Chem1a-spring06-mt2-blank - Page 1 Chemistry 1A, Spring...

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Page 1 Chemistry 1A, Spring 2006 Midterm Exam II, Version 1 March 6, 2006 (90 min, closed book) Name:___________________ SID:_____________________ TA Name:________________ Write your name on every page of this exam. This exam has 38 multiple choice questions. Fill in the Scantron form AND circle your answer on the exam. There is no penalty for guessing, so answer every question. Some questions may require bubbling in more than one choice to receive credit. Identification Sticker Name_________________________ Page 2 800 600 400 200 IR Red Green Blue UV Wavelength (nm) Color and Wavelength of Light Δ G ° = Δ H ° - T Δ S ° Δ H ° = Σ Δ H ° f (products) - Σ Δ H ° f (reactants) Δ S ° = Σ S ° (products) - Σ S ° (reactants) Δ G ° = Σ Δ G ° f (products) - Σ Δ G ° f (reactants) S = k B lnW for aA + bB cC + dD a b c d A B Q C D [ ] [ ] = [ ] [ ] At equilibrium, Q = K Δ G ° = - RTln K R S R T K H ° Δ + ° Δ ln = 1 Δ G ° = - nF Δ Єº pX = - log X [ ]
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log [ ] HA pH pK A a = + E = h ν λν = c λ deBroglie = h / p = h / mv E kin (e-) = h ν - Φ = h ν - h ν 0 = R n E Z n 2 2 Δx Δp ~ h p = mv Particle in a box (1-D Quantum): E n = h 2 n 2 /8mL 2 ; n = 1, 2, 3. .. PV = nRT E RT kin 2 = 3 M v 3RT rms = Δ E = q + w w = - P ext Δ V Δ E = nR Δ T 2 3 N 0 = 6.02214 x 10 23 mol -1 R = 2.179874 x 10 -18 J R = 3.28984 x 10 15 Hz k = 1.38066 x 10 -23 J K -1 h = 6.62608 x 10 -34 J s m e = 9.101939 x 10 -31 kg c = 2.99792 x 10 8 m s -1 Gas Constant: R = 8.31451 J K -1 mol -1 R = 8.20578 x 10 -2 L atm K -1 mol -1 T (K) = T (C) + 273.15 F = 96,485 C / mol 1 V = 1 J / C 1 nm = 10 -9 m 1 kJ = 1000 J h Name_________________________ Page 3 S ECTION  1: P ERIODIC  T ABLE 1.) Why does the ionization energy increase when electrons are consecutively removed from an atom (mark all that apply)?
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A) The outermost electron experiences a higher effective nuclear charge. B) The remaining electrons are held more strongly.
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Chem1a-spring06-mt2-blank - Page 1 Chemistry 1A, Spring...

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