1 Week 24 1. Pure cyclohexane, C 6 H 12 , has a molecular weight of 84.161 g mol -1 and a density of 0.7785 g mL -1 , a freezing point of 6.53 ° C, and a boiling point of 80.72 ° C. Its freezing point depression and boiling point elevation constants

1 Test 12 1. Calculate the frequency of visible light having a wavelength of 589.3 nm a. 176.7 s -1 b. 1.966 × 10 -15 s -1 c. 1.391 × 10 -11 s -1 * d. 5.087 × 10 14 s -1 e. 5.660 × 10 3 s -1 Section 7.1 2. A police radar unit is operating on a freque

1 Week 21 1. Based on its expected electron configuration, element Z = 120 a. should be an inert gas element. b. should have two unpaired electrons. c. should be an alkali metal. * d. should be an alkaline earth element. e. should have four unpaired

Test_14.docx-Test 14 1. What is the

1 Week 26 1. Arrange these aqueous solutions in order of increasing boiling points: 0.100 m Mg(NO 3 ) 2 0.200 m ethylene glycol, C 2 H 6 O 2 0.175 m LiCl * a. ethylene glycol < Mg(NO 3 ) 2 < LiCl b. Mg(NO 3 ) 2 < LiCl < ethylene glycol c. ethylene gl