Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
GeneralmChemistry:mAtomsmFirst
Chapterm6m m ChemicalmArithmetic:mStoichiometry
6.1m m MultiplemChoicemQuestions
1) Whichmonemofmthemfollowingmstatementsmaboutmbalancedmequationsmismfalse?mInmambalanc
edmreaction
A) atomsmmustmbembalancedmonmbothmsidesmofmthemreactionmarrow.
B) massmmustmbemconserved.
C) moleculesmmustmbembalancedmonmbothmsidesmofmthemreactionmarrow.
D) netmchargemmustmbembalancedmonmbothmsidesmofmthemreactionmarro
w.mAnswer:m C
Diff:m1
Topic:m Sectionm6.2mBalancingmChemicalmEquations
2) Whichmonemofmthemfollowingmstatementsmaboutmbalancedmequationsmismtrue?mAmreaction
mismbalancedmby
A) changingmthemchargemonmanmion.
B) changingmthemformulamofmthemmolecule.
C) multiplyingmbymsuitablemcoefficients.
D) rearrangingmatomsminmammolecule
.mAnswer:m C
Diff:m1
Topic:m Sectionm6.2mBalancingmChemicalmEquations
3) Whatmismthemstoichiometricmcoefficientmformoxygenmwhenmthemfollowingmequationmismbalanc
edmusingmthemlowest,mwhole-numbermcoefficients
C3H8O(l)m+m O2(g)m→m CO2(g)m+m H2O(l)
A)m3
B)m5
C)m7
D)m9
Answer:m DmDif
f:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
fullmfilematmhttp://testbankeasy.co
m
,Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
4) Whatmismthemsummofmthemcoefficientsmwhenmthemfollowingmequationmismbalancedmusingmthemlow
est,mwholemnumberedmcoefficients?
PH3(g)m+m O2(g)m→m P4O10(s)m+m H2O(g)
A) 10
B) 12
C) 19
D) 22
Answer:m CmDif
f:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
5) Whatmismthemsummofmthemcoefficientsmwhenmthemfollowingmequationmismbalancedmusingmthemlow
est,mwholemnumberedmcoefficients?
B2O3(s)m+m HF(l)m→m BF3(g)m+m H2O(l)
A) 8
B) 11
C) 15
D) nonemofmthes
emAnswer:m Dm D
iff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
6) Aluminummmetalmreactsmwithmiron(II)msulfidemtomformmaluminummsulfidemandmironmmetal.m What
mismthemstoichiometricmcoefficientmformaluminummwhenmthemchemicalmequationmismbalancedmusingmt
hemlowest,mwhole-numbermstoichiometricmcoefficients?
A)m1
B)m2
C)m3
D)m4
Answer:m BmDif
f:m3
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
7) Calciummphosphatemreactsmwithmsulfuricmacidmtomformmcalciummsulfatemandmphosphoricmacid.
mWhatmismthemstoichiometricmcoefficientmformsulfuricmacidmwhenmthemchemicalmequationmismbalan
cedmusingmthemlowest,mwhole-numbermstoichiometricmcoefficients?
A) 1
B) 2
C) 3
D) nonemofmthes
emAnswer:m Cm D
iff:m3
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevelsm
Algo.mOption:m algorithmic
fullmfilematmhttp://testbankeasy.co
m
,Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
8) Givenmthemchemicalmequation:mN2m+m3mH2m→m2mNH3.mOnmammicroscopicmlevel,mwhatmdom
themcoefficientsmmean?
A) 1matommofmnitrogenmreactsmwithm3matomsmofmhydrogenmtomgivem2matomsmofmammonia.
B) 28mgmofmnitrogenmreactsmwithm6mgramsmofmhydrogenmtomgivem34mgramsmofmammonia.
C) 1mmolemofmnitrogenmreactsmwithm3mmolesmofmhydrogenmtomgivem2mmolesmofmammonia.
D) 1mmoleculemofmnitrogenmreactsmwithm3mmoleculesmofmhydrogenmtomgivem2mmoleculesmofmammon
ia.mAnswer:m D
Diff:m1
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevels
9) Givenmthemchemicalmequation:mN2m+m3mH2m→m2mNH3.mOnmammacroscopicmlevel,mwhatmdom
themcoefficientsmmean?
A) 1matommofmnitrogenmreactsmwithm3matomsmofmhydrogenmtomgivem2matomsmofmammonia.
B) 1mmolemofmnitrogenmreactsmwithm3mmolesmofmhydrogenmtomgivem2mmolesmofmammonia.
C) 1mmoleculemofmnitrogenmreactsmwithm3mmoleculesmofmhydrogenmtomgivem2mmoleculesmofmammoni
a.
