WGU CHEMISTRY I NEWEST 2026
ACTUAL EXAM| D425 INTRODUCTION
TO CHEMISTRY OA EXAM WITH
COMPLETE 50 REAL EXAM
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+
(BRAND NEW!!)
Doublemreplacementm-mCORRECTmANSWERmAB+CD----AD+CB
strongmacidmandmstrongmbasem-mCORRECTmANSWERmNeutralization
Formsmsolidsm-mCORRECTmANSWERmPrecipitation
singlemreplacementm-mCORRECTmANSWERmNa2O+Cl2-----NaCl+O2
combustionmreactionm-
mCORRECTmANSWERmmustmcontainmhydrogen,mcarbon,mandmoxygenmCH4+O2---CO2+H2O
commonmacidsm-mCORRECTmANSWERmHCl,mH2SO4,mHNO3,mH3PO4,mCH3COOH
MolecularmCompoundm-mCORRECTmANSWERmLiquidmormgasmatmroommtemperature
Synthesismreactionm-mCORRECTmANSWERm2msmallmcompoundsmjoinmtommakemonemNa+Cl2---NaCl
DecompositionmReactionm-mCORRECTmANSWERmCompoundsmsplitmNaCl------Na+Cl2
, neutralizationmreactionm-
mCORRECTmANSWERmOccursmbetweenmacidmandmbasemProducesmsaltmandmwatermlookmformproducti
onmofmwatermitmwillmalwaysmbeminmproduct
Molemconversionm-mCORRECTmANSWERm30gNamX(1mole/23gNA)=1.3mmoles
Molesmtomatomsm-mCORRECTmANSWERm1.5mmolesmCmXm(6.022X10^23/1mole)=m9.03X10^23
atomsmtommolesm-mCORRECTmANSWERm1.617X10^22mX(1mole/6.022X10^23)=0.03mmoles
Gramsmtomatomsm-
mCORRECTmANSWERm50gCmX(1mole/12.01GC)X(6.022X10^23/1mole)=2.51X10^24atoms
stoichiometrym-
mCORRECTmANSWERm5gCa3(PO4)2mXm(1moleCa3(PO4)2/310.3g)mXm(3molesmCaCl2/1molemCa3(PO
4)2)X(111.1gCaCl2/1moleCaCl2)m=m5.37gmCaCl2
Empiricalmformulam-
mCORRECTmANSWERmcalculatemmolemrelationshipmofmallmandmplaceminmleastmamountmform
Rutherfordm-
mCORRECTmANSWERmMattermismmostlymemptymspace.mTheremmustmbemamverymsmallmpositivelymcha
rgedmareamofmthematom
ElectromagneticmWavesm-
mCORRECTmANSWERmThemgreatermthemwavelengthmthemlowermthemfrequency.mThemshortermthemwa
velengthmthemgreatermthemfrequency
ACTUAL EXAM| D425 INTRODUCTION
TO CHEMISTRY OA EXAM WITH
COMPLETE 50 REAL EXAM
QUESTIONS AND CORRECT VERIFIED
ANSWERS/ ALREADY GRADED A+
(BRAND NEW!!)
Doublemreplacementm-mCORRECTmANSWERmAB+CD----AD+CB
strongmacidmandmstrongmbasem-mCORRECTmANSWERmNeutralization
Formsmsolidsm-mCORRECTmANSWERmPrecipitation
singlemreplacementm-mCORRECTmANSWERmNa2O+Cl2-----NaCl+O2
combustionmreactionm-
mCORRECTmANSWERmmustmcontainmhydrogen,mcarbon,mandmoxygenmCH4+O2---CO2+H2O
commonmacidsm-mCORRECTmANSWERmHCl,mH2SO4,mHNO3,mH3PO4,mCH3COOH
MolecularmCompoundm-mCORRECTmANSWERmLiquidmormgasmatmroommtemperature
Synthesismreactionm-mCORRECTmANSWERm2msmallmcompoundsmjoinmtommakemonemNa+Cl2---NaCl
DecompositionmReactionm-mCORRECTmANSWERmCompoundsmsplitmNaCl------Na+Cl2
, neutralizationmreactionm-
mCORRECTmANSWERmOccursmbetweenmacidmandmbasemProducesmsaltmandmwatermlookmformproducti
onmofmwatermitmwillmalwaysmbeminmproduct
Molemconversionm-mCORRECTmANSWERm30gNamX(1mole/23gNA)=1.3mmoles
Molesmtomatomsm-mCORRECTmANSWERm1.5mmolesmCmXm(6.022X10^23/1mole)=m9.03X10^23
atomsmtommolesm-mCORRECTmANSWERm1.617X10^22mX(1mole/6.022X10^23)=0.03mmoles
Gramsmtomatomsm-
mCORRECTmANSWERm50gCmX(1mole/12.01GC)X(6.022X10^23/1mole)=2.51X10^24atoms
stoichiometrym-
mCORRECTmANSWERm5gCa3(PO4)2mXm(1moleCa3(PO4)2/310.3g)mXm(3molesmCaCl2/1molemCa3(PO
4)2)X(111.1gCaCl2/1moleCaCl2)m=m5.37gmCaCl2
Empiricalmformulam-
mCORRECTmANSWERmcalculatemmolemrelationshipmofmallmandmplaceminmleastmamountmform
Rutherfordm-
mCORRECTmANSWERmMattermismmostlymemptymspace.mTheremmustmbemamverymsmallmpositivelymcha
rgedmareamofmthematom
ElectromagneticmWavesm-
mCORRECTmANSWERmThemgreatermthemwavelengthmthemlowermthemfrequency.mThemshortermthemwa
velengthmthemgreatermthemfrequency