Problem 1
Indicate whether the solubility of carbon dioxide gas in soda increases or decreases for each of the following changes. (a) The temperature of the soda increases from \(10^{\circ} \mathrm{C}\) to \(20^{\circ} \mathrm{C}\). (b) The partial pressure of \(\mathrm{CO}_{2}\) increases from \(1 \mathrm{~atm}\) to \(2 \mathrm{~atm}\).
Problem 2
Indicate whether the solubility of carbon dioxide gas in soda increases or decreases for each of the following changes. (a) The temperature of the solution decreases from \(20^{\circ} \mathrm{C}\) to \(10^{\circ} \mathrm{C}\). (b) The partial pressure of \(\mathrm{CO}_{2}\) decreases from \(3 \mathrm{~atm}\) to \(2 \mathrm{~atm}\).
Problem 3
The solubility of nitrogen gas is \(1.90 \mathrm{~mL} / \mathrm{dL}\) of blood at 1.00 atm. What is the solubility of nitrogen gas in a scuba diver's blood at a depth of 125 feet and a pressure of 4.50 atm?
Problem 4
The solubility of nitrogen gas is \(1.90 \mathrm{~mL} / \mathrm{dL}\) of blood at 1.00 atm. What is the solubility of nitrogen gas in a scuba diver's blood at a depth of 225 feet and a pressure of 8.00 atm?
Problem 5
The solubility of nitrous oxide is \(0.12 \mathrm{~g} / 100 \mathrm{~g}\) water at \(20{ }^{\circ} \mathrm{C}\) and 1.00 atm. What is the partial pressure required to dissolve \(0.25 \mathrm{~g}\) of the gas in \(100 \mathrm{~g}\) of water at \(20{ }^{\circ} \mathrm{C} ?\)
Problem 6
The solubility of nitrous oxide is \(0.12 \mathrm{~g} / 100 \mathrm{~g}\) water at \(20^{\circ} \mathrm{C}\) and 1.00 atm. What is the partial pressure required to dissolve \(0.55 \mathrm{~g}\) of the gas in \(100 \mathrm{~g}\) of water at \(20^{\circ} \mathrm{C} ?\)
Problem 7
State whether the solutes and solvents in each of the following combinations are miscible or immiscible. (a) polar solute \(+\) polar solvent (b) polar solute \(+\) nonpolar solvent
Problem 8
State whether the solutes and solvents in each of the following combinations are miscible or immiscible. (a) nonpolar solute \(+\) polar solvent (b) nonpolar solute \(+\) nonpolar solvent
Problem 9
Predict whether each of the following solvents is polar or nonpolar. (a) water, \(\mathrm{H}_{2} \mathrm{O}\) (b) hexane, \(\mathrm{C}_{6} \mathrm{H}_{14}\) (c) acetone, \(\mathrm{C}_{3} \mathrm{H}_{6} \mathrm{O}\) (d) chloroform, \(\mathrm{CHCl}_{3}\)
Problem 10
Predict whether each of the following solvents is polar or nonpolar. (a) isopropyl alcohol, \(\mathrm{C}_{3} \mathrm{H}_{7} \mathrm{OH}\) (b) pentane, \(\mathrm{C}_{5} \mathrm{H}_{12}\) (c) xylene, \(\mathrm{C}_{6} \mathrm{H}_{4}\left(\mathrm{CH}_{3}\right)_{2}\) (d) trichloroethane, \(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{Cl}_{3}\)
