PortagemLearning
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
m
m
Examm1-6m
EXAM 1 m
Questionm1m
1. Convertm1005.3mtomexponentialmformmandmexplainmyourmanswer.m
2. Convertm4.87mxm10-6mtomordinarymformmandmexplainmyourmanswer.m
Answer:m
1. Convertm1005.3m=mlargermthanm1m=mpositivemexponent,mmovemdecimalm3mplacesm=m1.0
053mxm103m
2. Convertm4.87mxm10-
6m=negativemexponentm=smallermthanm1,mmovemdecimalm6mplacesm=m0.00000487m
Questionm2m
Usingmthemfollowingminformation,mdomthemconversionsmshownmbelow,mshowingmallmwork:m
1mftm=m12minches 1mpoundm=m16moz 1mgallonm=m4mquartsm
1mmilem=m5280mfeet 1mtonm=m2000mpounds 1mquartm=m2mpintsm
kilom(=m1000) millim(=m1/1000) centim(=m1/100)m
m
,PortagemLearning
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
decim(=m1/10)m
1. 2.73mlitersm=m?mml 2. 8.6mptsm=m?mqtsm
Answer:m
1.m2.73mlitersmxm1000mmlm/m1mliterm=m2730mmlm
2.m 8.6mptsmxm1mqtm/m2m ptsm=m4.3m qtsm
Questionm3m
Domthemconversionsmshownmbelow,mshowingmallmwork:m
1. 248oCm=m?moKm
2. 25oFm=m?moCm
3. 175oKm=m?moFm
Answer:m
1. 248oCm+m273m=m521moK oCm→moKm(makemlarger)m+273m
m
,PortagemLearning
m m/mCHEMm103m Examm1-6mFinalm
mm2021 m
m
2.m 25oFm-m32m÷m1.8m=m-3.88moCm oFm→moCm(makemsmaller)m-32m
÷1.8m m m
m
m
m
175oKm-m273m=m-98moCmxm1.8m+m32m=m- oKm→moCm→moFm
3.m 144.4m oFm
Questionm4m
Bemsuremtomshowmthemcorrectmnumbermofmsignificantmfiguresminmeachmcalculation.m
1. Showmthemcalculationmofmthemmassmofmam17.9mmlmsamplemofmchloroformmwithmden
sitymofm1.49mg/mlm
2. Showmthemcalculationmofmthemvolumemofm19.4mgramsmofmcresolmwithmdensitymofm1
.02mg/mlm
Answer:m
1. Mm=mDmxmVm=m1.49m xm17.9m=m 26.7mgm
2.
Vm=mMm/mDm=m19.4m/m1.02m=m19.0m
mlmQuestionm5m
1. 1.35601mcontainsm?msignificantmfigures.m
2. 0.151mcontainsm?msignificantmfigures.m
3. 1.35601m+m0.151m=m?m(givemanswermtomcorrectmnumbermofmsignificantmfigures)m
Answer:m
m
, PortagemLearning
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
1. 1.35601mcontainsm6msignificantmfigures.m
2. 0.151mcontainsm3msignificantmfigures.m
3. 1.35601m+m0.151m=m1.50701m=m1.507m(tomthemthousandsmplacemform0.151)m
Questionm6m
Classifymeachmofmthemfollowingmasmanmelement,mcompound,msolutionmormheterogeneousm
mixturemandmexplainmyourmanswer.m
1. Honeym
2. Hydrogenmiodidem
3. Team
Answer:m
1. Honeym-mismnotmonmperiodicmtablem(notmelement)m-
mnomelementmnamesm(notmcompound)
appearsmtombemonemsubstancem=mSolutionm
2. Hydrogenmiodidem-mismnotmonmperiodicmtablem(notmelement)m-mhasmtwomelementmnamesm
=mCompoundm
3. Team-mismnotmonmperiodicmtablem(notmelement)m-
m nomelementmnamesm(notmcompound)mappearsmtombemonemsubstan
