Test bank for chemistry in focus molecular view of our world 6th edition tro full chapter

,DOWNLOAD THE Test Bank for Chemistry in Focus Molecular View of OurWorld 6
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th Edition Tro v v

Chapter 02 - The Chemist's Toolbox
v v v v v



1. Whenvaddingvandvsubtracting,vthevnumbervofvsignificantvfiguresvinvthevanswervisvdeterminedvby .
a. thevmostvprecisevnumber
b. thevleastvprecisevnumber
c. thevnumbervwithvthevmostvsignificantvfiguresvinvthevcalculation
d. thevnumbervwithvthevfewestvsignificantvfiguresvinvthevcalculation
ANSWER:v b
POINTS: 1

2. Whenvmultiplyingvandvdividing,vthevnumbervofvsignificantvfiguresvinvthevanswervisvdeterminedvby .
a. thevmostvprecisevnumber
b. thevleastvprecisevnumber
c. thevnumbervwithvthevmostvsignificantvfiguresvinvthevcalculation
d. thevnumbervwithvthevfewestvsignificantvfiguresvinvthevcalculation
ANSWER:v d
POINTS: 1

3. Howvmanyvsignificantvfiguresvarevtherevinvthevnumberv10.00?
a. 1
b. 2
c. 3
d. 4vAN
SWER:vdvPO
INTS: 1

4. Howvmanyvsignificantvfiguresvarevtherevinvthevnumberv10,100?
a. 1
b. 3
c. 4
d. 5vAN
SWER:vbvPO
INTS: 1

5. Calculatevthevdensityvwithvthevcorrectvnumbervofvsignificantvfiguresvofvav50.0vgvsamplevofvmercuryvwithvavvolumevof
3.66vmL.
a.v13.66vg/mL
b.v13.7vmL
c.v183vg/mL
d.v0.0732vg/mL
e.v0.073vg/mLv
ANSWER:vbvPOIN
TS: 1

6. Calculatevthevdensityvtovthevcorrectvnumbervofvsignificantvfiguresvofvav100.0vgvsamplevofvmercuryvwhichvoccupiesvav
volumevofv7.36vcm3.
a.v13.58vg/cm3
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b.v13.66vg/cm3
c.v183vg/cm3
d.v0.0732vg/cm3
e.v0.073vg/cm3v
ANSWER:vavPOIN
TS: 1

7. Determinevthevmassvinvgramsvofvavgoldvsamplevwhichvoccupiesvavvolumevofv16.39vmL?vGoldvhasvavdensityvofv19.3vg/mL.va
.v 0.118vg
b.v0.316vg
c.v 0.849vg
d.v1.18vg
e.v316vgv
ANSWER:vev
POINTS:v 1

8. Determinevthevvolumevoccupiedvbyv1.5vgvofvethylvalcohol.vThevdensityvofvethylvalcoholvisv0.789vg/mL.
a. 1.9vmL
b. 1.3vmL
c. 0.53vmL
d.v0.526vmL
e.v1.331vmLv
ANSWER:vavPO
INTS: 1

9. Chloroformvisvavcommonlyvusedvanestheticvwithvavdensityvofv1.483vg/mL.vDeterminevthevvolumevofvchloroformvneededvt
ovdelivervav9.37vgvsamplevofvthevanesthetic.
a.v 0.158vg
b.v6.32vg
c.v 13.9vg
d.v13.89vg
e.v0.0632vgv
ANSWER:vbvP
OINTS: 1

10. Ifv15.0vmLvofvavmetalvhasvavmassvofv103.0vg,vwhatvisvthevdensityvofvthevmetal?
a. 6.87vg/mL
b. 1550vg/vmL
c.v0.146vg/mL
d.v1.46vg/mL
e.vNonevofvthese.v
ANSWER:v avPOINT
S: 1

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th Edition Tro v v

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11. Thevdensityvofvgoldvisv19.3vg/mL.vIfvthevcurrentvpricevofvgoldvisv$56.75vpervgram,vwhatvisvthevvolumevofvavnuggetvofvg
oldvworthv$150.00?
a. 1.15vmL
b.v0.868vmL
c. 1.72vmL
d. 1.27vmL
e.v0.137vmLv
ANSWER:vevPO
INTS: 1

12. WhichvisvthevstandardvSIvunitvforvmass?
a. Gram
b. Pound
c. Ounce
d. Kilogram
e. Tonv
ANSWER:vdv
POINTS: 1

13. WhichvisvthevstandardvSIvunitvforvlength?
a. Meter
b. Feet
c. Mile
d. Kilometer
e. Centimeterv
ANSWER:vavPOI
NTS: 1

14. WhichvisvthevcorrectvSIvunitvforvtime?
a. Meter
b. Hour
c. Second
d. Minute
e. Gramv
ANSWER:vcv
POINTS:v 1

15. WhichvofvthesevrepresentsvthevSIvprefixvforvmicrov(μ)?
a.v 10−6
b.v10−3
c.v 10−9
d.v10−2
e.v 106
ANSWER:va
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