CHEM 101

Page path • CHEM101_MH_V4 • Topic 11: Modern Materials Started on Saturday, March 26, 2022, 12:57 AM State Finished Completed on Saturday, March 26, 2022, 1:29 AM Time taken 31 mins 47 secs Grade 96.60 out of 115.00 (84%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text How much energy (heat) is required to convert 52.0 g of ice at –10.0°C to steam at 100°C? Specific heat of ice 2.09 J/g • °C Specific heat of water 4.18 J/g • °C Spec...

Page path • CHEM101_MH_V4 • Topic 13: Acids and Bases Started on Friday, April 15, 2022, 8:48 PM State Finished Completed on Friday, April 15, 2022, 9:08 PM Time taken 19 mins 14 secs Grade 115.00 out of 115.00 (100%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text A solution of chloroform, CHCl3, and acetone, (CH3)2CO, exhibits a negative deviation from Raoult's law. This result implies that Select one: a. chloroform-chloroform interactions are stron...

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 Which of these solutions has the strongest solute-so...

Page path • CHEM101_MH_V4 • Topic 16: Nonmetallic Elements and Organic Chemistry Started on Friday, April 15, 2022, 9:09 PM State Finished Completed on Friday, April 15, 2022, 9:31 PM Time taken 22 mins 2 secs Grade 110.40 out of 115.00 (96%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text What is ΔS° for the following reaction? 4Cr(s) + 3O2(g) → 2Cr2O3(s) Substance Cr(s) O2(g) Cr2O3(s) S°(J/K • mol) 23.77 205.138 80.65 Select one: a. –549....

Page path • CHEM101_MH_V4 • Topic 16: Nonmetallic Elements and Organic Chemistry Started on Thursday, March 24, 2022, 11:12 AM State Finished Completed on Thursday, March 24, 2022, 11:48 AM Time taken 36 mins 25 secs Grade 110.40 out of 115.00 (96%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text What is ΔS° at 298 K for the following reaction? Fe2O3(s) + 3CO(g) → 3CO2(g) + 2Fe(s) Substance ΔG°f(kJ/mol) ΔH°f(kJ/mol) Fe2O3(s) –741.0 –822.2 ...

Course Content General Introduction and Getting Started Topic 1: Introduction to Chemistry Topic 2: Matter and Its Components Topic 3: Stoichiometry Topic 4: Reactions in Aqueous Solutions Topic 5: Thermochemistry Topic 6: Quantum Theory Topic 7: The Main Group Elements Topic 8: Properties of Liquids and Solids Topic 9: Properties of Gases Topic 10: Intermolecular Forces and Phase Changes Topic 11: Modern Materials Topic 12: Colligative Properties of Solutions Topic 13: Acids an...