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Chapter 1

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Chemistry [1]
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Statistics [2]
measurement [3]
Thought [4]
Statistical theory [5]
Ficus [6]
Accuracy and precision [7]
Significant Figures [8]
Uncertainty [9]
systematic error [10]
Trailing zero [11]

Chapter 1.3 (Pages 8-10) SI system- International System of units. Based on/ Derived from metric system. Quantitative Observation- Measurement Consists of a number and a scale (unit) Mass- Measure of resistance of an object to a change in its state of motion Weight- Force gravity exerts on an object Chapter 1.4-1.5 (pages 11-18) Uncertainty- Estimated number in a measurement A measurement always has some degree of uncertainty Assumed to be +/- 1 unless otherwise indicated Precision- the degree of agreement among several measurements of the same quantity (reproducibility) Accuracy- Agreement of a particular value with the true value Errors:

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