Check Your Understanding Ch. 12 Survey Mozilla Firefox 4 x Y chegg Yahoo Search
ID: 512624 • Letter: C
Question
Check Your Understanding Ch. 12 Survey Mozilla Firefox 4 x Y chegg Yahoo Search Res... x c chegg Study I ded sol... x Lib Lecture 6 (an 26) Chapt... X Check: Your Understand X Survey Monkey Inc (US https://www. soe e Q. Search urvey monkey com/ Most visited o UoIT 3 Tinct 3 Blackboard t MyCa New Tab d Library ITsc mp 4. Which of the following is a true statement regarding the effects of pressure on solubility? ased press ubility of solida O Inareased pressure inocascs the ubility of g in liquids the solubility there apparent trend 5. Which of the following is not a colligative property of a solution? O The pour pressure of a solution is lower than the pure solvent he boiling point of the soluti higher than the pure O The freezing point of the solution is lower than the pure solvent O The solubility of a solute would be higher than in the pure solvent 6. If a solution is made up of 3 volatile liquids, the total vapour pressure would be equal to the addition of the partial pressure for each liquid. 7. If you make a solution using CaCl2 as the solute, what would the value of the v'ant Hoff factor (i be? Click to add notes 849 PM 4/16/2017Explanation / Answer
Since no specific request has been made, question no.4 is being answered.
Pressure has no effect on the solubility of solids or liquids unlike Temperature. However, the solubility of gas increases is dependent on the partial pressure of the gas above the liquid surface. Keep in mind dissolution is an equilibrium process,. Since increasing pressure will increase the concentration of gas molecules per unit volume above the surface of liquid, the solubility of the gas in the liquid also increases.
This forms the basis of Henry's Law. (C = kP) where
C is the concentration of the dissolved gas at equilibrium
k is Henry's law constant
P is the partial pressure of the gas.
Therefore the answer is (B). Increased pressure increases the solubility of gases in liquids.