kindly do parts a and b ▼Part Atert-Butyl alcohol is a solvent with a Kf of 9.10 °C/m and a freezing point of 25.5 °C. When 0.807 g of an unknown colorless nonelectrolyte liquid was dissolved in11.6 g of tert-butyl alcohol, the solution froze at 15.3 °C.Which of the following is most likely the identity of this unknown liquid?► View Available Hint(s)ethylene glycol (molar mass = 62.07 g/mol)1-octanol (molar mass = 130.22 g/mol)glycerol (molar mass = 92.09 g/mol)2-pentanone (molar mass = 86.13 g/mol)1-butanol (molar mass= 74.12 g/mol)SubmitPart BA protein subunit from an enzyme is part of a research study and needs to be characterized. A total of 0.140 g of this subunit was dissolved in enough water toproduce 2.00 mL of solution. At 28 °C the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?Express your answer with the appropriate units.► View Available Hint(s)ValueSubmitUnits?

Since both questions and sub parts are different, we solve only first question according to the…

▼ Part A tert-Butyl alcohol is a solvent with a Kf of 9.10 °C/m and a freezing point of 25.5 °C. When 0.807 g of an unknown colorless nonelectrolyte liquid was dissolved in 11.6 g of tert-butyl alcohol, the solution froze at 15.3 °C.Which of the following is most likely the identity of this unknown liquid? ► View Available Hint(s) O ethylene glycol (molar mass = 62.07 g/mol) O 1-octanol (molar mass = 130.22 g/mol) O glycerol (molar mass = 92.09 g/mol) O2-pentanone (molar mass=86.13 g/mol) O 1-butanol (molar mass = 74.12 g/mol) Submit

▼ Part A tert-Butyl alcohol is a solvent with a Kf of 9.10 °C/m and a freezing point of 25.5 °C. When 0.807 g of an unknown colorless nonelectrolyte liquid was dissolved in 11.6 g of tert-butyl alcohol, the solution froze at 15.3 °C.Which of the following is most likely the identity of this unknown liquid? ► View Available Hint(s) O ethylene glycol (molar mass = 62.07 g/mol) O 1-octanol (molar mass = 130.22 g/mol) O glycerol (molar mass = 92.09 g/mol) O2-pentanone (molar mass=86.13 g/mol) O 1-butanol (molar mass = 74.12 g/mol) Submit

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter9: Liquids, Solids, And Materials

Section: Chapter Questions

Problem 104QRT: Consider this information regarding two compounds. Thallium azide: yellow crystalline solid; melting...

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Consider this information regarding two compounds. Thallium azide: yellow crystalline solid; melting point = 330 C; slightly soluble in water, more soluble in hot water; insoluble in ethanol or diethyl ether. Camphene: colorless, cubic crystals; melting point = 51 C; boiling point = 159 C; insoluble in water; moderately soluble in ethanol; soluble in diethyl ether. (a) Is camphene an ionic or molecular compound? Explain your answer. (b) Is thallium azide an ionic or molecular compound? Explain your answer.
Starch contains CC, CH, CO, and OH bonds. Hydrocarbons have only CC and CH bonds. Both starch and hydrocarbons can form colloidal dispersions in water. Which dispersion is classified as hydrophobic? Which is hydrophilic? Explain briefly.
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A certain gaseous solute dissolves in water, evolving 12.0 kJ of heat. Its solubility at 25C and 4.00 atm is 0.0200 M. Would you expect the solubility to be greater or less than 0.0200 M at (a) 5C and 6 atm? (b) 50C and 2 atm? (b) 20C and 4 atm? (b) 25C and 1 atm?
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1. A 4 M acetic acid (CH3COOH) solution lowers the freezing point by -8oC; a 4 M KF solution yields a -15oC freezing point depression. What can account for this difference? 2. Based on what you have studied about intermolecular forces, predict which of the following liquid has the highest boiling point and why. All three compounds have comparable molecular weights. Butane, C4H10 b. Propanol, C3H7OH c. Acetone, CH3COCH3
Air is a mixture of gases that is about 78.0% N2 by volume. When air is at standard pressure and 25.0 °C, the N2 component will dissolve in water with a solubility of 4.88 x 10-4 M. What is the value of Henry's law constant for N, under these conditions? Express your answer with the appropriate units. Enter the unit M using the compound form mol/L. View Available Hint(s) HẢ ? k = Value Units
tert-Butyl alcohol is a solvent with a K; of 9.10 °C/m and a freezing point of 25.5 ° C. When 0.807 g of an unknown colorless nonelectrolyte liquid was dissolved in 11.6 g of tert- butyl alcohol, the solution froze at 15.3 °C.Which of the following is most likely the identity of this unknown liquid? • View Available Hint(s) Submit ethylene glycol (molar mass = 62.07 g/mol) 1-octanol (molar mass = 130.22 g/mol) glycerol (molar mass = 92.09 g/mol) 2-pentanone (molar mass = 86.13 g/mol) 1-butanol (molar mass = 74.12 g/mol)
If 4.27 grams of sucrose, C12H22O11, are dissolved in 15.2 grams of water, what will be the boiling point of the resulting solution? (ΔTb= Kb ×molality; Kb for water = 0.512 oC/m) ΔTb = Answer (Answer to 2 dp) Boiling point =Answer........... oC (Answer to 2 dp)
* 00 LL LI #3 The normal freezing point of a certain liquid X is -2.70 °C, but when 43.3 g of potassium bromide (KBr) are dissolved in 400. g of X the solution freezes at -9.6 °C instead. Use this information to calculate the molal freezing point depression constant K, of X. Round your answer to 2 significant digits. °C-kg K. mol Check Save For Later Submit Assignme O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibil MacBook Pro 114 F8 F3 F4 $4 3. 5. 6. P. A G H. K. B alt alt option command command option