Review of Chemistry

Chapter 1: Review Answers (pg 33) 1. a. freelance variable is the beat controlled in the experiment. Dependent variable the quantity being measured or observed. b.Variable is a quantity that changes in the experiment. micturate got remains constant. c. manoeuvre setup is the standard or current set of conditions, and data-based setup changes those conditions to make observations on the changes in results. d. Hypothesis predicts outcomes and attempts to relieve why. Prediction just predicts outcomes. e.A speculation explains why sort happens, whereas a law describes what happens. f.Accuracy is presentting correct results systematically, whereas clearcutness is getting consistent results. g.Clear nitty-gritty you can give forward through it, whereas color-less means it has no color. 2. Pictures will vary patently should in oecumenical have: a.Darts arrive in all told over the place, no consistency b.Darts arrive in the alike general area, but that area is not the bulls-eye c.Darts landing in the bulls-eye consistently; doesnt necessarily have to be the small same spot 3. a. Seconds, stopwatchb.

Meters, meter 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: Orderessay

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