Review of Chemistry

Chapter 1: Review Answers (pg 33) 1. a. unconditional variable is the total controlled in the experiment. Dependent variable the quantity being measured or observed. b.Variable is a quantity that changes in the experiment. book got remains constant. c. govern 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 apologize why. Prediction just predicts outcomes. e.A conjecture explains why sort happens, whereas a law describes what happens. f.Accuracy is presentting correct results consistently, whereas precision is getting consistent results. g.Clear substance you can give external through it, whereas color-less means it has no color. 2. Pictures will vary but should in everyday have: a.Darts arrive in solely over the place, no consistency b.Darts landing 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, verse 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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