chem1A-fa06-mt1-Kubinec-soln

chem1A-fa06-mt1-Kubinec-soln - KEY Chemistry 1A, Fall 2006...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Page 1 KEY Chemistry 1A, Fall 2006 Midterm 1, Version A Sept 19, 2006 (90 min, closed book) Name:___________________ SID:_____________________ TA Name:________________ x There are 24 Multiple choice questions worth 2.5 points each. x There are 4, multi-part short answer questions. x For the multiple choice section, fill in the Scantron form AND circle your answer on the exam. x Put your final answers in the boxes provided. Full credit cannot be gained for answers outside the boxes provided. x The homework and chemquizzes that each question is based upon is listed after the question e.g. [HW 1.13, CQ 7.3] Question Score Multiple Choice Section Question 25 Question 26 Question 27 Question 28 Total
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Page 2 Thermodynamics: ' G q = ' H q - T ' S q ' H q = 6 ' H q f (products) - 6 ' H q f (reactants) ' S q = 6 S q (products) - 6 S q (reactants) ' G q = 6 ' G q f (products) - 6 ' G q f (reactants) S = k B lnW ' S = q rev /T ' E = q + w w = - P ext ' V for aA + bB cC + dD b a d c B A D C Q ] [ ] [ ] [ ] [ At equilibrium, Q = K ' G = ' G q + RTln Q G = G° + RTln(a); a = activity = Ȗ P/P° or Ȗ [A]/[A]° ' G q = - RTln K ' G q = - nF ' ȯ º ' ȯ = ' ȯ º - (RT/nF) lnQ R S T R H K q ' ± q ' ² 1 ln ¨ T = ik b,f m Ȇ = iMRT P total = P A + P B = X A P A ° + X B P B ° Acid Base: pH = - log[H 3 O + ] pX = - log X ] [ ] [ log HA A pK pH a ² ± Kinetics: [A] t = [A] 0 e -kt ln[A] t = ln[A] 0 ± kt t 1/2 = ln2/k 1/[A] t = 1/[A] 0 + kt k = A e (-Ea/RT) ln(k 1 /k 2 ) = E a /R ( 1/T 2 ± 1/T 1 ) t 1/2 = 1/[A] 0 k t 1/2 = [A] 0 /kt Quantum: E = h Q OQ = c O deBroglie = h / p = h / mv E kin (e-) = h Q - ) = h Q - h Q 0 f ² R n Z E n 2 2 ¨ x ¨ p ~ h p = mv Particle in a box (1-D Quantum): E n = h 2 n 2 /8mL 2 ; n = 1, 2, 3. .. Vibrational: E v = (v + ½) hA/2 ʌ ; A =(k/m) ½ Rotational: E n = n(n + 1) hB; B = h/8 ʌ 2 I; I = 2mr 2 m = m A m B /(m A + m B ) Ideal Gas: PV = nRT RT E kin 2 3 M 3RT v rms Contants: N 0 = 6.02214 x 10 23 mol -1 R f = 2.179874 x 10 -18 J R f = 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 T (K) = T (C) + 273.15 F = 96,485 C / mol 1 V = 1 J / C Gas Constant: R = 8.31451 J K -1 mol -1 R = 8.20578 x 10 -2 L atm K -1 mol -1 1 nm = 10 -9 m 1 kJ = 1000 J 1 atm = 760 mm Hg = 760 torr § 1 bar 1 L atm § 100 J
Background image of page 2
P a g e 3 M ULTIPLE C HOICE For questions 1-3, complete the following table by filling in the numbered boxes. If an entry cannot be determined from the information given and the information on your periodic table, enter CBD (cannot be determined). Atomic masses are given in amu to three significant figures. Provide symbols as shown, using CBD if the complete symbol cannot be determined. Then answer the following multiple choice questions.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/04/2011 for the course CHEM 1A taught by Professor Nitsche during the Spring '08 term at University of California, Berkeley.

Page1 / 11

chem1A-fa06-mt1-Kubinec-soln - KEY Chemistry 1A, Fall 2006...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online