![22] KBr boric MgCl2 CH CHLOH H-Bond bric forces Paz , BF3 dipole- dipole a b.w 23] ATf = To-Ti= b (16.8-13-6) = 3.32 3.32 15.](http://img.homeworklib.com/questions/2ba92e50-9fff-11ec-8cb4-ff48331ae02b.png?x-oss-process=image/resize,w_560)
Pane 22. Which of the following will exhibit dipole-dipole force? A. KBr B. CH,CH OH 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...
Hydrogen bonds are essentially a stronger version of which int force? 5. a. Ion-dipole forces b. London forces c. Dipole-dipole foces d. lon-ion forces 6. Increasing the pressure by 1000-fold on a solid or liquid dramatically decreases its volume. a. causes it to undergo thermal expansion. b. significantly decreases the density. c. does not have a significant effect on the volume. d. 7. A gas at 550 torr and 1.2 liters is allowed to expand to 4.3 liters. What is...
4. An aqueous solution is 20.% glucose by mass (d = 1.078 g/mL at 20 °C). Calculate the following: (Some useful constants for water: Kr = 1.86 °C/m and Ko = 0.512 °C/m) [-2.6°C] a) freezing point [100.71 °C] b) boiling point at 1 atm c) osmotic pressure (29 atm]
8. What is the final boiling point of a 1.25 molal solution of sugar in water? The Kb for water is 0.512 C/m. (For sugar i = l.) 9. A solution was prepared by dissolving 0.52 mol hexane into 400g CCl4. What is the change in freezing point of this solution? Carbon tetrachloride has a freezing point depression constant of 29.8 Cm,and freezes at-23。. 10. A solution was prepared by dissolving 0.26 moles of ethanol (C2HsOH) into 750g Diethyl ether....
37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct C. volume and temperature B. pressure and temperature 38. Determine what the pressure is inside of a 15.01 container holding 3.5 moles of Ha gas at 298. 15 K. E.5.7 atm A. 4.8 atm D. 1.4 atm 8.110 atm C. 86 atm 39. If volume and the amount of gas within a container remains constant, what will happen to the...
37. Which of the following pairs does NOT exhibit a direct relationship? A pressure and volume D. all are direct B. pressure and temperatureC. volume and temperature 38. Determine what the pressur is inside of a 15.0L container holding 3.5 moles of H gas at 298.15 . E. 5.7 atm D. 1.4 atm A. 4.8 atm C. 86 atm 8.110 atm 39. If volume and the amount of gas within a container remains constant, what will happen to the pressure...
Question 22 (1 point) (c) (d) Which transition represents a decrease in entropy of the system? (b) → (c) O (d) - (c) (a) → (c) (c) → (b) Question 20 (1 point) Ethanol melts at -114 °C and boils at 78 °C at a constant pressure of 1 atm. What state of matter must a sample of ethanol be in at 100°C and 1 atm? solid and liquid in equilibrium gas liquid O solid liquid and gas in equilibrium...
Question 30 (1 point) Which of the following aqueous solutions will have the lowest freezing point? a) 0.40 m C2H5OH b) 0.20 m C6H1206 c) 0.10 m CaCl2 d) 0.20 m Naci e) 0.20 m Na2SO4 Question 31 (1 point) The nonvolatile, nonelectrolyte testosterone, C9H2802 (288.4 g/mol), is soluble in ethanol, in 19
please answer 1and 3 quick
1.0 atm, is 0 30 0 110 Temperature oc) 31 Which of the icuowing liquxls "wild hane il high s xii'니nesure, aking into account both tbe nature of t substanse & the temperature? C) NaClat 325°C ) The mole fraction of lead nitrate (mol mass 3312 g/mol) in an aqueous 5.85x101: What is the molar concentrationt of nitrat ons is solution? A) 0.032 NM trate ions in this solution? B) 0.064 M C) 0.096M D)...
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there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c. Al(ClO4)3 izu d. Sucrose 21 2 a. NaCl 2 e. Which of solution will have the highest vapor pressure? CX Which solution will have the lowest freezing point? C Which solution will have the lowest boiling point? A T Which solution will have the highest osmotic pressure?
there are 0.100 m solutions of the following solutes: KCIO4 b. Ca(ClO4)2 is 3 c....