4.1.40m5.1.75m01210.0 pointsAt 75◦, the vapor pressure of water, methanol,diethylether and benzene are 289, 1126, 2680,and 644 torr, respectively. Which of these isNOT above its boiling point at normal atmo-spheric pressure?2.methanol, diethylether, and benzene3.diethylether4.None of these5.methanol and diethylether6.water01310.0 pointsEach of the following samples was placed in 1liter of water.I) 0.6 mol NaOHII) 0.7 mol KClIII) 0.5 mol Na2NO3IV) 1 mol of sugarRank the solutions that are made in termsof increasing order of boiling point elevation.(Remember your solubility rules.)01410.0 pointsPolyacrylamide is a water-soluble polymerwhose aqueous solution containing 25 g/L de-velops an osmotic pressure of 0.54 torr at25◦C. Find the approximate molecular weightof the polymer sample.10.0 pointsThe following diagram shows a solution on theleft (dark shade) and just the solvent on theright (light shade) separated by a semiperme-able membrane.Which of the following diagrams best rep-resents the final state of this system afterequilibrium is achieved?1.
kandalam (atk274) – Homework #2 – Holcombe – (51055)44.(part 1 of 3) 10.0 pointsConsider the following pressure diagram for abinary liquid containing A and B.01xA20 torr70 torrIf 5 mol of A and 5 mol of B are mixed,what is the vapor pressure of B?1.45 torr2.20 torr3.35 torr4.70 torr5.10 torr017(part 2 of 3) 10.0 pointsWhat is the corresponding vapor pressure ofA?5.35 torr018(part 3 of 3) 10.0 pointsWhat is the corresponding total vapor pres-sure?4.35 torr5.45 torr01910.0 pointsConsider the temperature composition dia-gram of a binary mixture of A and B whichforms a minimum boiling azeotrope: InitiallyXA= 0.2.00.20.40.60.81.0020406080100120140