CHEM 101 Midterm: CHEM 101 Drexel CHEM 101 Exam 2 WINTER 08 09 VER. A no answers
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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 s-1. Planck"s constant: h = 6. 626 x 10-34 j s. Rydberg constant: r = 2. 179 x 10-18 j. E = hc/ = h q = m c t. 1: water (specific heat = 4. 184 j g. 1 c iron (specific heat = 0. 451 j g. 1: gold (specific heat = 0. 128 j g. 1 c: copper (specific heat = 0. 385 j g, not enough information to determine. 1) with an initial temperature of 48. 6 c is heated with: a 20. 0 g sample of aluminum (specific heat = 0. 902 j g. What is the final temperature of the sample: 76. 8 c, 26. 2 c, 72. 3 c, 23. 7 c, 24. 9 c. 1: 43. 3 j mol, 5. 30 1022 j mol.
