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Unformatted text preview: 2) . A sample of antimony metal occupies a volume of 64.22 mm 3 . If the density of antimony is 6.66 g/mL, and the atomic mass is 121.760 g/mol, how many atoms of antimony are present in this sample? 3) . A 786.55 lb object is moving at a speed 186,000 miles/second. What energy (in MJ) is exerted by this object? 4) . Perform the following operations and express the solution with the proper number of significant figures: a) . 0.08206 * (273.15 + 1.2) 3.25 x 7.006 b) . (604.01 + 0.53) * 321.81 * 1.80 x 10-3 3.530 x 10-3...
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- Spring '07