F07_114AExam2 v1

F07_114AExam2 v1 - Name:_ TA:_ CHM 114A Exam 2 VERSION 1...

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Name:__________________ TA:__________________ CHM 114A Exam 2 Version 1 -1- Copyright 2007 by Pam Marks CHM 114A Exam 2 VERSION 1 October 5, 2007 1. You are responsible for the information on this page. Please read it carefully. 2. Print and bubble in your name and 10-digit affiliate identification number on the scantron. Use only a #2 pencil. 3. Do all calculations on the exam pages. Do not make any unnecessary marks on the answer sheet. 4. This exam consists of 25 multiple choice questions worth 4 points each and a periodic table. Make sure you have them all. 5. Choose the best answer to each of the questions and answer it on the scantron sheet. Read all responses before making a selection. 6. For your own record, circle your answer choices on the exam booklet. Exam booklets will be returned to you. 7. A periodic table is attached as the last page to this exam. 8. Turn in both your exam booklet and your scantron. Answers will be posted online this afternoon Potentially useful information: K = ºC + 273.15 Avogadro’s Number = 6.022 × 10 23 particles/mole Δ E = q + w q = ( Sp. Heat) × m × Δ T q = (Heat Capacity) × Δ T Specific Heat water = 4.184 J/g ° C Δ H ° rxn = n Δ H f ° (products) n Δ H f ° (reactants) 18 22 8 34 18 11 2.18 10 ( ) Constants: 3.00 10 / 6.63 10 2.18 10 photon if H c v λ hc Eh v EJ nn cm s hJ s Rx J λ = == Δ= × = Activity Series Li (Most Active) K Ba Ca Na Mg Al Zn Fe Cd Ni Sn Pb H Cu Hg Ag Au (Least Active) Solubility Info: All compounds containing any of the following are soluble: Na + , K + , NH 4 + , NO 3 12 el kQ Q E d =
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-2- Copyright 2007 by Pam Marks CHM 114A Exam 2 Version 1 1. A sample of octane burns releasing 2290 joules of heat to the surroundings, and the gasses produced expand against a piston to do 560 joules of work. Calculate the internal energy change for this reaction.
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F07_114AExam2 v1 - Name:_ TA:_ CHM 114A Exam 2 VERSION 1...

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