D) allmofmthemabov
emAnswer:m B
Diff:m1
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevels
10) 1.00mmolemofmO2mcontainsmthemsamemnumbermofmmoleculesmas
A) 0.667mmolemofmO3.
B) 1.00mmolemofmCH3CO2H.
C) 2.00mmolemofmCH3CH2OH.
D) allmofmthemabove
.mAnswer:m B
Diff:m1
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
11) 1.00mmolemofmO2mcontainsmthemsamemnumbermofmoxygenmatomsmas
A) 0.667mmolemofmO3.
B) 1.00mmolemofmCH3CO2H.
C) 2.00mmolemofmCH3CH2OH.
D) allmofmthemabove
.mAnswer:m D
Diff:m2
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
fullmfilematmhttp://testbankeasy.co
m
, Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
12) Whatmismthemmassmofmanmatommofmthemelementmhydrogen?
A) 2.0mg
B) 1.0mg
C) 3.4m×m10–24mg
D) 1.7m×m10–24mg
Answer:m DmDif
f:m2
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
13) Whatmismthemmolarmmassmofmasparticmacid,mC4O4H7N?
A) 43mg/mol
B) 70mg/mol
C) 133mg/mol
D) 197mg/mo
lmAnswer:m C
mDiff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
14) WhatmismthemmolarmmassmofmCo(NO3)2?
A) 90mg/mol
B) 121mg/mol
C) 152mg/mol
D) 183mg/mo
lmAnswer:m D
mDiff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
15) Whatmismthemmolarmmassmofmcalciummpermanganate?
A) 159mg/mol
B) 199mg/mol
C) 216mg/mol
D) 278mg/mo
lmAnswer:m D
mDiff:m3
Topic:m Sectionm6.2mBalancingmChemicalmEquations
16) Whatmismthemmolarmmassmofmhydrogenmgas?
A) 1.00mg/mol
B) 2.00mg/mol
C) 6.02m×m1023mg/mol
D) 1.20m×m1023mg/mo
lmAnswer:m B
Diff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
17) Whatmismthemmassmofmamsinglemchlorinemmolecule,mCl2?
fullmfilematmhttp://testbankeasy.co
m
m m m
First,-2nd-Edition---Mcmurry
GeneralmChemistry:mAtomsmFirst
Chapterm6m m ChemicalmArithmetic:mStoichiometry
6.1m m MultiplemChoicemQuestions
1) Whichmonemofmthemfollowingmstatementsmaboutmbalancedmequationsmismfalse?mInmambalanc
edmreaction
A) atomsmmustmbembalancedmonmbothmsidesmofmthemreactionmarrow.
B) massmmustmbemconserved.
C) moleculesmmustmbembalancedmonmbothmsidesmofmthemreactionmarrow.
D) netmchargemmustmbembalancedmonmbothmsidesmofmthemreactionmarro
w.mAnswer:m C
Diff:m1
Topic:m Sectionm6.2mBalancingmChemicalmEquations
2) Whichmonemofmthemfollowingmstatementsmaboutmbalancedmequationsmismtrue?mAmreaction
mismbalancedmby
A) changingmthemchargemonmanmion.
B) changingmthemformulamofmthemmolecule.
C) multiplyingmbymsuitablemcoefficients.
D) rearrangingmatomsminmammolecule
.mAnswer:m C
Diff:m1
Topic:m Sectionm6.2mBalancingmChemicalmEquations
3) Whatmismthemstoichiometricmcoefficientmformoxygenmwhenmthemfollowingmequationmismbalanc
edmusingmthemlowest,mwhole-numbermcoefficients
C3H8O(l)m+m O2(g)m→m CO2(g)m+m H2O(l)
A)m3
B)m5
C)m7
D)m9
Answer:m DmDif
f:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
fullmfilematmhttp://testbankeasy.co
m
,Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
4) Whatmismthemsummofmthemcoefficientsmwhenmthemfollowingmequationmismbalancedmusingmthemlow
est,mwholemnumberedmcoefficients?
PH3(g)m+m O2(g)m→m P4O10(s)m+m H2O(g)
A) 10
B) 12
C) 19
D) 22
Answer:m CmDif
f:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
5) Whatmismthemsummofmthemcoefficientsmwhenmthemfollowingmequationmismbalancedmusingmthemlow
est,mwholemnumberedmcoefficients?
B2O3(s)m+m HF(l)m→m BF3(g)m+m H2O(l)
A) 8
B) 11
C) 15
D) nonemofmthes
emAnswer:m Dm D
iff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
6) Aluminummmetalmreactsmwithmiron(II)msulfidemtomformmaluminummsulfidemandmironmmetal.m What
mismthemstoichiometricmcoefficientmformaluminummwhenmthemchemicalmequationmismbalancedmusingmt
hemlowest,mwhole-numbermstoichiometricmcoefficients?
