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Unformatted text preview: 1 Chem. 1B Midterm Exam 2 May 20, 2011 FORM A There are a total of six pages ( 14 questions ) on the exam. All questions are of equal value. Carry out your work on the exam and circle the answers. Please keep the exam so you can check your answers. Answers will be posted on our course web page Enter your answers on your Scantron form. SCANTRON FORM: Completely fill bubbles Completely fill answers (1) Write your name (2) Bubble in FORM A (3) Bubble in your PERM number (7 digits only, no extra numbers) INFORMATION PAGE: Only aid allowed is the data and formula page previously provided. No other notes or books are allowed. INSTRUCTIONS: Cell Phones, iPods, headsets, and any other electronic devices must be turned off and put away. Please remain seated until 12:50PM 1. Given the data below, what is the rate law for the reaction + → ? Experiment # [A] (M) [B] (M) Initial rate (M/s) 1 0.1 0.2 9.60 x 10-6 2 0.2 0.1 2.40 x 10-6 3 0.2 0.2 1.92 x 10-5 4 0.1 0.1 1.20 x 10-6 (A) Rate = k [A] 2 [B] 2 (B) Rate = k [A][B] 3 (C) Rate = k [A] 3 [B] (D) Rate = k [A] 2 [B] (E) Rate = k [A] 4 _________________________________________________________________________ 2 2. Calculate the pH in the cathode compartment for the reaction shown below, given the following data: ℰ = 0.73 ; 3 − = 1.0 M; [Cu 2+ ] = 1.0 M; and [Cu + ] = 1.0 M 3 − + 6 + + 5...
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This note was uploaded on 06/07/2011 for the course CHEM 1C taught by Professor Hooker during the Spring '06 term at UCSB.
- Spring '06