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3 C + 2 Fe2O3 = 4 Fe + 3 CO2
HBr + H2SO4 = SO2 + HBrO2 + H2O =>
HBr + 2 H2SO4 = 2 SO2 + HBrO2 + 2 H2O
H + S + O = H2SO3 =>
2 H + S + 3 O = H2SO3
OO = O2 =>
OO = O2
NaBr(aq) + CoCl2(aq) = NaCl(aq) + CoBr2(aq) =>
2 NaBr(aq) + CoCl2(aq) = 2 NaCl(aq) + CoBr2(aq)
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
Sr(OH)2 + HBr = SrBr2 + H2O =>
Sr(OH)2 + 2 HBr = SrBr2 + 2 H2O
Ni2[Fe(CN)6] + NH4OH = [Ni(NH3)6]2[Fe(CN)6] + H2O =>
Ni2[Fe(CN)6] + 12 NH4OH = [Ni(NH3)6]2[Fe(CN)6] + 12 H2O
LiH + O2 = Li2O + H2O =>
2 LiH + O2 = Li2O + H2O
P(s) + Cl2(g) = PCl3(s) =>
2 P(s) + 3 Cl2(g) = 2 PCl3(s)
H3PO4(aq) + Sr(OH)2(s) = Sr3(PO4)2(s) + H2O(l) =>
2 H3PO4(aq) + 3 Sr(OH)2(s) = Sr3(PO4)2(s) + 6 H2O(l)
NaBH4 + H2O = NaBO2 + H2 =>
NaBH4 + 2 H2O = NaBO2 + 4 H2
CH1144O019 + O2 = CO2 + H2O =>
2 CH1144O019 + 555 O2 = 2 CO2 + 1144 H2O
C3(H8) + O2 = C(O2) + H2(O) =>
C3(H8) + 5 O2 = 3 C(O2) + 4 H2(O)
KCrO3 + KClO + KOH = K2CrO4 + KCl + H2O =>
2 KCrO3 + KClO + 2 KOH = 2 K2CrO4 + KCl + H2O
CH2 + H2O = CH4 + O2 =>
2 CH2 + 2 H2O = 2 CH4 + O2
Al3 + ZnCl2 = Zn2 + AlCl3 =>
4 Al3 + 18 ZnCl2 = 9 Zn2 + 12 AlCl3
CH3OH + Cu(OH)2 = HCHO + Cu + H2O =>
CH3OH + Cu(OH)2 = HCHO + Cu + 2 H2O
BaSO4 + CuCl2 = BaCl2 + CuSO4 =>
BaSO4 + CuCl2 = BaCl2 + CuSO4
Bi(OH)3 + Sn(OH)3{-} + OH{-} = Sn(OH)6{2-} + Bi =>
2 Bi(OH)3 + 3 Sn(OH)3{-} + 3 OH{-} = 3 Sn(OH)6{2-} + 2 Bi
Fe2Al4Si5O18 + H2O = Fe5Al4Si6O22(OH)2 + Al2SiO5 + SiO2 =>
5 Fe2Al4Si5O18 + 2 H2O = 2 Fe5Al4Si6O22(OH)2 + 6 Al2SiO5 + 7 SiO2
NH4Cl + NO3 = NH4NO3 + Cl =>
NH4Cl + NO3 = NH4NO3 + Cl
C9H8O4 + C6H8O7 + NaHCO3 = C16H17NaO14 =>
C9H8O4 + C6H8O7 + NaHCO3 = C16H17NaO14
CaBr2 + KOH = Ca(OH)2 + KBr =>
CaBr2 + 2 KOH = Ca(OH)2 + 2 KBr
Mg3N2 + Ca = Ca3N2 + Mg =>
Mg3N2 + 3 Ca = Ca3N2 + 3 Mg
I2 + NH4OH = NH4I + NI3 + H2O =>
3 I2 + 4 NH4OH = 3 NH4I + NI3 + 4 H2O
Cl2 + CsBr = ClBr + Cs =>
Cl2 + 2 CsBr = 2 ClBr + 2 Cs
Ge + H2SO4 = H2 + Ge2(SO4)3 =>
2 Ge + 3 H2SO4 = 3 H2 + Ge2(SO4)3
Ni(HCO3)2(s) = NiCO3 + H2O + CO2 =>
Ni(HCO3)2(s) = NiCO3 + H2O + CO2
Al(NO3)3 + NH3 = AlN + HNO3 =>
Al(NO3)3 + NH3 = AlN + 3 HNO3
H2S + VO2 = V3O5 + SO2 + H2 =>
H2S + 6 VO2 = 2 V3O5 + SO2 + H2
K2SO4 + Al(NO3)3 = Al2(SO4)3 + KNO3 =>
3 K2SO4 + 2 Al(NO3)3 = Al2(SO4)3 + 6 KNO3
PH3 + O2 = P2O3 + H2O =>
2 PH3 + 3 O2 = P2O3 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgBr + I2 = Br2 + AgI4 =>
2 AgBr + 4 I2 = Br2 + 2 AgI4
Cu2 + HI = Cu2I + H2 =>
2 Cu2 + 2 HI = 2 Cu2I + H2
AgNO3 + HCI = AgCI + HNO3 =>
AgNO3 + HCI = AgCI + HNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
NaCl(aq) + H2O(l) = Cl2(g) + H2(g) + NaOH(aq) =>
2 NaCl(aq) + 2 H2O(l) = Cl2(g) + H2(g) + 2 NaOH(aq)
Fe(CN)2 = Fe + C + N =>
Fe(CN)2 = Fe + 2 C + 2 N
KF + KBF4 + B2O3 = K3B3O3F6 =>
2 KF + KBF4 + B2O3 = K3B3O3F6
Hg2Cl = Hg + Cl =>
Hg2Cl = 2 Hg + Cl
AuCl3H2O2 + NaOH = NaCl + O2 + Au + H2O =>
4 AuCl3H2O2 + 12 NaOH = 12 NaCl + 5 O2 + 4 Au + 10 H2O
C3H5Br3 + KOH = C3H8O3 + KBr =>
C3H5Br3 + 3 KOH = C3H8O3 + 3 KBr
Fe2(SO4)3 + Ca(OH)2 + NaClO = Fe(OH)3 + Ca(ClO)2 + Na2SO4 =>
Fe2(SO4)3 + 3 Ca(OH)2 + 6 NaClO = 2 Fe(OH)3 + 3 Ca(ClO)2 + 3 Na2SO4
FeSO4 + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + K2SO4 =>
3 FeSO4 + 2 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]2 + 3 K2SO4
H2O(l) + Na = NaOH(aq) + H2(g) =>
2 H2O(l) + 2 Na = 2 NaOH(aq) + H2(g)
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
Mn + Si = MnSi =>
Mn + Si = MnSi
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