CHEM101 Topic 11: Modern Materials[ALREADY PASSED]

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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 Gra ... de 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 Specific heat of steam 1.84 J/g • °C Molar heat of fusion 6.02 kJ/mol Molar heat of vaporization 40.7 kJ/mol Question text The vapor pressure of ethanol is 400. mmHg at 63.5°C. Its molar heat of vaporization is 39.3 kJ/mol. What is the vapor pressure of ethanol, in mmHg, at 34.9°C? (R = 8.314 J/K • mol) Select one: Question text Which of the following statements is true? Select one: a. The higher the viscosity, the faster a liquid flows. Flag question Question 3 Correct 4.60 points out of 4.60 b. 220 mmHg c. 366 mmHg d. 376 mmHg e. 1470 mmHg a. 109 mmHg e. 2.30 ×104 kJ d. 158 kJ Select one: a. 12.0 kJ b. 23.0 kJ c. 46.4 kJ Flag question Question 2 Correct 4.60 points out of 4.60 Question text What is another name given to dispersion forces? Question text Which of the following atoms does not participate in hydrogen bonding? Select one: b. O c. F d. N [Show More]

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