Homework Answers
Ans 2 ; F) atmospheric pressure
The colligative properties are the one that depend on the amount of substance added and not its nature.
Here atmospheric pressure is not a colligative property rest all others are.
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l of the following is NOT a colligative property' (A) freezing point depression (C) boiling point...
Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing...
Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added. The vapor pressure of a volatile liquid above its solution decreases as more solute is added O a. I and III b. All of these O c. I and II d. I only e. Il and III AN! Absorption & Concentration...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pur...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pure Solvents Water Ethanol Benzene | Ke rc/m ) 0.512 1.19 2.65 1.86 1.99 -5.12 will have a smaller colligative affect.) d. the highest vapor pressure? e. the lowest freezing point? a. the highest boiling point? b. the highest freezing point? c. the lowest osmotic pressure? 6. Calculate...
Question 6 4 pts Identify the colligative property. A) vapor pressure elevation B) Henderson-Hasselbalch elevation C)...
Question 6 4 pts Identify the colligative property. A) vapor pressure elevation B) Henderson-Hasselbalch elevation C) boiling point elevation D) freezing point elevation ОА Ос OD OB 4 pts D Question 7
11. Colligative properties. 75.0g of KBr is dissolved in 75.8mL of H,O and (P (H0-23.8 torr),...
11. Colligative properties. 75.0g of KBr is dissolved in 75.8mL of H,O and (P (H0-23.8 torr), boiling point, freezing point, and osmotic pressure Proto 1.00g/mL Find the vapor pressure of water of the solution. a. V.P. H2: d. О.Р.: 12. Mechanisms. Complete the table then answer the questions below: Step Elementary Reaction Elementary Rate Law Relative Rate 2A C C+B → D D→B+E Slow Fast Very Fast a. What is the balanced chemical equation? List all species that are reactants:...
B) depression of the freezing poirit l C) an increase in the osmotic pressure of a...
B) depression of the freezing poirit l C) an increase in the osmotic pressure of a solution D) upon th the increase of reaction rates with increase in temperature E) depression of vapor pressure upon addition of a solute to a solvent 100 90 80 S 60 50 E 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature (C) 8) A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water...
Which of the following is TRUE regarding dissolving a salt in water? a) The boiling point...
Which of the following is TRUE regarding dissolving a salt in water? a) The boiling point of the solution is lower than that of pure water. b) The freezing point of the solution is higher than that of pure water. c) The vapor pressure of a solution of NaCl will be higher than that of a solution of CaCl2. d) The osmotic pressure will increase as the molarity of the solution increases. e) All of these are true.
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...
1. 3.0g ammonia and 97.0g of water are mixed. Find (assume density of the solution is...
1. 3.0g ammonia and 97.0g of water are mixed. Find (assume density of the solution is 1 a. Boiling point of the solution. K-0.51°C/m K-1.86 °C/m b. The freezing point of the solution c. The osmotic pressure of the solution. d. The vapor pressure of the solution. e. Which compound is the solvent? Which compound is the solute? 2. The Henry's law constant for methylamine (CH NH2) is 36M/bar. What is the equilibrium vapor pressure of methylamine over a solution...
4) For each of the following questions circle the correct answer. There is one and only...
4) For each of the following questions circle the correct answer. There is one and only one correct answer per problem.[5 points each] a) A colligative property whose value depends directly on the mole fraction of solute particles osmotic pressure boiling point elevation freezing point depression vapor pressure lowering b) An example of a strong soluble base Cu(OH)2 AgOH Pb(OH)4 Ba(OH)2 c) A cation that is expected to act as a weak acid in water Mg?"(aq) Pb(aq) Ag (aq) Kaq...
4) For cach of the following questions circle the correct answer. There is one and only...
4) For cach of the following questions circle the correct answer. There is one and only one correct answer per problem. [5 points each] a) A colligative property whose value depends directly on the mole fraction of solute particles boiling point freezing point vapor pressure osmotic pressure elevation depression lowering b) An example of a strong soluble base Agон Ba(OH) Cu(OH)2 Pb(OH). c) A cation that is expected to act as a weak acid in water Ag (aq) K(aq) Mg(aq)...
Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added. The vapor pressure of a volatile liquid above its solution decreases as more solute is added O a. I and III b. All of these O c. I and II d. I only e. Il and III AN! Absorption & Concentration...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pure Solvents Water Ethanol Benzene | Ke rc/m ) 0.512 1.19 2.65 1.86 1.99 -5.12 will have a smaller colligative affect.) d. the highest vapor pressure? e. the lowest freezing point? a. the highest boiling point? b. the highest freezing point? c. the lowest osmotic pressure? 6. Calculate...
Question 6 4 pts Identify the colligative property. A) vapor pressure elevation B) Henderson-Hasselbalch elevation C) boiling point elevation D) freezing point elevation ОА Ос OD OB 4 pts D Question 7
11. Colligative properties. 75.0g of KBr is dissolved in 75.8mL of H,O and (P (H0-23.8 torr), boiling point, freezing point, and osmotic pressure Proto 1.00g/mL Find the vapor pressure of water of the solution. a. V.P. H2: d. О.Р.: 12. Mechanisms. Complete the table then answer the questions below: Step Elementary Reaction Elementary Rate Law Relative Rate 2A C C+B → D D→B+E Slow Fast Very Fast a. What is the balanced chemical equation? List all species that are reactants:...
B) depression of the freezing poirit l C) an increase in the osmotic pressure of a solution D) upon th the increase of reaction rates with increase in temperature E) depression of vapor pressure upon addition of a solute to a solvent 100 90 80 S 60 50 E 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature (C) 8) A sample of potassium nitrate (49.0 g) is dissolved in 101 g of water...
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...
1. 3.0g ammonia and 97.0g of water are mixed. Find (assume density of the solution is 1 a. Boiling point of the solution. K-0.51°C/m K-1.86 °C/m b. The freezing point of the solution c. The osmotic pressure of the solution. d. The vapor pressure of the solution. e. Which compound is the solvent? Which compound is the solute? 2. The Henry's law constant for methylamine (CH NH2) is 36M/bar. What is the equilibrium vapor pressure of methylamine over a solution...
4) For each of the following questions circle the correct answer. There is one and only one correct answer per problem.[5 points each] a) A colligative property whose value depends directly on the mole fraction of solute particles osmotic pressure boiling point elevation freezing point depression vapor pressure lowering b) An example of a strong soluble base Cu(OH)2 AgOH Pb(OH)4 Ba(OH)2 c) A cation that is expected to act as a weak acid in water Mg?"(aq) Pb(aq) Ag (aq) Kaq...
4) For cach of the following questions circle the correct answer. There is one and only one correct answer per problem. [5 points each] a) A colligative property whose value depends directly on the mole fraction of solute particles boiling point freezing point vapor pressure osmotic pressure elevation depression lowering b) An example of a strong soluble base Agон Ba(OH) Cu(OH)2 Pb(OH). c) A cation that is expected to act as a weak acid in water Ag (aq) K(aq) Mg(aq)...
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