CHEM 101 Final: Practice_Final Exam_101_SU14.pdf

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3 Sep 2014
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Speed of light: c = 3. 00 108 m/s. Planck constant: h = 6. 63 10-34 j s. Rydberg constant: rh = 2. 179 10-18 j. 1 hz = 1 s-1 q = m c t specific heat of water = 4. 18 j g-1 c-1. Page 1 of 11: consider a 5. 0 g sample of each of the following elements: ra, rb, rh, rn, ru. Which sample contains the highest number of atoms: ra, rb, rh, rn, ru, which of the following molecular formulas is incorrect, bacl2, mgs, caco3, al3s2, nai, the length of the h-h covalent bond is 109 pm. Mg + i2 mgi2: 9. 20 g, 18. 4 g, 27. 4 g, 49. 0 g, 195 g, determine the percent carbon in the acetate ion, ch3coo-, 24. 0, 59. 0, 20. 3, 40. 7, 59. 3% 3: nah2, na+, 2h+, p, and 4o2, na+, 2h+, p3-, and 4o2- 2: na+ and h2po4, na+, h+, and po4. I k2s + ii alcl3 iii kcl + iv al2s3.