Test bank for chemistry 9th edition zumdahll

,Chapter 1: Chemical Foundations
v v v




1. Whichvofvthevfollowingvisvanvexamplevofvavquantitativevobservation?
A) Thevpiecevofvmetalvisvlongervthanvthevpiecevofvwood.
B) Solutionv1visvmuchvdarkervthanvsolutionv2.
C) ThevliquidvinvbeakervAvisvblue.
D) Thevtemperaturevofvthevliquidvisv60°C.
E) Atvleastvtwovofvthevabovev(A-D)varevquantitativevobservations.
ANS:v D DIF: Easy REF: 1.2
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vscientificvmethodvM
SC:v Conceptual

2. Avquantitativevobservation
A) containsvavnumbervandvavunit
B) doesvnotvcontainvavnumber
C) alwaysvmakesvavcomparison
D) mustvbevobtainedvthroughvexperimentation
E) isvnonevofvthese
ANS:v A DIF: Easy REF: 1.2
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vscientificvmethodvM
SC:v Conceptual

3. Generally,vobservedvbehaviorvthatvcanvbevformulatedvintovavstatement,vsometimesv
mathematicalvinvnature,visvcalledva(n)
A) observation
B) measurement
C) theory
D) naturalvlaw
E) experiment
ANS:v D DIF: Easy REF: 1.2
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vscientificvmethodvM
SC:v Conceptual

4. Thevstatementv“Thevtotalvmassvofvmaterialsvisvnotvaffectedvbyvavchemicalvchangevinvthosev
materials”visvcalledva(n)
A) observation
B) measurement
C) theory
D) naturalvlaw
E) experiment
ANS:v D DIF: Easy REF: 1.2
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vscientificvmethodvM
SC:v Conceptual

5. Avchemicalvtheoryvthatvhasvbeenvknownvforvavlongvtimevbecomesvavlaw.

, ANS:v F DIF: Easy REF: 1.2
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vscientificvmethodvM
SC:v Conceptual

6. Whichvofvthevfollowingvmetricvrelationshipsvisvincorrect?
A) 1vmicroliterv=v10–6vliters
B) 1vgramv=v103vkilograms
C) 103vmillilitersv=v1vliter
D) 1vgramv=v102vcentigrams
E) 10vdecimetersv=v1vmeter
ANS:v B DIF: Easy REF: 1.3
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv |vprefixesvM
SC:v Quantitative

7. ForvwhichvpairvisvthevSIvprefixvnotvmatchedvcorrectlyvwithvitsvmeaning?
A)
B)
C)
D)
E)
ANS:v C DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vprefixesvM
SC:v Conceptual

8. Avmetricvunitvforvlengthvis
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS:v D DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vbasevunitv
MSC:v Conceptual

9. WhichvofvthevfollowingvisvnotvavunitvinvthevSIvsystem?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS:v E DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vbasevunitv
MSC:v Conceptual

10. Ordervthevfourvmetricvprefixesvfromvsmallestvtovlargest.

, A) nano-v<vmilli-v<vcenti-v<vkilo-
B) milli-v<vnano-v<vcenti-v<vkilo-
C) kilo-v<vcenti-v<vnano-v<vmilli-
D) kilo-v<vcenti-v<vmilli-v<vnano-
E) centi-v<vnano-v<vkilo-v<vmilli-
ANS:v A DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vprefixesvM
SC:v Conceptual

11. 8.1vkilogram(s)vcontainsvthisvmanyvgrams.
A) 8.1vv102
B) 8.1vv103
C) 81
D) 0.81
E) 8.1vv103
ANS:v B DIF: Easy REF: 1.3
KEY:v Chemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv |vSIvunitv|vmassvMSC
:v Conceptual

12. Convertv0.3980vmvtovmm.
A)
B)
C)
D)
E)
ANS:v A DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vprefixesvM
SC:v Conceptual

13. 6.1vsecondsvcontainvthisvmanyvpicoseconds.
A) 6.1vv1012
12
B) 6.1vv10
9
C) 6.1vv10
D) 6.1vv109
E) 6.1vv1015
ANS:v A DIF: Easy REF: 1.3
KEY:vChemistryv|vgeneralvchemistryv|vgeneralvconceptsv|vmeasurementv|vSIvunitv|vprefixesvM
SC:v Conceptual

14. 9.49vsecondsvcontainvthisvmanyvnanoseconds.
A) 9.49vv107
B) 9.49vv109
C) 9.49vv1012
D) 9.49vv1010
E) 9.49vv108