m 5 175 m 012 100 points At 75 the vapor pressure of water methanol

M 5 175 m 012 100 points at 75 the vapor pressure of

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4.1.40m5.1.75m012 10.0 points At 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.) 014 10.0 points Polyacrylamide is a water-soluble polymerwhose aqueous solution containing 25 g/L de-velops an osmotic pressure of 0.54 torr at25C. Find the approximate molecular weightof the polymer sample. 10.0 points The 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.
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kandalam (atk274) – Homework #2 – Holcombe – (51055) 4 4. (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 torr 018(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
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