A)m1
B)m2
C)m3
D)m4
Answer:m BmDif
f:m3
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
7) Calciummphosphatemreactsmwithmsulfuricmacidmtomformmcalciummsulfatemandmphosphoricmacid.
mWhatmismthemstoichiometricmcoefficientmformsulfuricmacidmwhenmthemchemicalmequationmismbalan
cedmusingmthemlowest,mwhole-numbermstoichiometricmcoefficients?
A) 1
B) 2
C) 3
D) nonemofmthes
emAnswer:m Cm D
iff:m3
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevelsm
Algo.mOption:m algorithmic
fullmfilematmhttp://testbankeasy.co
m
,Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
8) Givenmthemchemicalmequation:mN2m+m3mH2m→m2mNH3.mOnmammicroscopicmlevel,mwhatmdom
themcoefficientsmmean?
A) 1matommofmnitrogenmreactsmwithm3matomsmofmhydrogenmtomgivem2matomsmofmammonia.
B) 28mgmofmnitrogenmreactsmwithm6mgramsmofmhydrogenmtomgivem34mgramsmofmammonia.
C) 1mmolemofmnitrogenmreactsmwithm3mmolesmofmhydrogenmtomgivem2mmolesmofmammonia.
D) 1mmoleculemofmnitrogenmreactsmwithm3mmoleculesmofmhydrogenmtomgivem2mmoleculesmofmammon
ia.mAnswer:m D
Diff:m1
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevels
9) Givenmthemchemicalmequation:mN2m+m3mH2m→m2mNH3.mOnmammacroscopicmlevel,mwhatmdom
themcoefficientsmmean?
A) 1matommofmnitrogenmreactsmwithm3matomsmofmhydrogenmtomgivem2matomsmofmammonia.
B) 1mmolemofmnitrogenmreactsmwithm3mmolesmofmhydrogenmtomgivem2mmolesmofmammonia.
C) 1mmoleculemofmnitrogenmreactsmwithm3mmoleculesmofmhydrogenmtomgivem2mmoleculesmofmammoni
a.
D) allmofmthemabov
emAnswer:m B
Diff:m1
Topic:m Sectionm6.1mChemicalmSymbolsmonmDifferentmLevels
10) 1.00mmolemofmO2mcontainsmthemsamemnumbermofmmoleculesmas
A) 0.667mmolemofmO3.
B) 1.00mmolemofmCH3CO2H.
C) 2.00mmolemofmCH3CH2OH.
D) allmofmthemabove
.mAnswer:m B
Diff:m1
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
11) 1.00mmolemofmO2mcontainsmthemsamemnumbermofmoxygenmatomsmas
A) 0.667mmolemofmO3.
B) 1.00mmolemofmCH3CO2H.
C) 2.00mmolemofmCH3CH2OH.
D) allmofmthemabove
.mAnswer:m D
Diff:m2
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
fullmfilematmhttp://testbankeasy.co
m
, Full file at http://testbankeasy.eu/Test-bank-for-General-Chemistry---Atoms-
m m m
First,-2nd-Edition---Mcmurry
12) Whatmismthemmassmofmanmatommofmthemelementmhydrogen?
A) 2.0mg
B) 1.0mg
C) 3.4m×m10–24mg
D) 1.7m×m10–24mg
Answer:m DmDif
f:m2
Topic:m Sectionm6.3mStoichiometry:mThemArithmeticmofmChemicalmReactions
13) Whatmismthemmolarmmassmofmasparticmacid,mC4O4H7N?
A) 43mg/mol
B) 70mg/mol
C) 133mg/mol
D) 197mg/mo
lmAnswer:m C
mDiff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
14) WhatmismthemmolarmmassmofmCo(NO3)2?
A) 90mg/mol
B) 121mg/mol
C) 152mg/mol
D) 183mg/mo
lmAnswer:m D
mDiff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquations
15) Whatmismthemmolarmmassmofmcalciummpermanganate?
A) 159mg/mol
B) 199mg/mol
C) 216mg/mol
D) 278mg/mo
lmAnswer:m D
mDiff:m3
Topic:m Sectionm6.2mBalancingmChemicalmEquations
16) Whatmismthemmolarmmassmofmhydrogenmgas?
A) 1.00mg/mol
B) 2.00mg/mol
C) 6.02m×m1023mg/mol
D) 1.20m×m1023mg/mo
lmAnswer:m B
Diff:m2
Topic:m Sectionm6.2mBalancingmChemicalmEquationsmA
lgo.mOption:m algorithmic
17) Whatmismthemmassmofmamsinglemchlorinemmolecule,mCl2?
fullmfilematmhttp://testbankeasy.co
m
