15. Consider the following What would happen to the level of liquid in the two arms if the semipermeable membrane separating the two sides were permeable to a. H₂O only b. H₂O, Na*, and Cl 1M NaCl H₂O

Match the following aqueous solutions with the appropriate letter from the column on the right.

All of the following are added to five different containers of water, each with the same mass of water. Which resulting solution would yield the highest boiling point? O 2.0 mol of RbSO4 O 4.0 mol of CF4 O 0.5 mol of C5H1005 O 1.0 mol of KBr O 2.0 mol of FeCl, 3.0 mol of NaNO3

Match the following aqueous solutions with the appropriate letter from the column on the right. 1. 0.22 m KI A. Highest boiling point | 2. 7.4×10-2 m Al2(SO)3 B. Second highest boiling point 3. 0.13 m K2S C. Third highest boiling point 4. 0.34 m Glucose(nonelectrolyte) D. Lowest boiling point

A container is divided into two compartmentsby a membrane that is fully permeable to water and small ions.Water is added to one side of the membrane (side A), and a 5%solution of sodium chloride (NaCl) is added to the other (side B). Inwhich direction will water molecules move? In which direction willsodium and chloride ions move? When the concentration is equalon both sides, will diffusion stop?

A solution contains 3.5 mol of glucose (m.w. = 180.156 g mol-1) dissolved in 0.45 L of water. What is the vapor pressure (in atm) of the solution? Po(H2O) = 0.0340 atm; d(H2O) = 1.00 g mL-1 A. 0.03 B. 0.04 C. 0.05 D. 0.02 E. 0.06

Which of the following gases (in different conditions) does have the greatest solubility in water at 25 °C? O a. ethane (CH3CH3) with pressure at 0.40 atm O b. ethane (CH3CH3) with pressure at 0.20 atm Oc. ethane (CH3CH3) with pressure at 0.80 atm d. helium (He) with pressure at 0.40 atm e. helium (He) with pressure at 0.80 atm

A 5.23 X 105 mole protein is dissolved in 31.2 mL of water at 28°C. What is the osmotic pressure of the solution? (R=0.0821 L atm/(K mol)) O 0.0421 atm O 1.71 atm 0.00382 atm O 23.7 atm O 0.041 atm

Match the following aqueous solutions with the appropriate letter from the column on the right. 1. 6.6×10-2 m Al2(SO)3 | 2. 9.0×10-2 m All3 A. Highest boiling point B. Second highest boiling point 3. 0.21 m CoSO4 C. Third highest boiling point 4. 0.39 m Glucose(nonelectrolyte) D. Lowest boiling point

Two aqueous solutions are prepared: 2.0 m Ca(NO3)2 and 2.0 m KBr. Which of the following statements is true?          A. The Ca(NO3)2 solution has a higher vapor pressure and lower freezing point than the KBr solution.   B. The Ca(NO3)2 solution has a lower vapor pressure and higher freezing point than the KBr solution.   C. None of these are correct.   D. The Ca(NO3)2 solution has a higher vapor pressure and higher boiling point than the KBr solution.   E. The Ca(NO3)2 solution has a lower vapor pressure and higher boiling point than the KBr solution.