A scuba diver begins to surface carrying a tank containing 4.0 L of a gas at 730 mm Hg. What volume will the gas occupy at 760 mm Hg?

O A. 3.8 L

OB. 4.2 L

O C. 120 mm Hg

O D. 920 mm Hg

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.