1. Compared to oxygen, nitrogen's __________ makes it more difficult for water molecules to the surround nitrogen molecules.
2. The high solubility of sulfur dioxide can be explained by its ____________.
3. Nitric oxide is more soluble than nitrogen and oxygen because of its _______________.
4. Compared to nitrogen, the ___________ of ethylene makes it more soluble in water.
CHOICES are:
a. shorter bond length
b. ability to react with water
c. larger molecular size
d. polarity
answers: a, b, d, c.