Introductory Chemistry 8th Edition by Steven S. Zumdahl - Test Bank.pdf

,Name Clas Dat
m
: s: e:

Chapterm01 m-
mChemistry: mAn mIntroduction
1. Definemthemfollowingmterms:
a. science
b. chemistry
ANSWER: a.mSciencem-
mamframeworkmformgainingmand morganizingmknowledge.mIt mismamproceduremformprocessingmand mundersta

ndingmcertainminformation.
b. Chemistrym-
mthemsciencemthat mdealsmwithmthemmattermof mthemuniversemand mthemchangesmit mcanmundergo.




2. Definemthemfollowingmterms:
a. scientificmmethod
b. naturalmlaw
c. hypothesis
d. theory
ANSWER: a.mScientificmmethod m-mthemprocessmormstepsmof mscientificminquiry.
b. Naturalmlaw m-mamstatement mdescribingmobserved mbehavior.
c. Hypothesism-mampossiblemexplanationmformanmobservation.
d. Theorym-
mamset mof mtestsed mhypothesesmthat mgivesmanmexplanationmformsomembehaviormormobservationm(alsomca

lled mammodel).

3. Whichmof mthemfollowingmismnotmamstepminmthemscientificmmethod?
a. Makemanmobservation.
b. Formulatemamhypothesis.
c. Performmanmexperiment.
d. Changemresultsmtomagreemwithmyourmhypothesis.
e. Developmamtheorym(ormmodel).
ANSWER: d

4. A m ismamsummarymof mobserved mbehavior,mand mam ismanmexplanationmof mbehavior.
a. law,mmeasurement
b. theory,mscientificmmethod
c. theory,mlaw
d. law,mtheory
e. hypothesis,mtheory
ANSWER: d

5. Generally,mobserved mbehaviormthat mcanmbemformulated mintomamstatement,msometimesmmathematicalminmnature,
ismcalled ma(n)
m

a. observation
b. measurement
c. theory
d. naturalmlaw
CopyrightmCengagemLearning.mPoweredmby mCogne Pagem1
ro.

,Name Clas Dat
m
: s: e:

Chapterm01 m-
e. experiment
mChemistry: mAn mIntroduction

ANSWER: d




CopyrightmCengagemLearning.mPoweredmby mCogne Pagem2
ro.

, Name Clas Dat
m
: s: e:

Chapterm01 m-
mChemistry: mAn mIntroduction
6. Themstatement m“Themtotalmmassmof mmaterialsmismnot maffected mbymamchemicalmchangeminmthosemmaterials”mismcal
led ma(n)
a. observation
b. measurement
c. theory
d. naturalmlaw
e. experiment
ANSWER: d

7. A mset mof mtested mhypothesesmthanmgivesmanmoverallmexplanationmof msomempart mof mnature,mismcalled ma(n)
a. observation
b. measurement
c. theory
d. naturalmlaw
e. experiment
ANSWER: c

8. Somethingmdonemtomtest mamhypothesismthat mproducesmnew mobservationsmismcalled ma(n)
a. observation
b. measurement
c. theory
d. naturalmlaw
e. experiment
ANSWER: e

9. A mquantitativemobservation
a. containsmamnumbermand mamunit
b. doesmnot mcontainmamnumber
c. alwaysmmakesmamcomparison
d. must mbemobtained mthroughmexperimentation
e. ismnonemof mthese
ANSWER: a

10. Whichmof mthemfollowingmismanmexamplemof mamquantitativemobservation?
a. Thempiecemof mmetalmismlongermthanmthempiecemof mwood.
b. Solutionm1mismmuchmdarkermthanmsolutionm2.
c. Themliquid minmbeakermA mismblue.
d. Themtemperaturemof mthemliquid mism60°C.
e. At mleast mtwomof mthemabovem(A-D)maremquantitativemobservations.
ANSWER: d

CopyrightmCengagemLearning.mPoweredmby mCogne Pagem3
ro.