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# answer+1 - value b Uncertainty is the degree of doubt in a...

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Assignment 1 47, 48, 49, 50, 51, 61, 63, 64, 65, 66, 67, 68, 69, 73, 75, 93 answers to the odd number questions, see your solution manual. 1.48 a. physical change b. chemical change c. chemical change 1.50 a. chemical property b. physical property c. physical property 1.64 a. Error is the difference between the true value and our estimation, or measurement, of the
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Unformatted text preview: value. b. Uncertainty is the degree of doubt in a single measurement. 1.66 a. = 6.64 x 10 –2 b. = 2.2 x 10 3 c. (0.0063)(57.8) = 3.6 x 10 –1 d. 18 + 52.1 = 7.0 x 10 1 e. 58.17 – 57.79 = 3.8 x 10 –1 1.68 a. 3,240 b. 0.000150 c. 0.4579 d. –683,000 e. –0.0821 f. 299,790,000 g. 1.50 h. 602,000,000,000,000,000,000,000...
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