Review of Chemistry

Chapter 1: Review Answers (pg 33) 1. a. Independent variable is the quantity controlled in the experiment. Dependent variable the quantity being measured or observed. b.Variable is a quantity that changes in the experiment. welcome got remains constant. c. confine setup is the standard or current set of conditions, and observational setup changes those conditions to make observations on the changes in results. d. Hypothesis predicts outcomes and attempts to apologise why. Prediction just predicts outcomes. e.A theory explains why sort happens, whereas a law describes what happens. f.Accuracy is presentting correct results consistently, whereas preciseness is set forthting consistent results. g.Clear way of life you can give away through it, whereas color-less means it has no color. 2. Pictu res will vary plainly should in general have: a.Darts arrive in all over the place, no soundbox b.Darts landing in the alike general field of operation, but that area is not the bulls-eye c.Darts landing in the bulls-eye consistently; doesnt inevitably have to be the small same spot 3. a. Seconds, stopwatchb.

Meters, pulsation stick c. Liters, graduated cylinderd.Kilograms, balance 4.0.125 L5.8.256 mm6.2540 m 7.0.125 L8.0.8954 m9.0.000025 km 10.0.0785 dg 11.a.2d.4g.3j.4 b.2e.3h.1k.5 c.4f.3i.2 12.a.1.20 x 10 ge.1.30 x 10^-4 km b.1.20 x 10³ gf.1.23 x 10?¹ s c.1.950 x 10ºcmg.! g. 2.00 x 10² g d.2.00 x 10^4 mh.h. 4.57 x 10?³ L 13.a. 1.5 gc.126000 km b.0.00125 md.0.010200 g 14.a.12.521 m + 1.29 m = 13.81 m b.82.1 g 19.02 g = 63.1 g c.1925 L + 1.034 L = 1926 L d.20.1 g/L x 1.2 L = 24 g e.15.75 L x 20.021 g/L = 315.3 g f.12.2 g ÷ 1.9 g/L = 6.4 LIf you want to get a full essay, order it on our website: BestEssayCheap.com

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