chemical equilibrium multiple choice questions; rate of reaction and rate laws multiple choice test; reaction mechanism multiple choice test; entropy and second law of thermodynamics multiple choice test; standard enthalpies of formation of some selected substances; enthalpy and first law of thermodynamics multiple choice questions; standard molar entropies and standard gibbs free energy of selected substances at 298 k Chemistry 103 Assignment No. 8 Summer 2010 Gases Laws and Stoichiometry MULTIPLE CHOICE QUESTIONS Select the one best answer for each question. A. Select the true statement. (1) A noble gas is comprised of a collection of atoms that move at identical speeds and in various directions.

The density of chlorine gas at STP, in grams per liter, is approximately: (a) 6.2 (b) 3.2 (c) 3.9 (d) 4.5 (e) 1.3 7. What pressure (in atm) would be exerted by 76 g of fluorine gas in a 1.50 liter vessel at -37 o C? (a) 26 atm (b) 4.1 atm (c) 19,600 atm (d) 84 (e) 8.2 atm 8. Unit 8 Review: KMT, States of Matter and Gas Laws, Answers Answers to Multiple Choice questions: 1. a 11. a 21. b 31. d 41. a 51. b 61. Unit 8 Review: KMT, States of Matter and Gas Laws, Answers Answers to Multiple Choice questions: 1. a 11. a 21. b 31. d 41. a 51. b 61.