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Chem 114 Midterm spring 2018-2 (1)-Protected View-Saved to this PC esign Layout References Mailings Review View Help Tell me what you want to do 25. Which of the following substances will have the strongest intermolecular forces a. HS b. NO c. CH3NH d. HC1 e. Rn 26. Which response correctly identifies all the interactions that might affect the properties of BFs? a dispersion force, ion-ion interaction b. hydrogen bonding force, dispersion force c. permanent dipole force d. permanent dipole force, dispersion force e. dispersion force 27. Calculate the molality of a solution that contains 51.2 g of naphthalene, CioHs, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL a. 0.250 b. 0.500 m c. 0.750 d. 0.840 m e. 1.69 28. The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -54°C what is the molecular weight of the compound? K a. 121 g/mol b. 2.78 gmol c 34.4 gmol d. 41.2 g/mol e. 53.8 g/mol 1.86cm for water. 29. A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -123°C. Calculate the molecular weight of the solute. Kf for water a. 39.7 g mol 1.86°C m. b. 58.4 g mol c. 46.2 g mol d. 62.0 g mol e. 74.2 g mol 30. When 20.0 srams of an unknown compound are dissolved in 500, grams of benzene, the freezing
Chem 114 Midterm spring 2018-2 (1)-Protected View-Saved to this PC esign Layout References Mailings Review View Help Tell me what you want to do 25. Which of the following substances will have the strongest intermolecular forces a. HS b. NO c. CH3NH d. HC1 e. Rn 26. Which response correctly identifies all the interactions that might affect the properties of BFs? a dispersion force, ion-ion interaction b. hydrogen bonding force, dispersion force c. permanent dipole force d. permanent dipole force, dispersion force e. dispersion force 27. Calculate the molality of a solution that contains 51.2 g of naphthalene, CioHs, in 500. mL of carbon tetrachloride. The density of CCl4 is 1.60 g/mL a. 0.250 b. 0.500 m c. 0.750 d. 0.840 m e. 1.69 28. The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -54°C what is the molecular weight of the compound? K a. 121 g/mol b. 2.78 gmol c 34.4 gmol d. 41.2 g/mol e. 53.8 g/mol 1.86cm for water. 29. A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -123°C. Calculate the molecular weight of the solute. Kf for water a. 39.7 g mol 1.86°C m. b. 58.4 g mol c. 46.2 g mol d. 62.0 g mol e. 74.2 g mol 30. When 20.0 srams of an unknown compound are dissolved in 500, grams of benzene, the freezing
Keith LeannonLv2
14 Feb 2019