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Question 6 4 pts Identify the colligative property. A) vapor pressure elevation B) Henderson-Hasselbalch elevation C)...
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...
4 pts Question 15 Identify the place which has the highest boiling point of water. A) Death Valley, 282 feet below sea level B) a pressurized passenger jet, 35,000 feet C) New Orleans, sea level D) Mt. Everest, 29,035 feet OD OB ос ОА 4 pts Question 16
l of the following is NOT a colligative property' (A) freezing point depression (C) boiling point elevation (B) osmotic pressure D) atmospheric pressure (E) vapor pressure lowering 3. From the following list of aqueous solutions and ater seleet hon wih he isin point. (A) pure water (C) 0.75 M CuCl2 (B) 0.75 M NaC (D) 1.0 M KNO3 (E) 2.0 M Chad,\ (sucrose) . What is defined the selective passage of solvent molecules through a porous membrane from a more...
Question 9 4 pts Which of the following species is amphoteric? A) CO32- B) HF C) NH* D) HPO 2 ОА OD OB Ос 4 pts Question 10
Question 14 4 pts In which substance does bromine have an oxidation number of +1? A) Br2 B) HBrO C) HBrO2 D) HBr OB OC OD ОА 4 pts Question 15 Identify the place which has the highest boiling point of water.
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...
4 pts Question 8 Choose the aqueous solution that has the lowest boiling point. These are all solutions of nonvolatile. A) 0.20 m NaNO2 B) 0.20 m K2PO4 C) 0.20 m C6H1206 D) 0.20 m KAl(SO4)2 ОА ОВ Ос OD 4 pts Question 9
Question 5 4 pts Choose the pair of substances that are most likely to form a homogeneous solution. A) CH3CH2NH2 and CH3CH2OH B) KI and Hg C) LiCl and CH 14 D) C3Hg and C2H5OH OB ОА Ос OD 4 pts Question 6
Question 16 4 pts Which changes is endothermic? A) CO2(g) → CO2(s) B) CO2(g) CO2(0) C) CO2(s) - CO2(g) D) CO2(0) CO2 (s) - → Ос ОА OB OD 4 pts Question 17
Question 13 4 pts Which of the following hydrocarbons has one pi bond and one cycloalkane? A) C6H8 B) C5Hg C) C3H8 D) C4H8 OB ОА Ос OD 4 pts