m
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
m
m
Examm1-6m
EXAM 1 m
Questionm1m
1. Convertm1005.3mtomexponentialmformmandmexplainmyourmanswer.m
2. Convertm4.87mxm10-6mtomordinarymformmandmexplainmyourmanswer.m
Answer:m
1. Convertm1005.3m=mlargermthanm1m=mpositivemexponent,mmovemdecimalm3mplacesm=m1.0
053mxm103m
2. Convertm4.87mxm10-
6m=negativemexponentm=smallermthanm1,mmovemdecimalm6mplacesm=m0.00000487m
Questionm2m
Usingmthemfollowingminformation,mdomthemconversionsmshownmbelow,mshowingmallmwork:m
1mftm=m12minches 1mpoundm=m16moz 1mgallonm=m4mquartsm
1mmilem=m5280mfeet 1mtonm=m2000mpounds 1mquartm=m2mpintsm
kilom(=m1000) millim(=m1/1000) centim(=m1/100)m
m
,PortagemLearning
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
decim(=m1/10)m
1. 2.73mlitersm=m?mml 2. 8.6mptsm=m?mqtsm
Answer:m
1.m2.73mlitersmxm1000mmlm/m1mliterm=m2730mmlm
2.m 8.6mptsmxm1mqtm/m2m ptsm=m4.3m qtsm
Questionm3m
Domthemconversionsmshownmbelow,mshowingmallmwork:m
1. 248oCm=m?moKm
2. 25oFm=m?moCm
3. 175oKm=m?moFm
Answer:m
1. 248oCm+m273m=m521moK oCm→moKm(makemlarger)m+273m
m
,PortagemLearning
m m/mCHEMm103m Examm1-6mFinalm
mm2021 m
m
2.m 25oFm-m32m÷m1.8m=m-3.88moCm oFm→moCm(makemsmaller)m-32m
÷1.8m m m
m
m
m
175oKm-m273m=m-98moCmxm1.8m+m32m=m- oKm→moCm→moFm
3.m 144.4m oFm
Questionm4m
Bemsuremtomshowmthemcorrectmnumbermofmsignificantmfiguresminmeachmcalculation.m
1. Showmthemcalculationmofmthemmassmofmam17.9mmlmsamplemofmchloroformmwithmden
sitymofm1.49mg/mlm
2. Showmthemcalculationmofmthemvolumemofm19.4mgramsmofmcresolmwithmdensitymofm1
.02mg/mlm
Answer:m
1. Mm=mDmxmVm=m1.49m xm17.9m=m 26.7mgm
2.
Vm=mMm/mDm=m19.4m/m1.02m=m19.0m
mlmQuestionm5m
1. 1.35601mcontainsm?msignificantmfigures.m
2. 0.151mcontainsm?msignificantmfigures.m
3. 1.35601m+m0.151m=m?m(givemanswermtomcorrectmnumbermofmsignificantmfigures)m
Answer:m
m
, PortagemLearning
m
m/mCHEMm103m Examm1-6mFinalm
2021
mm m
m
1. 1.35601mcontainsm6msignificantmfigures.m
2. 0.151mcontainsm3msignificantmfigures.m
3. 1.35601m+m0.151m=m1.50701m=m1.507m(tomthemthousandsmplacemform0.151)m
Questionm6m
Classifymeachmofmthemfollowingmasmanmelement,mcompound,msolutionmormheterogeneousm
mixturemandmexplainmyourmanswer.m
1. Honeym
2. Hydrogenmiodidem
3. Team
Answer:m
1. Honeym-mismnotmonmperiodicmtablem(notmelement)m-
mnomelementmnamesm(notmcompound)
appearsmtombemonemsubstancem=mSolutionm
2. Hydrogenmiodidem-mismnotmonmperiodicmtablem(notmelement)m-mhasmtwomelementmnamesm
=mCompoundm
3. Team-mismnotmonmperiodicmtablem(notmelement)m-
m nomelementmnamesm(notmcompound)mappearsmtombemonemsubstan
m
