chapter 0

General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 0 Chemical Tools: Tools: Experimentation and Measurement

0.1 Multiple Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hpothesis. C) a prediction. !) a theor. Answer" ! !iff" 1 #opic" #opic" $ection 0.1 %xperiment&'pothesis&#heor" %xperiment&'pothesis&#heor" Approachin( Chemistr Chemistr ) An interpretation of the results of man tests is called A) an experiment. B) a hpothesis. C) a prediction. !) a theor. Answer" B !iff" 1 #opic" #opic" $ection 0.1 %xperiment&'pothesis&#heor" %xperiment&'pothesis&#heor" Approachin( Chemistr Chemistr *) #he fundamental $+ unit of mass is the A) centi(ram. B) (ram. C) kilo(ram. !) milli(ram. Answer" C !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr ,) -hich of the followin( is a fundamental $+ nit/ A) centimeter  B) kilo(ram C) microsecond !) milliliter  Answer" B !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr

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) All of the followin( are fundamental $+ units except the A) (ram. B) elvin. C) meter. !) second. Answer" A !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr 2) -hat smbol is used to express the factor3 1042/ A) M B) m C) 5 !) n Answer" C !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr 6) -hat smbol is used to represent the factor 10 4*/ A) M B) m C) 5 !) n Answer" B !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr Al(o. 7ption" al(orithmic 8) -hat smbol is used to represent the factor 10 49/ A) M B) m C) 5 !) n Answer" ! !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr Al(o. 7ption" al(orithmic 9) #he factor 0.01 corresponds to which prefix/ A) deka B) deci C) centi !) milli Answer" C !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr Al(o. 7ption" al(orithmic 2 Copyright © 2014 Pearson Education, Inc.

10) #he factor 104 corresponds to which prefix/ A) deka B) deci C) centi !) milli Answer" C !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr Al(o. 7ption" al(orithmic 11) Convert .100 : 104* to ordinar notation. A) 0.000100 B) 0.00100 C) 10.0 !) 100 Answer" B !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr 1) Convert 0.00*00 to standard scientific notation. A) *.00 : 104* B) *00 : 1042 C) *.00 : 10* !) *00 : 102 Answer" A !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr 1*) A sailor circumnavi(ated the earth and covered cove red ,32,3000 meters. %xpress this number in standard scientific notation. A) ,.2, : 1046 m B) ,.2, : 1042 m C) ,.2, : 102 m !) ,.2, : 106 m Answer" C !iff" 1 #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr

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1,) -ithout usin( a calculator3 solve the followin( problem" =;1: 10  ) : ;1 : 10  )<  ;1 : 10

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A) 1 : 1042 B) 1 : 10, C) 1 : 10, !) 1 : 10*, Answer" C !iff"  #opic" #opic" $ection 0. %xperimentation %xperimentation and Measurement in Chemistr Al(o. 7ption" al(orithmic 1) -ithout usin( a calculator3 solve the followin( problem" =;1: 10 4  ) : ;1: 10  )