CHEM101 Topic 13: Acids and Bases[GRADED A+]

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Page path  CHEM101_MH_V4  Topic 13: Acids and Bases Started on Monday, March 28, 2022, 9:26 AM State Finished Completed on Monday, March 28, 2022, 10:05 AM Time taken 38 mins 38 secs Grade 105.80 out of 115.00 (92%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text Consider the following four solutions:  NaCl in water  Acetic acid in water  Acetic acid in benzene  Naphthalene in benzene Question text What states that the solubility of a gas in a liquid is proportional to the pressure of the gas over the solution? Question text A solution is 40.00% by volume benzene (C6H6) in carbon tetrachloride at 20°C. The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3; Flag question Question 3 Correct 4.60 points out of 4.60 c. Dissolution d. Vapor pressure e. Enthalpy of salvation b. Henry's law Select one: a. Entropy d. Naphthalene in benzene; London Dispersion Forces e. NaCl in water; hydrogen bonding c. NaCl in water; ion-dipole interaction Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type? Select one: a. Acetic acid in water; hydrogen bonding b. Acetic acid in benzene; dipole-induced dipole interaction Flag question Question 2 Correct 4.60 points out of 4.60 the vapor pressure of pure carbon tetrachloride is 91.32 mmHg and its density is 1.5940 g/cm3. If this solution is ideal, its total vapor pressure at 20°C is Question text Which statement is false? Select one: The vapor pressure of a solvent over a solution decreases as its mole fraction increases. The solubility of a gas increases as the temperature decreases. c. The vapor pressure of a solvent over a solution is less than that of pure solvent. d. The greater the pressure of a gas over a solution, the greater its solubility. e. Ionic solutes dissociate in solution, causing an enhancement of all colligative properties. b. a. Question 4 Correct 4.60 points out of 4.60 Flag question c. 82.96 mmHg d. 81.63 mmHg e. 165.93 mmHg b. 84.30 mmHg Select one: a. 84.64 mmHg Question 5 Correct 4.60 points out of 4.60

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