Consider the structures of ethane and ethanol, and then determine which of the following statements are true? 0 000 O a O b I. ethanol is soluble in water because it can form hydrogen bonds with water II. ethane has hydrogen atoms so it can dissolve in water by forming hydrogen bonds III. for a solute to dissolve in a solvent there must be a positive attraction between them IV. ethane would be soluble in liquid naphthalene, but ethanol would not с d HH HH H-C-C-H H-C-Ć-Ö: II HH ethane I and II only I and IV only III and IV only I, III, and IV only III HHH ethanol

Consider the structures of ethane and ethanol, and then determine which of the following statements are true? 0 000 O a O b I. ethanol is soluble in water because it can form hydrogen bonds with water II. ethane has hydrogen atoms so it can dissolve in water by forming hydrogen bonds III. for a solute to dissolve in a solvent there must be a positive attraction between them IV. ethane would be soluble in liquid naphthalene, but ethanol would not с d HH HH H-C-C-H H-C-Ć-Ö: II HH ethane I and II only I and IV only III and IV only I, III, and IV only III HHH ethanol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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aluminum hydroxide has a Ksp value of 2.0x10-32. This indicates that aluminum hydroxide is miscible in water. that almost no aluminum hydroxide will dissolve in water. the amount of aluminum hydroxide that will dissolve in water cannot be determined from this value. that a significant amount of aluminum hydroxide will dissolve in water.
The normal freezing point of a certain liquid X is 0.10 °C, but when 18. g of potassium bromide (KBr) are dissolved in 400. g of X the solution freezes at -1.2 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Round your answer to 2 significant digits. K₁ = 1 °C kg mol 1 D
8. * 00 #3 11 v 12 13 v 14 v 15 v 16 = 17 19 v 20 When 1.06 g of a certain molecular compound X are dissolved in 85.0 g of dibenzyl ether ((C,H,CH,),0), the freezing point of the solution is measured to be 0.9°C. Calculate the molar mass of X. If you need any additional information on dibenzyl ether, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 1 significant digit. Check Save For Later Submit Assignment O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use I Privacy Center Accessibility EPIC MacBook Pro 888 F4 F8 & * $4 7. R. alt command option option command
Aluminum hydroxide has a Ksp value of 2.0x10-32. This indicates that aluminum hydroxide is miscible in water. that almost no aluminum hydroxide will dissolve in water. the amount of aluminum hydroxide that will dissolve in water cannot be determined from this value. that a significant amount of aluminum hydroxide will dissolve in water.
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A) The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is DDT.Calculate the vapor pressure of the solution at 25 °C when 8.376 grams of DDT, C14H9Cl5 (354.5 g/mol), are dissolved in 227.7 grams of diethyl ether.diethyl ether = CH3CH2OCH2CH3 = 74.12 g/mol.VP(solution) = mm Hg B) The vapor pressure of water is 23.76 mm Hg at 25°C. How many grams of glucose, , a nonvolatile, nonelectrolyte (MW = 180.2 g/mol), must be added to 256.7 grams of water to reduce the vapor pressure to 23.49 mm Hg? water = H2O = 18.02 g/mol. Mass = g
16. Determine the cahnge in boiling point for 397.7 g of carbon disulfide (Kb= 2.34 degrees Celsius kg/mol) if 35.0 g of a nonvolatile, nonionizing compound is dissolved in it. The molar mass of the compound is 70.0 g/mol and the boiling point of the pure carbon disulfide is 46.2 degrees Celsius. a. 2.34 degrees Celsius b. 5.88 degrees Celsius c. 24.8 degrees Celsius d. 2.94 degrees Celsius
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4 7 A certain liquid X has a normal boiling point of 120.70 °C and a boiling point elevation constant K, =1.98 °C-kg-mol.A solution is prepared by dissolving some zinc chloride -1 %3D оте (ZnCl,) in 100. g of X. This solution boils at 121.5 °C. Calculate the mass of ZnCl, that was dissolved. alo Round your answer to 1 significant digit. Submit Assignment Continue O 2022 McGraw Hill LLC. Al Rights Reserved. Terms of Use Privacy Center Accessibility II Finder De F9 F10 F11 F12 DeX. F6 , F7 F8 F4 F5 F3 F1 APP1 F2 APP2 Esc APP3 II Back @ # 2$ % & %3D
5 L山 When 1.06 g of a certain molecular compound X are dissolved in 85.0 g of dibenzyl ether ((C,H,CH,),0), the freezing point of the solution is measured to be 0.9°C. Calculate the molar mass of X. If you need any additional information on dibenzyl ether, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 1 significant digit. 自 OL Check Save For Later Submit Assignment O2022 McGraw Hill LLC. AlI Rights Reserved. Terms of Use Privacy Center Accessibility EPIC 中Xe MacBook Pro F2 F3 F4 F7 F8 F10 6-5 #3 3. 2 $ 一 8 dele R. A C. W alt alt option 10 command option 1Q15
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