CHEM 101 Midterm: CHEM 101 Drexel CHEM 101 Exam 3 WINTER 08 09 with answers

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15 Feb 2019
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On the answer sheet (scantron) write you name, student id number, and recitation section number. Choose the best (most correct) answer for each question and enter it on your answer sheet. Speed of light: c = 3. 00 x 108 m(cid:121)s-1. Planck"s constant: h = 6. 626 x 10-34 j(cid:121)s. Rydberg constant: r = 2. 179 x 10-18 j. E = hc/ = h q = m c t. The calorimeter has a heat capacity of 883 j/ c. How much heat is given off by the sample: 0. 944 kj, 16. 3 kj, 17. 1 kj, 18. 2 kj, 21. 5 kj. Tio2(s) + 4hcl(g) using the information given below: Ti(s) + 2cl2(g: 320. 1 kj, 233. 7 kj, 233. 7 kj, 320. 1 kj, 504. 7 kj. H = 804. 2 kj: the standard enthalpies of formation for several substances are given below: Determine the heat of vaporization for h2o and c2h5oh: 241. 8 and 235. 1 kj, 241. 8 and 325. 1 kj, 44. 0 and 42. 6 kj, 54. 0 and 42. 6 kj, 44. 0 and 42. 6 kj.