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WA. Homework 11 - No Marlrs To determine what portion of...

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Unformatted text preview: No Marlrs. To determine what portion of the qualion you have correct, click on qualion score at the top of the assignment. Indicate whether hydrogen bonding between like molecules would be important in the following. Indicate your answer for each with a single letter (y or n), o ”\C/lieT/H H HtN-. H /L_/:Hg j‘m it J: \c/ \c/ ch N H \H H/ \C¢ \H \Eir' I I / \ H H H H I’Ev il" Ev il" En il" Ev Use the following diagram of the vapor pressures of CClq and H20 as a function of temperature to determine the states of CCI4 and Hzo at the following conditions. Use L = liquid and G = gas. Vapor pressure of H20 and CCi‘1 as a function 0! temperature t P can ":0 ("C) (‘0'?) (L or G) state s s m 8 8 8 C) O C) I i i Vapor Pressure (mm Hg) m \l 8 8 S i O 25 50 75 iCO iSO Temperature (“0) What the approximate boiling point (to the nearest 1!) °C) of 00in at 500 torr’? t=-\’ E70 “c What is the approximate vapor pressure (to the nearest 50 ton) of H20 at 75 “C? P = .V E250 torr No Marks. To determine what portion of the queslion you have correct, check question score at the top of the assignment. Three pairs of molecules are given below. Identify the molecule with the higher boiling point. (Input fonnat A or 3.) Then indicate the strongest intermoiecular force that is responsible for the higher boiiing paint oi that molecuie. {Input kirmalh i‘arhydt'ogen bowling, p kirdipaie-dipaie firms, and d‘ kirdispersrhn throes) Molecule Force (A or B) (h, p, or d) a} H25 H20 IV Eb IV Eh b} CHZBrz CClq IV Ea IV E” I" E9 c} chocug HgCCHchg Iv No Marlrs. To determine what portion of the qualion you have correct, click on qualion score at the top of the assignment. Indicate which molecule (a or b) in each pair has the higher boiling point. Also indicate which force, hydrogen bonding (H), dipolar (P), or d'Epersion (D) is responsible for the difference. Molecule Force (a or b) (H,P, or D) 2. CszoH CHaOCHs I! BE Iv RE 3. C4Hs CmHzo IiEE I¢EE Consider the phase diagram of substance Q shown below. Q is a .V Egas at point X Q is a -¢ Esolid at point Y Q is a -’ Eliquid at point Z The normal boiling point (to the nearest SD”) on is -’ E500 DC The normal melting point (to the nearest SD”) of Q is -’ EZDD ”C Q is a -’ Esolid at room conditions. r r | i i i i D 100 EDD 3DD ADD EDD EDD The vapor pressure of Q at 420 DC to the nearest 0.1 at:m is -’ E atm T t C [impala ure f J When Q is heated at point A, it -’ Emelts When a pressure E applied to Q at point A it -’ Emelts E E E a s E. No Marks. To determine what portion of the question you have correct, check question score at the top of the assignment. The volume of4 g of gas at 200 K and 2 atmospheres is 3 liters. a. What is the volume of the gas if the pressure '6 decreased to 1 atomosphere (n and T .same as above}? -’ HE liters l], Compiete the statement, tftlie pressure rs decreased, the volume of the gas Mil-v I increase c. Compiete the statement. Pressure and volume are -’ I inversely proportional. Indicate whether each of the following molecules is polar (p) or nonpolar (n). H H—CEN F—IC—F N=N=O H Your response should be a three letter word consisting of the letters p and n. For example, a response of npn would indicate that only CHze, the second molecule, is polar. m remember that you must consider the three dimensional structure of the molecules to answer the question. Answer: X I No Marks. To determine what portion of the question you have correct, click on question score at the top of the assignment. Indicate whether each of the following molecules is polar (P) or nonpolar (N). T T H\C/C‘.§:C/H H\C/C%C/H F i El” .m-uElr .“mF F’hr, _...\\‘F H | || | Erifin‘ EriSh“ (Fe\ /C\ écx /C\ iC‘X. i 3‘ i F F l 3' H (‘3 H F (i3 F F Elr F F F I" E: I“ BE I E: I" Ev I“ ED No Marks. To determine what portion of the qualion you have correct, check qnafion score at the top of the assignment. Detennine whefller each of the fullnwing molecules is polar or nonpular. Please note that Jane pairs have been amitbed for simphdnr! H | CI—E—CI -« HE [C70 -’ Epolar SZCZS -’ Enonpolar | CI—gse-CI —v E ...
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