practice exam 2010

practice exam 2010 - DATA THAT YOU MAY USE UNITS Volume...

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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 erg = 1 g cm 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 1.986 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 Clausius-Clapeyron Equation: Quadratic Formula: Δ = 2 1 1 2 1 1 ln T T R H P P vap a ac b b x c bx ax 2 4 0 2 2 ± = = + + Integrated Rate Laws: Arrhenius Equation: Order 0: [A] = [A] 0 k t / 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
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Δ G (non-s Δ G = Δ Common HCl HBr HI HClO 4 HNO 3 H 2 SO 4 standard cond + RT ln n Strong Ac ditions): n Q cids The Van t’ H Periodic Hoff Equation 2 1 ln K K = Common S LiOH NaOH KOH RbOH CsOH Mg(OH) 2 Table of n: 2 1 o H RT −Δ Strong Base Ca(OH) 2 Sr(OH) 2 Ba(OH) 2 the Elem 1 1 T s 2 2 ents
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1) Given the data below, determine the normal boiling point of COCl 2 : P 1 = 100 mm Hg, T 1 = - 35.6 °C, Δ H vap = 27.4 kJ mol -1 a) 5.0 °C b) -65.1 °C c) -5.0 °C d) 278 °C e) -36.4 °C 2) The vapor pressure of a liquid depends on a) the chemical structure of the liquid. b) the volume of the liquid. c) the surface area of the liquid d) the shape of the container. e) none of these 3) 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 04/20/2011 for the course CHEM 120 taught by Professor Barret during the Fall '08 term at McGill.

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practice exam 2010 - DATA THAT YOU MAY USE UNITS Volume...

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