Test Bank for Chemistry 9th Edition by Zumdahl | Complete Practice Questions & Answers

TESTBANK h




CHEMISTRY

STEVENhS.hZUMDAHLh&hSUSANhA.hZUMDAHL
9th Edition
h

,Chapter 1: Chemical Foundations
h h h




1. Whichhofhthehfollowinghishanhexamplehofhahquantitativehobservation?
A) Thehpiecehofhmetalhishlongerh thanhthehpiecehofhwood.
B) Solutionh1hishmuchhdarkerhthanhsolutionh2.
C) ThehliquidhinhbeakerhAhishblue.
D) Thehtemperaturehofhthehliquidhish60°C.
E) Athleasthtwohofhthehaboveh(A-D)harehquantitativehobservations.
ANS:h h D DIF: Easy REF: 1.2
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hscientifichmethodhMS
C:hConceptual

2. Ahquantitativehobservation
A) containshahnumberhandhahunit
B) doeshnothcontainhahnumber
C) alwayshmakeshahcomparison
D) musthbehobtainedhthroughhexperimentation
E) ishnonehofhthese
ANS:h h A DIF: Easy REF: 1.2
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hscientifichmethodhMS
C:hConceptual

3. Generally,hobservedhbehaviorhthathcanhbehformulatedhintohahstatement,hsometimesh
mathematicalhinhnature,hishcalledha(n)
A) observation
B) measurement
C) theory
D) naturalhlaw
E) experiment
ANS:h h D DIF: Easy REF: 1.2
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hscientifichmethodhMS
C:hConceptual

4. Thehstatementh“Thehtotalhmasshofhmaterialshishnothaffectedhbyhahchemicalhchangehinhthoseh
materials”hishcalledha(n)
A) observation
B) measurement
C) theory
D) naturalhlaw
E) experiment
ANS:h h D DIF: Easy REF: 1.2
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hscientifichmethodhMS
C:hConceptual

5. Ahchemicalhtheoryhthath hashbeenhknownhforh ahlonghtimehbecomeshah law.

, ANS:h h F DIF: Easy REF: 1.2
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hscientifichmethodhMS
C:hConceptual

6. Whichhofhthehfollowinghmetrichrelationshipshishincorrect?
A) 1hmicroliterh=h10–6hliters
B) 1hgramh=h103h kilograms
C) 103hmillilitersh=h1hliter
D) 1hgramh=h102h centigrams
E) 10hdecimetersh=h1hmeter
ANS:h h B DIF: Easy REF: 1.3
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hmeasurementh|hSIhunith|hprefixeshM
SC:hQuantitative

7. ForhwhichhpairhishthehSIhprefixhnothmatchedhcorrectlyhwithhitshmeaning?
A)
B)
C)
D)
E)
ANS:h h C DIF: Easy REF: 1.3
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hmeasurementh|hSIhunith|hprefixeshM
SC:hConceptual

8. Ahmetrichunithforhlengthhis
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS:h h D DIF: Easy REF: 1.3
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hmeasurementh|hSIhunith|hbasehunithM
SC:hConceptual

9. Whichhofhthehfollowingh ishnothahunith inhthehSIhsystem?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS:h h E DIF: Easy REF: 1.3
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hmeasurementh|hSIhunith|hbasehunithM
SC:hConceptual

10. Orderhthehfourhmetrichprefixeshfromhsmallesthtohlargest.

, A) nano-h<hmilli-h<hcenti-h<hkilo-
B) milli-h<hnano-h<hcenti-h<hkilo-
C) kilo-h<hcenti-h<hnano-h<hmilli-
D) kilo-h<hcenti-h<hmilli-h<hnano-
E) centi-h<hnano-h<hkilo-h<hmilli-

ANS:h h A DIF: Easy REF: 1.3
KEY:h Chemistryh|hgeneralhchemistryh|hgeneralhconceptsh|hmeasurementh|hSIhunith|hprefixeshM
SC:hConceptual

11. 8.1hzkilogram(s)hzcontainshzthishzmanyzgrams.
A) 8.1hzhz10
2


B) 8.1hzhz10
3


C) 81
D) 0.81
E) 8.1hz
3
z10

ANS:h zh zhB DIF: Easy REF: 1.3
KEY:hzhChemistryz|hzgeneralhzchemistryz|hzgeneralhzconceptshz|hzmeasurementhz|hzSIhzunithz|hzmas
shzMSC:hzConceptual

12. Converthz0.3980hzmhztohzmm.
A)
B)
C)
D)
E)
ANS:h zh zhA DIF: Easy REF: 1.3
KEY:hzhChemistryz|hzgeneralhzchemistryz|hzgeneralhzconceptshz|hzmeasurementhz|hzSIhzunithz|hzpref
ixeshzMSC:hzConceptual

13. 6.1hzsecondshzcontainhzthishzmanyzpicoseconds.
A) 6.1hzhz1012
z
B) 6.1h12
z10
C) 6.1hzhz109
D) 6.1hzhz109
E) 6.1hzhz1015
ANS:h zh zhA DIF: Easy REF: 1.3
KEY:hzhChemistryz|hzgeneralhzchemistryz|hzgeneralhzconceptshz|hzmeasurementhz|hzSIhzunithz|hzpref
ixeshzMSC:hzConceptual

14. 9.49hzsecondshzcontainhzthishzmanyznanoseconds.
A) 9.49hzhz107
B) 9.49hzhz10
9


C) 9.49 hz
12
z10
D) 9.49hz
10
z10
E) 9.49hzhz10
8