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3 As2S3 + 5 HIO3 + 9 H2O = 6 H3AsO4 + 9 S + 5 HI
Na(s) + CuCl2(aq) = NaCl + Cu =>
2 Na(s) + CuCl2(aq) = 2 NaCl + Cu
H2Se = H + Se =>
H2Se = 2 H + Se
SbCl3 + Na2CO3 = Sb2CO3 + NaCl3 =>
2 SbCl3 + Na2CO3 = Sb2CO3 + 2 NaCl3
Ga + H2 = GaH =>
2 Ga + H2 = 2 GaH
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
As2S3 + HIO3 + H2O = H3AsO4 + S + HI =>
3 As2S3 + 5 HIO3 + 9 H2O = 6 H3AsO4 + 9 S + 5 HI
K2CO3 + HClO4 = KClO4 + H2O + CO2 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2O + CO2
ZnCl2 + CuSO4 = CuCl2 + ZnSO4 =>
ZnCl2 + CuSO4 = CuCl2 + ZnSO4
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
CuFeS2 = Cu2S + FeS + S =>
2 CuFeS2 = Cu2S + 2 FeS + S
CdBr2 + Na2CO3 = CdCO3 + NaBr =>
CdBr2 + Na2CO3 = CdCO3 + 2 NaBr
Na2S2O3 + HBr = S + NaOH + Br2 + H2O =>
Na2S2O3 + 4 HBr = 2 S + 2 NaOH + 2 Br2 + H2O
CH3COOH + H2 = C2H5OH + H2O =>
CH3COOH + 2 H2 = C2H5OH + H2O
CH3CH2CH(OH)CH3 + HCl = CH3CH2CHClCH3 + H2O =>
CH3CH2CH(OH)CH3 + HCl = CH3CH2CHClCH3 + H2O
Na2O + Br2 = NaBr + O =>
Na2O + Br2 = 2 NaBr + O
K2CO3 + CaCl2 = CaCO3 + K2Cl2 =>
K2CO3 + CaCl2 = CaCO3 + K2Cl2
Ca + V2O5 = CaO + V =>
5 Ca + V2O5 = 5 CaO + 2 V
KBr + NO2 = BrO2 + KN =>
KBr + NO2 = BrO2 + KN
KSO4 + HC = KC + SC2 + C2 + H2O =>
2 KSO4 + 16 HC = 2 KC + 2 SC2 + 5 C2 + 8 H2O
NH4Br + Ba(OH)2 = BaBr2 + NH3 + H2O =>
2 NH4Br + Ba(OH)2 = BaBr2 + 2 NH3 + 2 H2O
C + Ca3(PO4)2 = CO + Ca3P2 =>
8 C + Ca3(PO4)2 = 8 CO + Ca3P2
LiI + F2 = LiF + I =>
2 LiI + F2 = 2 LiF + 2 I
H2CO + O2 = CH2O2 =>
2 H2CO + O2 = 2 CH2O2
SnBr2 + K2S = SnS + KBr =>
SnBr2 + K2S = SnS + 2 KBr
Na2CO3 + [Co(NH3)6]Cl3 = NaCoO2 + NH3 + NaCl + CO2 =>
2 Na2CO3 + [Co(NH3)6]Cl3 = NaCoO2 + 6 NH3 + 3 NaCl + 2 CO2
CuSO4 + BaI2 = CuI + BaSO4 + I2 =>
2 CuSO4 + 2 BaI2 = 2 CuI + 2 BaSO4 + I2
Ag + Cl2 = AgCl3 =>
2 Ag + 3 Cl2 = 2 AgCl3
Si + Ca = Ca4Si3 =>
3 Si + 4 Ca = Ca4Si3
Se2 + O2 = SeO =>
Se2 + O2 = 2 SeO
NaOH(ac) + FeCl2(ac) = Fe(OH)2(s) + NaCl(ac) =>
2 NaOH(ac) + FeCl2(ac) = Fe(OH)2(s) + 2 NaCl(ac)
Ca(OH)2 + (NH4)Cl = NH3 + H2O + CaCl2 =>
Ca(OH)2 + 2(NH4)Cl = 2 NH3 + 2 H2O + CaCl2
ZnCl2 + CuSO4 = Zn(SO4)2 + CuCl =>
ZnCl2 + 2 CuSO4 = Zn(SO4)2 + 2 CuCl
Fe(CN)2 = Fe + C + N2 =>
Fe(CN)2 = Fe + 2 C + N2
S + FeCl2 + HCl = FeCl3 + H2S =>
S + 2 FeCl2 + 2 HCl = 2 FeCl3 + H2S
Se2 + O2 = SeO3 =>
Se2 + 3 O2 = 2 SeO3
KClO2 + HClO4 = KClO4 + HClO2 =>
KClO2 + HClO4 = KClO4 + HClO2
As + H2SO4 = As2(SO4)3 + SO2 + H2O =>
2 As + 6 H2SO4 = As2(SO4)3 + 3 SO2 + 6 H2O
Y8 + O2 = YO3 =>
Y8 + 12 O2 = 8 YO3
K2CrO4 + AgNO3 = Ag2CrO4 + KNO3 =>
K2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 KNO3
ZnCl2 + Hg = ZnHg + Cl2 =>
ZnCl2 + Hg = ZnHg + Cl2
Fe + I = FeI3 =>
Fe + 3 I = FeI3
N2O4 + CO = NO + CO2 =>
N2O4 + 2 CO = 2 NO + 2 CO2
Fr + O2 = FrO2 =>
Fr + O2 = FrO2
MgSCO = CO + MgS =>
MgSCO = CO + MgS
C2H2 + [Cu(NH3)2]Cl = C2Cu2 + NH4Cl + NH3 =>
C2H2 + 2[Cu(NH3)2]Cl = C2Cu2 + 2 NH4Cl + 2 NH3
CH4CH4 + O2 = CO2 + H2O =>
CH4CH4 + 4 O2 = 2 CO2 + 4 H2O
Br2O3 + H2O = HBrO2 =>
Br2O3 + H2O = 2 HBrO2
HSe + HOH = H2 + SeO2 =>
2 HSe + 4 HOH = 5 H2 + 2 SeO2
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