Practice Q's

Practice Q's - DATA THAT YOU MAY USE UNITS Volume Pressure...

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DATA THAT YOU MAY USE UNITS Conventional S.I. Volume mL or cm 3 = c m 3 or 10 -3 dm 3 L i t e r ( L ) = d m 3 Pressure atm = 760 torr = 1.013 × 10 5 Pa torr = 133.3 Pa Temperature ° C 0 ° C = 273.15 K PV L-atm = 1.013 × 10 5 dm 3 Pa =101.3 dm 3 kPa =101.3 J Energy 1 cal = 4.184 J (J= kg m 2 /s 2 ) 1 e r g = 1 g c m 2 /s 2 = 10 -7 J Current ampere (A) = 1 C/s CONSTANTS Avogadro’s number N 6.022 x 10 23 mol -1 Boltzmann’s constant k 1.381 x 10 -23 J K -1 Faraday’s constant F 96 485 C mol -1 Values of R for various unit combinations 1.987 cal mol -1 K -1 0.08206 L atm mol -1 K -1 82.06 cm 3 atm mol -1 K -1 8.314 J mol -1 K -1 8.314 × 10 7 erg mol -1 K -1 8.314 dm 3 kPa mol -1 K -1 8.314 × 10 3 cm 3 kPa mol -1 K -1 Useful gas equations: Δ = 2 1 1 2 1 1 ln T T R H P P vap nRT PV = RT MPV m = 2 3 1 u m V N P = 2 2 2 2 1 1 1 1 T n V P T n V P = RT MP d = A k N RT e 2 3 = M RT u rms 3 = hdg P =
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Integrated Rate Laws: Arrhenius Equation: Order 0: [A] = [A] 0 - kT / a E RT kA e = Order 1: [A] = [A] 0 e - k T 2 12 1 11 ln a E k kR T T ⎛⎞ =− ⎜⎟ ⎝⎠ Order 2: 1/[A] = 1/[A] 0 + kT Δ G (non-standard conditions): Van’t Hoff Equation: Δ G = Δ G ° + RT ln Q 2 1 ln o K H KR T T −Δ The Periodic Table of the Elements
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1) Surface tension is thought to be due to: A) surface molecules having lower energy than bulk molecules B) surface area trying to increase C) air absorbed on the surface D) solute concentrated on the surface E) none of these 2) The property of a liquid that measures its resistance to flow is called: A) viscosity B) polarizability C) wetability D) resistivity E) capillarity 3) The process in which a gas is transformed into a solid is called: A) solidification B) deposition C) condensation D) vaporization E) none of these 4) The heat of fusion for napthalene (C 10 H 8 ) is 18.98 kJ mol -1 and for sodium is 2.60 kJ mol -1 . The amount of heat that would melt 37.0 grams of napthalene would melt how many grams of sodium?
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This note was uploaded on 08/23/2008 for the course BIOL 111 taught by Professor Brianmcgill during the Fall '07 term at McGill.

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Practice Q's - DATA THAT YOU MAY USE UNITS Volume Pressure...

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