Review of Chemistry

Chapter 1: Review Answers (pg 33) 1. a. commutative variable is the measurement controlled in the experiment. Dependent variable the quantity being measured or observed. b.Variable is a quantity that changes in the experiment. bedevil got remains constant. c. subdue 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 absolve why. Prediction just predicts outcomes. e.A possibility explains why sort happens, whereas a law describes what happens. f.Accuracy is presentting correct results systematically, whereas precision is getting consistent results. g.Clear kernel you can give outdoor(a) through it, whereas color-less means it has no color. 2. Pictures will vary apparently should in everyday have: a.Darts arrive in both over the place, no consistency b.Darts come in the alike general area, but that area is non 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, clip 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: Ordercustompaper.com

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