Gas_Laws_&_Intermolecular_Forces_Worksheet_-_Answer_Key

Gas_Laws_&_Intermolecular_Forces_Worksheet_-_Answer_Key...

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Unformatted text preview: Gas Laws and Intermolecular Forces Worksheet Chemistry 4 Gas Laws and Intermolecular Forces Due: End of Lab Tonight! 1 . Calculate the pressure by the following conversions: (a) 2.25 atm to torr 3.3503,“! 700 1.” 1 n w +1“ g 35,3 935 ham/(on 3 in who,“ W (b) 1.38 atm to mm Hg 3 5’3 18" b‘ml 0" 3 *“ wa‘tm 1/ 117:? 700m” -. {0M MM : L05 xloq’m H ‘fllw—‘l *5 "‘3 (c) 866 torr to mm Hg 89b2, 71,0”15: at" MM“ Mojwr ’ (d) 3.00 kPa to atm 3.w%’1.00am ,, 0.02% am Whaw 2. Calculate the final pressure of a sample of gas that is expanded to 1.50 L at constant temperature from 955 mL at 1.17 atm. What law is this? (WA (13' lafloqles Law " RV. : (’2 V} 6?? eonslaner' V,: 6159“. v1: 1.501, Pa” PM :d-i1w>co.«ssw PI -_ l.l'lo(l—M va' (1,50% V1: 015514, H, Pa: 0,1454% “DOOM / V‘ -; O‘qggL Wkts smse ,becaase 45 / ‘I prufifimg g I 1::- E Page 10f 3 Gas Laws and Intermolecular Forces Worksheet Chemistry 4 3. Calculate the initial volume at 419K of a sample of gas that is changed to 4.22 L by cooling to 317 K at constant pressure. What law is this? " V‘:?. {Cl/lurks Lam/i; {L = {2—1 0? Constant P TI T Ti 7 Lll‘lK 1 v3 —, ML VI = Tl V2 :(mqeymzm T; = 7>|’ll< T} ( 317 i?) \/ a 5.531. 4- . K a y“? Male the We as Tuqu =3rsl< VJT» T171”? 3°V‘7 V3’ 4. Calculate the final volume of a sample of gas initially occupying 264 mL at STP after its pressure is increased to 1.63 atm and its temperature is increased to 15°C. lll; l0!)th lei: 1.03oilm ST? {E}: wooier , - l= 0’0, V! ' ZWML V1'7. ” 273“ " ll: 373K E} (5%.: Zggk/ {Di/L 2 pzx/g :7 Va : T2 PM. :(239%(l'000l)1’)(2b“lml' T, ““ 2 T Tu Pa [273 19% lvb3afim} 5. Determine the temperature of a gas if 1.27 mol occupies 15.0 L at 876 torr. What law is this? n: 3.21m F’ W : Maxim 1901» “MOM V: P: ‘BYU lvrr ’i‘: 7 /v T: “pi : (Ligalggflpofl 5 PV: nRT “R [l'97yi/3(0.082041 MW2.K (a : 0.03200 almL Mo! K Page 2 of 3 Gas Laws and Intermolecular Forces Worksheet Chemistry 4 6. What is the molar mass of a gas if 2.94 g occupies 1.38 L at 2.20 atm and 12°C? molar mics (MM? = HTS/mill ! : Q'Q‘lj/n QM n usimj 10V: mQT'" :7 n: (JV/KI" P: 1.2mm ['0'0820b aMy/mzflhesx) T'r la'c: 235K Q : 0473029 oiliML/mt K h: 0 .126? male (\lou Should («ml at Ext-u ‘Ss‘g 25.3) NM: GAE/0424?; Imol ‘3 7. State whether each of the following substances has only van der Waals forces (London— Dispersion Forces), dipole moments but no hydrogen bonding, or hydrogen bonding. NH - . ' (a) 3 : /Q R ; polar molecule ; N'l‘l 1 quwflem Bowlan sag/#1“ i: I ' ll L' lone fair 7. paler Mllccdlc _ 0(9)!“ Camccl ,’ olu’ Waals Erasl (cw: 2, u—H : *Eiilfflilr Waals Fume; H C) t\ O H e CS 4...; , V () 3 ’51::% - dipoles Cancel; Mon’Polar Molecule H H Van 0W Waals 179mg 6) PH3 E : 1 ~ ¥ (bomfiy {fl/‘il§f Po er Wiccule,’ , iPole Mama/l w/WhL H “a, R 8. Which of the following substances will boil at the highest temperature at 1 atm of pressure? H2, N2, 02, F2, CI2 : All ol: "l'lWSt l’Wz Van fill!" Waals Forces . all {bras hmfl bLlWh moltcuuj ’ we Mal l9 loal: “l Sl2:- Tl‘C ll‘l’ll‘!’ *lhe Wiccule. 4+“ firmly the MW \ +l1c mm e’ nanny/i3)I Ha qml—er surfing, drag HM qnqld“ “HM VOW Eras. Tl‘Q more grail, the More emit“ ilr lulfcé ‘l" lull 6!” ball: Page3of3 ...
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Gas_Laws_&amp;_Intermolecular_Forces_Worksheet_-_Answer_Key...

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