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2 Fe + 3 H2O = Fe2O3 + 3 H2
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
C6H4(OH)2 + KBr + HCl = C6H4(OH)2HBr + KCl =>
C6H4(OH)2 + KBr + HCl = C6H4(OH)2HBr + KCl
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Ca3N2 = Ca + N2 =>
Ca3N2 = 3 Ca + N2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg + ZnCl2 = MgCl2 + Zn =>
Mg + ZnCl2 = MgCl2 + Zn
HfCl3 + Al = HfCl2 + AlCl3 =>
3 HfCl3 + Al = 3 HfCl2 + AlCl3
Li3PO4 + Zn(NO3)2 = Zn3(PO4)2 + LiNO3 =>
2 Li3PO4 + 3 Zn(NO3)2 = Zn3(PO4)2 + 6 LiNO3
Mg(s) + Fe2(SO4)3(aq) = MgSO4 + Fe =>
3 Mg(s) + Fe2(SO4)3(aq) = 3 MgSO4 + 2 Fe
CuCO3 + O2 = CuO + CO3 =>
2 CuCO3 + O2 = 2 CuO + 2 CO3
Na2CrO4 + KIO3 = NaIO3 + K2CrO4 =>
Na2CrO4 + 2 KIO3 = 2 NaIO3 + K2CrO4
K[Al(OH)4] + H2S = Al(OH)3 + K2S + H2O =>
2 K[Al(OH)4] + H2S = 2 Al(OH)3 + K2S + 2 H2O
Pb3O4 + NaOH + H2O = Na2[Pb(OH)4] + Na2[Pb(OH)6] =>
Pb3O4 + 6 NaOH + 4 H2O = 2 Na2[Pb(OH)4] + Na2[Pb(OH)6]
ICl3 = I2 + Cl2 =>
2 ICl3 = I2 + 3 Cl2
Zn + Mg(NO3)2 = Zn2NO3 + Mg =>
4 Zn + Mg(NO3)2 = 2 Zn2NO3 + Mg
CrCl3 + NaOH = Cr2O3 + HCl + NaCl =>
2 CrCl3 + 3 NaOH = Cr2O3 + 3 HCl + 3 NaCl
Cr2O3 + KNO3 = K2Cr2O7 + NO =>
Cr2O3 + 2 KNO3 = K2Cr2O7 + 2 NO
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
Na{+} + Cl{-} = NaCl =>
Na{+} + Cl{-} = NaCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KMnO4 + HCl = KCl(aq) + MnCl2(aq) + H2O(l) + Cl2(g) =>
2 KMnO4 + 16 HCl = 2 KCl(aq) + 2 MnCl2(aq) + 8 H2O(l) + 5 Cl2(g)
Cl2 + I2 = I2Cl6 =>
3 Cl2 + I2 = I2Cl6
CH3NH2 + Br2 = CH3NHBr + HBr =>
CH3NH2 + Br2 = CH3NHBr + HBr
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Rb + N2 = RbN =>
2 Rb + N2 = 2 RbN
HNO3 = NO + H2O + O2 =>
4 HNO3 = 4 NO + 2 H2O + 3 O2
FeCl2 + K2S = FeS + KCl =>
FeCl2 + K2S = FeS + 2 KCl
MgSO4 + CH3COOH = Mg(CH3COO)2 + H2SO4 =>
MgSO4 + 2 CH3COOH = Mg(CH3COO)2 + H2SO4
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
MnO2 + KClO3 + KOH = K2MnO4 + Cl + H2O =>
5 MnO2 + 2 KClO3 + 8 KOH = 5 K2MnO4 + 2 Cl + 4 H2O
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
Cl2(g) + Br{-}(aq) = Cl{-}(aq) + Br2(l) =>
Cl2(g) + 2 Br{-}(aq) = 2 Cl{-}(aq) + Br2(l)
CaCO3 + MgCl2 = MgCO3 + CaCl2 =>
CaCO3 + MgCl2 = MgCO3 + CaCl2
ZnSO3 + H2S = ZnS + H2SO3 =>
ZnSO3 + H2S = ZnS + H2SO3
Li2O + N2O3 = LiNO2 =>
Li2O + N2O3 = 2 LiNO2
C8H17 + O2 = CO2 + H2O =>
4 C8H17 + 49 O2 = 32 CO2 + 34 H2O
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
O3 + KI + H2O = KOH + I2 =>
O3 + 6 KI + 3 H2O = 6 KOH + 3 I2
ClO + HCl = Cl + H2O =>
ClO + 2 HCl = 3 Cl + H2O
CH3OH + MnO4{-} + OH{-} = CO3{2-} + MnO4{2-} + H2O =>
CH3OH + 6 MnO4{-} + 8 OH{-} = CO3{2-} + 6 MnO4{2-} + 6 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KI + Cl2 = KCl + I =>
2 KI + Cl2 = 2 KCl + 2 I
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CH3CH2CH2CH2CHO + H2O = CH3CH2CH2CH2CH2OH + O2 =>
2 CH3CH2CH2CH2CHO + 2 H2O = 2 CH3CH2CH2CH2CH2OH + O2
H8C + O2 = CO2 + H2O =>
H8C + 3 O2 = CO2 + 4 H2O
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
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