Problem_Set_9_Key

Problem_Set_9_Key - Chemistry 2070 Assignment 9 The last...

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Unformatted text preview: Chemistry 2070 Assignment 9: The last graded HW! Due: Monday, December 1 @2:00pm Name__ L/‘l ¥ Lab TA_ Lab Day/Time ct' lm. h tr: 112 291 74759697 77 1. 0.3625 g N2 fills a container of volume 0.03 l9 m3 at 23.2 ° . 1.835 g of a gas of unknown homonuclear diatomic molecules fills a second identical container at the same temperature and twice the pressure. («N T.‘ 2 2T.-_ = 2(23.zt243,|s\ : snK {’4 = MFR"? fl (O-ICLS'OUO(|M.\IU\_ (HHSPtn’Mrutq __. H.013"; “"°‘ K .1131} Val w 0. 03H m3 v We: = GT“:M%\= l°~————~—“-“r3”"°'““"‘ \ (“3“ z @W‘ $3391.51 {L‘tml 3 mt" 211- \C = 0-015‘33 Mal 't 2. A balloon is filled with 13.3 g 02 at 20 0C and 1.00 atm pressure. It is lowered into Cayuga Lake to a depth of40 m and temperature of 5 “C. Determine the initial and final volumes in units of L. —.. ' ‘1 “I'll5 ‘ CL *1“ z k %:fi|1fiL Vi _ her. In: - (midllmm Minx “i3 wit: 1 __ m . J 1k: ID c... ltd-H ‘2 7' 3L”; : (1'”°G“rh~5‘)lq° \(106‘90‘ )(l W('—' ) Lblnflllvrl'o) HLO flog) m: : l3. ‘6} «h»! —- Ha 5*LN'3’2-k Lgllem Leah (lib). ‘—‘ “410* Fat“ - Lqufi V —.~ T FL :2 (33’5" (12:33“ 30.20l L 7‘1:- F0 2131‘- “1.31%?“ VS. \V{ 2 26st I 3. NH4N02(s) ts placed 1n an evacuated vessel and heated until it decomposes completely into N2(g) and H20(g). What mass of ammonium nitrite is needed to produce a pressure of 0.500 bar In a volume of 20 0 L at423K? NHANGLKSN -—:~ Nibfl + ZHLO (33 (3, Shel.“ (Loo «Ha \(2m 0 L lLFL tart-NO» Laoyawflu “CH-Q'S-L'f (6 031°C Lq¥hMullK )LQLgkl Bust 3‘3 M-lUHH‘JoL =~ tm 4. Dry air near sea level contains a mole fraction of Ne equal to 1.8l8 xl0'5. At T=20 “C and p=l.00 atm, how many Ne atoms are contained in 1 cm3 of air? musw‘ 3 h" -‘-' ‘W : 1‘S‘c2sio")' 33 T Q—T (0.0 in“ L um. “Ml-AK“ )Q—‘L‘SK\ fllrfMJ‘U-E. (CL S‘thd' }M,\01](40L1Klomfw;fw)( fi‘ C-M 5. At 298 K methane leaves a pinhole in a container at 1.30 x108 mol 5' .At the same T and 1:), an unknown gas exits this pinhole at 5.42 x lO'° mol s‘l What' is the root- -mean- squared speed In units of miles per hour of molecules of the unknown gas? ‘9 ._l C-Hfistm rah CHM Mo. __ l30Xlo half : Z~HD --.._____,______——--" 7: - _________+_-_———— Cmsfifl trek “l'xLthuM MLHH .5" \hle 0‘ hsls M : remand» (may 2 «2.3 am‘“ \A . at? 3m; 3w“ Y: n.\“](l‘13¥3:(/] firms (“minnow-A "-1 0‘09‘13 k3 h-l-x 23% MS 7.5M m 5" 30005] loom“ 1.4 ,i- (I M‘. < (M)K15L1C“7(ILM» 571°6th L3§Mi /hp ...
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