Chemistry Review

Chapter 3.1 Measurement: a quantity that has both a ph bingle anatomy and a unit. Scientific Notation: a coefficient and 10 embossed to a power. The coefficient must ceaselessly be greater to or equal to one and less than ten.  true statement: measure of how conclude a measurement comes to the actual foster of whatever is measured.  detailedness: measure of how close a serial publication of measurements ar to one another. Accepted Value: the correct rank based on reliable references Experimental Value: the apprise measured in the lab. Error: oError = experimental value accepted value Percent phantasm: oPercent Error = |error| x 100% Accepted value Significant Figures: altogether of the digits that are known, plus a last digit that is estimated. oMeasurements must always be reported to the correct estimate of sig. figs. Because calculated answers ofttimes depend on the # of sig. figs. In the determine used in the calculation. Rules For Sig. Figs: 1.All non goose egg digits are large  1466 = 4 sig figs 2.Zeros: oZeros between non zero digits are profound  1048 = 4 sig figs oFinal zeros are ONLY sig when tenfold is used  70.4 = 3 sig figs oInitial zeros are neer significant  0.0071 = 2 sig figs 3.

Counted or defined numbers accept an infinite number of sig figs  23 people in a room or 60 mins = 1 hr In calculations, a issuance cannot be more precise than the to the lowest degree precise measurement from which it was calculated. Chapter 3.2 ! S.I. Units: oLengthmeter (m) oMass kilogram (kg) oTemperature Kelvin (K) omagazine second (s) oAmount of nerve mole (mol) oLuminous intensity candela (cd) oElectric authorized ampere (A)  metrical Prefixes: oMega (M) 106 oKilo (k) 103 oDeci (d) 10-1 oCenti (c) 10-2 oMilli (m) 10-3 oMicro (µ) 10-6 oNano (n) 10-9 o...If you hope to get a full essay, vow it on our website: OrderCustomPaper.com

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