Homework Answers
9) By increasing temperature solubility of solid solute in the solution (c) is correct option
10) a saturated solution will form
11) according to Henry's law solubility of a gas increases with pressure ((b) is correct
12) mass percent = 50×100/200
=> 25.0 %
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9) An increase in the temperature of a solution usually A) increases the boiling point. B)...
Question 14 1 pts Why is the boiling point of an aqueous solution higher than the...
Question 14 1 pts Why is the boiling point of an aqueous solution higher than the boiling point of pure water? Because the temperature increases Because the liquid/gas equilibrium slope is positive on the phase diagram Because the total pressure decreases due to the solute o Because the vapor pressure decreases due to the solute None of the options explain why the boiling point increases
As you increase the gas chromatography column temperature, analytes’ ______________ increases and stationary phase solubility _______________....
As you increase the gas chromatography column temperature, analytes’ ______________ increases and stationary phase solubility _______________. A) boiling point; increases B) vapor pressure; decreases C) vapor pressure; increases D) retention time; increases E) retention time; decreases
Question #12 10) The technique of recrystallization involves dissolving a crude solute in a minimum amount...
Question #12
10) The technique of recrystallization involves dissolving a crude solute in a minimum amount of solvent to create a followed by of the solute into a more pure form. A) saturated solution; condensation B) unsaturated solution; evaporation C) supersaturated solution, recrystallization D) concentrated solution; deposition E) dilute solution; reformation 11) 11) Which of the following statements is TRUE? A) In general, the solubility of a gas in water decreases with increasing temperature. B) In general, the solubility of...
6. 15) The solubility of KI is 50 g in 100 g of H20 at 20...
6. 15) The solubility of KI is 50 g in 100 g of H20 at 20 °C. If 110 grams of KI are added to 200 grams of H20, A) all of the KI will dissolve. B) the solution will freeze. C) the solution will start boiling. D) a saturated solution will form. E) the solution will be unsaturated.
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute...
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute is called: A) an unsaturated solution B) a dilute solution C) a supersaturat ed solution D) a concentrated solution E) a saturated solution F) vant Hoff solution G) none of the above are correct H) all of the above are correct 2. Which of the following statements is generally TRUE? A) The solubility of a solid is not dependent on either temperature or pressure....
massa volum volum mo olu 5. In which of the following solvents would you expect KBr...
massa volum volum mo olu 5. In which of the following solvents would you expect KBr to be most soluble? a) CH4 (hexane) d) CCM (carbon tetrachloride) b) CH CH OH (ethanol) e) C.Hz (cyclohexane) c) CH. (benzene) ___6. A 9.50 % by mass solution of acetone (C,H,O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution? a) 0.621 M b) 1.61 Me) 1.66 Md ) 1.71 M e ) 16.9 M...
C) semiconductor D) nonconductor strong electrolyte 10. When some of the sugar added to iced tea...
C) semiconductor D) nonconductor strong electrolyte 10. When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is A) dilute B) polar C) nonpolar D) saturated unsaturated 11. The solubility of KI is 50 g in 100 g of H20 at 20 °C. If 110 grams of KI are added to 200 gram H20,- A) all of the KI will dissolve B) the solution will freeze C) the solution will start...
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
Chapter 9 HOMEWUIN 1) As the temperature of a liquid solvent increases, the amount of solute...
Chapter 9 HOMEWUIN 1) As the temperature of a liquid solvent increases, the amount of solute that can dissolve in it a. decreases by one degree Celsius for every milliliter of solvent. b. increases. C. decreases. d. remains constant. 2) The part of the solution that dissolves what is being put into the solution is called the a. solvent b. solute c. precipitant 3) A solution is dilute if it a. has a lot of solute. b. has little solute....
Saturated, Unsaturated & Supersaturated Solutions Solution, in which the concentration of solute is that determined by...
Saturated, Unsaturated & Supersaturated Solutions Solution, in which the concentration of solute is that determined by its solubility (at given temperature) is called SATURATED solution. One cannot add more solute to such a solution. We also say that a saturated solution is in equilibrium with pure solute: If we add solid Nacl to an already saturated solution of NaCl, that solid remains in equilibrium with dissolved Naci. Solution containing less solute than would be in the saturated solution, is UNSATURATED...
Question 14 1 pts Why is the boiling point of an aqueous solution higher than the boiling point of pure water? Because the temperature increases Because the liquid/gas equilibrium slope is positive on the phase diagram Because the total pressure decreases due to the solute o Because the vapor pressure decreases due to the solute None of the options explain why the boiling point increases
Question #12
10) The technique of recrystallization involves dissolving a crude solute in a minimum amount of solvent to create a followed by of the solute into a more pure form. A) saturated solution; condensation B) unsaturated solution; evaporation C) supersaturated solution, recrystallization D) concentrated solution; deposition E) dilute solution; reformation 11) 11) Which of the following statements is TRUE? A) In general, the solubility of a gas in water decreases with increasing temperature. B) In general, the solubility of...
6. 15) The solubility of KI is 50 g in 100 g of H20 at 20 °C. If 110 grams of KI are added to 200 grams of H20, A) all of the KI will dissolve. B) the solution will freeze. C) the solution will start boiling. D) a saturated solution will form. E) the solution will be unsaturated.
1. A solution in which the dissolved solute is in dynamic equilibrium with the solid solute is called: A) an unsaturated solution B) a dilute solution C) a supersaturat ed solution D) a concentrated solution E) a saturated solution F) vant Hoff solution G) none of the above are correct H) all of the above are correct 2. Which of the following statements is generally TRUE? A) The solubility of a solid is not dependent on either temperature or pressure....
massa volum volum mo olu 5. In which of the following solvents would you expect KBr to be most soluble? a) CH4 (hexane) d) CCM (carbon tetrachloride) b) CH CH OH (ethanol) e) C.Hz (cyclohexane) c) CH. (benzene) ___6. A 9.50 % by mass solution of acetone (C,H,O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution? a) 0.621 M b) 1.61 Me) 1.66 Md ) 1.71 M e ) 16.9 M...
C) semiconductor D) nonconductor strong electrolyte 10. When some of the sugar added to iced tea remains undissolved at the bottom of the glass, the solution is A) dilute B) polar C) nonpolar D) saturated unsaturated 11. The solubility of KI is 50 g in 100 g of H20 at 20 °C. If 110 grams of KI are added to 200 gram H20,- A) all of the KI will dissolve B) the solution will freeze C) the solution will start...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
Chapter 9 HOMEWUIN 1) As the temperature of a liquid solvent increases, the amount of solute that can dissolve in it a. decreases by one degree Celsius for every milliliter of solvent. b. increases. C. decreases. d. remains constant. 2) The part of the solution that dissolves what is being put into the solution is called the a. solvent b. solute c. precipitant 3) A solution is dilute if it a. has a lot of solute. b. has little solute....
Saturated, Unsaturated & Supersaturated Solutions Solution, in which the concentration of solute is that determined by its solubility (at given temperature) is called SATURATED solution. One cannot add more solute to such a solution. We also say that a saturated solution is in equilibrium with pure solute: If we add solid Nacl to an already saturated solution of NaCl, that solid remains in equilibrium with dissolved Naci. Solution containing less solute than would be in the saturated solution, is UNSATURATED...
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