vitamin ), polar
d. (iron supplement), ionic
A albumin solution is separated from a albumin solution by a semipermeable membrane. (Albumin is a colloid.)
a. Which compartment has the higher osmotic pressure?
b. In which direction will water flow initially?
c. In which compartment will the volume level rise?
Classify the solute represented in each of the following equations as a strong, weak, or nonelectrolyte:
a.
b.
c.
Write a balanced equation for the dissociation of each of the following strong electrolytes in water:
a.
b.
c.
d.
Write a balanced equation for the dissociation of each of the following strong electrolytes in water:
a.
b.
c.
d.
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