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Cr2O7 + 4 H2O = Cr2O3 + 8 OH
Si(s) + S8(s) = Si2S4 =>
4 Si(s) + S8(s) = 2 Si2S4
Ag + NaCn + O2 + H2O = AgCn + NaOH =>
4 Ag + 4 NaCn + O2 + 2 H2O = 4 AgCn + 4 NaOH
NaNO3 + NaOH = Na2O2 + NH3 + H2O =>
NaNO3 + 7 NaOH = 4 Na2O2 + NH3 + 2 H2O
HCOOH + AgNO3 + NH3 = (NH4)2CO3 + Ag + CO2 =>
9 HCOOH + 2 AgNO3 + 10 NH3 = 6(NH4)2CO3 + 2 Ag + 3 CO2
Na3AlF6 + Al2O3 = NaAlOF2 =>
Na3AlF6 + Al2O3 = 3 NaAlOF2
Co + H2S = Co2S3 + H2 =>
2 Co + 3 H2S = Co2S3 + 3 H2
Fe2O3 + CH4 = FeO + CO2 + H2O =>
4 Fe2O3 + CH4 = 8 FeO + CO2 + 2 H2O
C6H12O6 + AgOH = Ag + H2O + CO2 =>
C6H12O6 + 24 AgOH = 24 Ag + 18 H2O + 6 CO2
C4H8 + H2 = H10C4 =>
C4H8 + H2 = H10C4
BrF5 + H2O = BrO2F + HF =>
BrF5 + 2 H2O = BrO2F + 4 HF
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CH3CH2OC(O)CH3 + O2 = CO2 + H2O =>
CH3CH2OC(O)CH3 + 5 O2 = 4 CO2 + 4 H2O
C12H22O11 + HNO3 = CO2 + NO2 + H2O =>
C12H22O11 + 48 HNO3 = 12 CO2 + 48 NO2 + 35 H2O
Mo + H2SO4 = Mo(SO4)2 + H2S + H2O =>
2 Mo + 5 H2SO4 = 2 Mo(SO4)2 + H2S + 4 H2O
CO2 + Co3S4 = Co3O4 + CO + SO3 =>
16 CO2 + Co3S4 = Co3O4 + 16 CO + 4 SO3
NiTeO4 + H2TeO4 + KMnO4 = Ni2(TeO4)3 + MnTeO4 + K2TeO4 + H2O =>
10 NiTeO4 + 8 H2TeO4 + 2 KMnO4 = 5 Ni2(TeO4)3 + 2 MnTeO4 + K2TeO4 + 8 H2O
Cu(NO3)2 + KSCN = Cu(SCN)2 + KNO3 =>
Cu(NO3)2 + 2 KSCN = Cu(SCN)2 + 2 KNO3
H2O(g) + Fe(s) = Fe3O4(s) + H2(g) =>
4 H2O(g) + 3 Fe(s) = Fe3O4(s) + 4 H2(g)
Na(s) + FeCl2(s) = NaCl(s) + Fe(s) =>
2 Na(s) + FeCl2(s) = 2 NaCl(s) + Fe(s)
Cu{+} = Cu{2+} + {-} =>
Cu{+} = Cu{2+} + e
ZnCl2 + Pb = PbCl2 + Zn =>
ZnCl2 + Pb = PbCl2 + Zn
CoSO4 = CoS + O2 =>
CoSO4 = CoS + 2 O2
NaOH + O2 = NaO + H2O =>
4 NaOH + O2 = 4 NaO + 2 H2O
C4H6 + Br2 = C4H6Br4 =>
C4H6 + 2 Br2 = C4H6Br4
Na3AsO4 + H2S = As2S3 + S + Na2S + H2O =>
2 Na3AsO4 + 8 H2S = As2S3 + 2 S + 3 Na2S + 8 H2O
CO2 + S2 = COS + O2 =>
2 CO2 + S2 = 2 COS + O2
Ca(NO3)2 + Al(OH)3 = Ca(OH)2 + Al(NO3)3 =>
3 Ca(NO3)2 + 2 Al(OH)3 = 3 Ca(OH)2 + 2 Al(NO3)3
KCrO4 + H2SO4 = KSO4 + Cr2(SO4)3 + H2O + O2 =>
4 KCrO4 + 10 H2SO4 = 4 KSO4 + 2 Cr2(SO4)3 + 10 H2O + 3 O2
ZnS + O2 = ZnO2 + S =>
ZnS + O2 = ZnO2 + S
CrO2Cl2 + CCl = CrO + COCl2 + Cl =>
CrO2Cl2 + CCl = CrO + COCl2 + Cl
NH4CNO = NH4 + CNO =>
NH4CNO = NH4 + CNO
C + H + Br = CHBr =>
C + H + Br = CHBr
N2(g) + H(g) = NH3(g) =>
N2(g) + 6 H(g) = 2 NH3(g)
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
Ba3N2 + K3PO4 = Ba3PO4 + K3N2 =>
Ba3N2 + K3PO4 = Ba3PO4 + K3N2
Br + MgI2 = BrI2 + Mg =>
Br + MgI2 = BrI2 + Mg
C12H22O11 + HNO3 = C2H2O4 + H2O + NO =>
C12H22O11 + 12 HNO3 = 6 C2H2O4 + 11 H2O + 12 NO
K2Cr2O7 + HCl + NaOH = K2O + NaCrO + H2O + Cl =>
K2Cr2O7 + 10 HCl + 2 NaOH = K2O + 2 NaCrO + 6 H2O + 10 Cl
Cu + NaNO3 + HCl = Cu(NO3)2 + NaCl + NO2 + H2O =>
Cu + 4 NaNO3 + 4 HCl = Cu(NO3)2 + 4 NaCl + 2 NO2 + 2 H2O
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
C8H18 + Br2 = C8H17 + HBr =>
2 C8H18 + Br2 = 2 C8H17 + 2 HBr
AlBr3 + I2 = AlI3 + Br2 =>
2 AlBr3 + 3 I2 = 2 AlI3 + 3 Br2
Cr2O3(s) + SI(s) = Cr(s) + SIO2(s) =>
2 Cr2O3(s) + 3 SI(s) = 4 Cr(s) + 3 SIO2(s)
H2S(g) + CO(g) = CH3CO2H(g) + S8(s) =>
8 H2S(g) + 8 CO(g) = 4 CH3CO2H(g) + S8(s)
H + O3 = H2O =>
6 H + O3 = 3 H2O
KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + KNO3(aq) =>
3 KOH(aq) + Fe(NO3)3(aq) = Fe(OH)3 + 3 KNO3(aq)
Br + MgI2 = BrI2 + Mg =>
Br + MgI2 = BrI2 + Mg
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SO2 + KOH = H2O + K2SO3 =>
SO2 + 2 KOH = H2O + K2SO3
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