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Exam 2.Form A.WhiteVersion.2008

Exam 2.Form A.WhiteVersion.2008 - Chem 1B Exam 2 FORM Name...

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1 Chem. 1B Exam 2 FORM A First letter of your last name: February 27, 2008 Name: Last Name First Name Perm # INSTRUCTIONS: No hats allowed. No sharing of calculators. Cell Phones, iPods, headsets, etc. must be turned off and put away. SCANTRON FORM: Use a PENCIL 1) Write your name 2) Bubble in FORM A 3) Bubble in your PERM number (7 digits only, no extra numbers) INFORMATION PAGE: An information page is provided separately. No other notes or books are allowed. There are 16 questions. Each question is worth 5 points. Select only ONE answer for each question. Work out the problems and write your answers on this exam. Turn in the Scantron form only . Keep the exam so you can check your work and your answers. 1. The potential energy diagram for the reaction, 2 A + B C, is shown below. Which of the following statements is true? a) The reaction is endothermic b) The reaction is exothermic c) The magnitude of the activation energy is greater than the change in energy, |E a | > | Δ E | d) Both (a) and (c) are true e) Both (b) and (c) are true
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