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Fe = Fe*3
CaO + NO2 = O2 + Ca(NO)2 =>
2 CaO + 4 NO2 = 3 O2 + 2 Ca(NO)2
NaBiO3 + C2H6O = NaBiO2 + CO2 + H2O =>
6 NaBiO3 + C2H6O = 6 NaBiO2 + 2 CO2 + 3 H2O
PH3 + H2O2 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 PH3 + 8 H2O2 + 3 Ca(OH)2 = Ca3(PO4)2 + 14 H2O
F + HI = FI + H =>
F + HI = FI + H
NaO + HCl = NaHCl + O =>
NaO + HCl = NaHCl + O
NH2CH2COOH + O2 = CO2 + H2O + N2 =>
4 NH2CH2COOH + 9 O2 = 8 CO2 + 10 H2O + 2 N2
C2H2O4 = CH2O2 + CO2 =>
C2H2O4 = CH2O2 + CO2
CuSO4 + Pb(NO3) = CuNO3 + PbSO4 =>
CuSO4 + Pb(NO3) = CuNO3 + PbSO4
CdSO4 + Na2S = Cd2S + NaSO4 =>
2 CdSO4 + Na2S = Cd2S + 2 NaSO4
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
KCrO4 + Ag2NH3 = Ag2CrO4 + KNH3 =>
KCrO4 + Ag2NH3 = Ag2CrO4 + KNH3
Fe(OH)Cl2 + H2O = Fe(OH)2Cl + HCl =>
Fe(OH)Cl2 + H2O = Fe(OH)2Cl + HCl
Cu2S + NH3 = Cu + HS + N2 =>
6 Cu2S + 2 NH3 = 12 Cu + 6 HS + N2
CrNbO2 + H2O + O2 = Cr(OH)2 + Nb2O5 =>
4 CrNbO2 + 4 H2O + 3 O2 = 4 Cr(OH)2 + 2 Nb2O5
CH3CH2CHBrCH3 + KCN = CH3CH2CH2CH2CN + KBr =>
CH3CH2CHBrCH3 + KCN = CH3CH2CH2CH2CN + KBr
HC2H3O2 + O2 = H2O + CO2 =>
HC2H3O2 + 2 O2 = 2 H2O + 2 CO2
NaOH + HCOOH = (HCOO)Na + H2O =>
NaOH + HCOOH = (HCOO)Na + H2O
Mg2Si + H2SO4 = SiH4 + MgSO4 =>
Mg2Si + 2 H2SO4 = SiH4 + 2 MgSO4
Zn + NiCl2 = Zn2Ni3 + Cl =>
2 Zn + 3 NiCl2 = Zn2Ni3 + 6 Cl
H2S + I2 = HI + S =>
H2S + I2 = 2 HI + S
K2CO3 + Ca(MnO4)2 = K(MnO4) + CaCO3 =>
K2CO3 + Ca(MnO4)2 = 2 K(MnO4) + CaCO3
C20H42 = C2H4 + C9H19 =>
C20H42 = C2H4 + 2 C9H19
CH3COOC2H5 + Na2CO3 = CH3COONa + C2H5OH + CO2 =>
3 CH3COOC2H5 + 3 Na2CO3 = 6 CH3COONa + C2H5OH + CO2
SrCO2 + H2SO4 = SrSO4 + H4C2O4 =>
2 SrCO2 + 2 H2SO4 = 2 SrSO4 + H4C2O4
Cu + AuCl3 = CuCl2 + Au3 =>
9 Cu + 6 AuCl3 = 9 CuCl2 + 2 Au3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CuS + KCN = Cu(CN)2 + K2S =>
CuS + 2 KCN = Cu(CN)2 + K2S
Fe2(SO4)3 + Na[AlH4] + H2O = FeS + H2S + Na[Al(OH)4(H2O)2] =>
4 Fe2(SO4)3 + 13 Na[AlH4] + 30 H2O = 8 FeS + 4 H2S + 13 Na[Al(OH)4(H2O)2]
K2CrO7 + HCl + C2H4OH = CrCl3 + CH3COH + H2O + KCl =>
K2CrO7 + 5 HCl + 9 C2H4OH = CrCl3 + 9 CH3COH + 7 H2O + 2 KCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaI2 + K2SO4 = KI + BaSO4 =>
BaI2 + K2SO4 = 2 KI + BaSO4
NaOH + FeS = Na2S + Fe(OH)2 =>
2 NaOH + FeS = Na2S + Fe(OH)2
K2C2O4 + HNO3 = KNO3 + H2C2O4 =>
K2C2O4 + 2 HNO3 = 2 KNO3 + H2C2O4
FeCO3 = FeO + CO2 =>
FeCO3 = FeO + CO2
Na2HPO4 + NH4OH = Na2NH4PO4 + H2O =>
Na2HPO4 + NH4OH = Na2NH4PO4 + H2O
KHCO3(heat) = K2CO3 + CO2 + H2O =>
2 KHCO3(heat) = K2CO3 + CO2 + H2O
K2Cr2O4 + KI + H2SO4 = Cr2SO4 + K2SO4 + H2O + I2 =>
K2Cr2O4 + 4 KI + 4 H2SO4 = Cr2SO4 + 3 K2SO4 + 4 H2O + 2 I2
Ga + HC2H3O2 = Ga(C2H3O2)3 + H2 =>
2 Ga + 6 HC2H3O2 = 2 Ga(C2H3O2)3 + 3 H2
H2S + Cl2Fe = HCl + FeS =>
H2S + Cl2Fe = 2 HCl + FeS
Ni(NO3)3 + CaI2 = NiI3 + Ca(NO3)2 =>
2 Ni(NO3)3 + 3 CaI2 = 2 NiI3 + 3 Ca(NO3)2
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
CoCl2 + K(OH) = Co(OH)2 + KCl =>
CoCl2 + 2 K(OH) = Co(OH)2 + 2 KCl
CH3COOC3H7KOH = CH3COOKC3H7OH =>
CH3COOC3H7KOH = CH3COOKC3H7OH
NaClAg = AgClNa =>
NaClAg = AgClNa
C2H3 + KMnO4 + H2O = CO2 + KOH + MnO2 =>
3 C2H3 + 11 KMnO4 + H2O = 6 CO2 + 11 KOH + 11 MnO2
Al + RbCl = AlCl3 + Rb =>
Al + 3 RbCl = AlCl3 + 3 Rb
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
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