CHEM101 Topic 6: Quantum Theory[ALREADY PASSED]

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Page path  CHEM101_MH_V4  Topic 6: Quantum Theory Started on Monday, March 28, 2022, 10:23 AM State Finished Completed on Monday, March 28, 2022, 11:01 AM Time taken 38 mins 28 secs Grade 101 ... .20 out of 115.00 (88%) Question 1 Incorrect 0.00 points out of 4.60 Flag question Question text Which accurately characterizes all nonelectrolyte solutions? Select one: a. Nonelectrolyte solutions contain molecules. b. Nonelectrolyte solutions conduct electricity. c. Nonelectrolyte solutions react with other solutions. Question text Vinegar is a solution of acetic acid, HC2H3O2 , dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar? Question text Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and hydrobromic acid? LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq) Select one: a. LiOH(aq) → Li+(aq) + OH–(aq) b. HBr(aq) → H+(aq) + Br–(aq) c. H+(aq) + OH–(aq) → H2O(l) d. Li+(aq) + Br–(aq) → LiBr(aq) Remove flag Question 3 Incorrect 0.00 points out of 4.60 d. Nonelectrolyte solutions do not conduct electricity. e. Nonelectrolyte solutions conduct heat. Flag question Question 2 Correct 4.60 points out of 4.60 d. 5.43% e. 9.23% c. 3.26% Select one: a. 0.0543% b. 1.08% Question text The substance (CH3CH2)2NH is considered to be Question text Which represents the result of mixing equal volumes of 1 M HCl and 1 M NH3 solutions? (Each sphere represents 1 mol of ions.) Flag question Question 5 Correct 4.60 points out of 4.60 c. a strong acid. d. a strong base. e. neither acidic nor basic. b. a weak base. Select one: a. a weak acid. e. Li+(aq) + OH–(aq)+ H+(aq) + Br–(aq) → H2O(l) + LiBr(aq) Flag question Question 4 Correct 4.60 points out of 4.60 Select one: [Show More]

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