Question

Please answer all questions for chemistry!!

Place the following compounds in order of decreasing strength of intermolecular forces. I. CH_3CH_2CH_2CH_2CH_2CH_3 II. (CH_3)_3CCH_3 III. (CH_3)_3CCH_2CH_3 A) III > II > I B) I > III > I C) I > II > III D) II > III > I E) III > I > II Identify the place which has the lowest boiling point of water A) Death Valley, 282 feet below sea level B) New Orleans, sea level C) Mt. Everest, 29, 035 feet D) Denver, Colorado, 5280 feet Which of the following statements is FALSE? A) The rate of vaporization increases with increasing surface area. B) The rate of vaporization increases with decreasing strength of intermolecular forces. C) The rate of vaporization increases with increasing temperature. D) Molecules with hydrogen bonding are more volatile than compounds with dipole-dipole forces. E) None of the above are false. Define boiling. A) A liquid becomes a gas. B) A gas becomes a liquid. C) A gas becomes a solid. D) A solid becomes a gas. E) A solid becomes a liquid. How much energy is required to vaporize 48.7 g of dichloromethane (CH_2Cl_2) at its boiling point, if its delta H_vap is 31.6 kJ/mol? Use the periodic table to calculate the molar, mass of dichloromethane. MM CH_2Cl_2 = 119.38 g/mol A) 31.2 kJ B) 6.49 kJ C) 55.1 kJ D) 15.4 kJ E) 18.1 kJ

Answer 1

Pa ha be. .mome-la-mal will anea CH CH CH CH, CH CH Case or molec The stmength 。 meatenthan ntesn CHC-CH essen-molan-mass B.P of water e pnessun İncneadeL-with-depth-ft will be at 282 feet belpw ea Lavel Lowest at-一height o eet above sea lev B.p will be m Jowest a t. Evenes because a 29. 035e owet atm

Date Page alse Statement-JC의 皿는The-strength po H-honding → 110 then statement nu e Cause At boling at