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Chap_1_HW_solutions

Chap_1_HW_solutions - Chapter 1 homework solutions

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Chapter 1 Homework Solutions 32. Perform the following mathematical operations, and express each result to the correct number of significant figures. a. = × × 01 . 1 273 0821 . 0 102 . 0 b. = × × 23 10 022 . 6 14 . 0 c. = × × × × × 2 3 4 10 34993 . 7 10 021 . 5 10 0 . 4 d. = × × 7 6 10 00 . 3 10 00 . 2 34. Perform the following mathematical operations, and express the result to the correct number of significant figures. a. = × × × 2 23 10 05 . 1 10 022 . 6 b. = × × × × 9 8 34 10 54 . 2 10 998 . 2 10 6262 . 6 c. = × + × + × 1 3 2 10 879 . 1 10 24 . 1 10 285 . 1 d. = × × 3 2 10 24 . 1 10 285 . 1 e. ( ) = × 23 10 02205 . 6 00728 . 1 00866 . 1 f. = × × × × 100 10 875 . 9 10 795 . 9 10 875 . 9 2 2 2 g. = × + × + × 3 10 625 . 1 10 234 . 8 10 42 . 9 3 2 2
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38. Perform the following unit conversions. a. 908 oz. to kilograms b. 12.8 L to gallons c. 125 mL to quarts d. 2.89 gal to milliliters e. 4.48 lb to grams f. 550 mL to quarts
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52. Convert the following Kelvin temperatures to Celsius and Farenheit degrees. a. the temperature that registers the same value on both the Farenheit and Celsius scales, 233 K b. the boiling point of helium, 4 K c. the temperature at which many chemical quantities are determined, 298 K
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