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Ca(OH)2 + Fe2(SO4)3 = Ca(SO4)3 + 2 FeOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + HCl + KBr = KCl + MnCl2 + H2O + Br2 =>
2 KMnO4 + 16 HCl + 10 KBr = 12 KCl + 2 MnCl2 + 8 H2O + 5 Br2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Cl + S = Cl2S4 =>
2 Cl + 4 S = Cl2S4
Na2O + KOH = NaOH + K2O =>
Na2O + 2 KOH = 2 NaOH + K2O
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
Cu + CO2 = CuO + C =>
2 Cu + CO2 = 2 CuO + C
BaCl2 + Na2Cr2O4 = BaCr2O4 + NaCl =>
BaCl2 + Na2Cr2O4 = BaCr2O4 + 2 NaCl
FeSO4 + Al2(Cr2O7)3 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + Al2(SO4)3 + H2O =>
18 FeSO4 + Al2(Cr2O7)3 + 21 H2SO4 = 9 Fe2(SO4)3 + 3 Cr2(SO4)3 + Al2(SO4)3 + 21 H2O
MnO4{-}(aq) + F{-}(aq) + H2O(l) = MnO2(s) + F2(aq) + OH{-}(aq) =>
2 MnO4{-}(aq) + 6 F{-}(aq) + 4 H2O(l) = 2 MnO2(s) + 3 F2(aq) + 8 OH{-}(aq)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Pb(OH)2 + HCl = PbCl2 + H2(OH)2 =>
Pb(OH)2 + 2 HCl = PbCl2 + H2(OH)2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH4NO3(heat) = N2O + H2O =>
NH4NO3(heat) = N2O + 2 H2O
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
KMnO4 + MgS = K2S + Mg(MnO4)2 =>
2 KMnO4 + MgS = K2S + Mg(MnO4)2
C6H12 + Br2 = C6H11Br + HBr =>
C6H12 + Br2 = C6H11Br + HBr
NaAl(OH)4 + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 NaAl(OH)4 + 4 H2SO4 = Al2(SO4)3 + Na2SO4 + 8 H2O
NH4Cl + H2CO3 = (NH4)2CO3 + HCl =>
2 NH4Cl + H2CO3 = (NH4)2CO3 + 2 HCl
(a)CO2(g) + H2O(l) = C6H12O6(s) + O2(g) =>
6(a)CO2(g) + 6 H2O(l) = C6H12O6(s) + 6 O2(g)
MgO + Si = Mg + SiO2 =>
2 MgO + Si = 2 Mg + SiO2
S(s) + O2(l) = SO3(g) =>
2 S(s) + 3 O2(l) = 2 SO3(g)
Sb2O + H2O = H2Sb2O2 =>
Sb2O + H2O = H2Sb2O2
KOH + Cl2 = H2O + KCl + KClO3 =>
6 KOH + 3 Cl2 = 3 H2O + 5 KCl + KClO3
NH4OH + H2S = HOH + (NH4)2S =>
2 NH4OH + H2S = 2 HOH + (NH4)2S
Cr(OH)3 + H2O2 + KOH = H2O + K2CrO4 =>
2 Cr(OH)3 + 3 H2O2 + 4 KOH = 8 H2O + 2 K2CrO4
Sn + AlCl = SnCl2 + Al =>
Sn + 2 AlCl = SnCl2 + 2 Al
KMnO4 + Na2SO3 + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 Na2SO4 + 3 H2O
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
Br2 + Na2SiO3 + H2O = NaBr + NaBrO3 + H2SiO3 =>
3 Br2 + 3 Na2SiO3 + 3 H2O = 5 NaBr + NaBrO3 + 3 H2SiO3
HgCl2 = Hg + Cl =>
HgCl2 = Hg + 2 Cl
Cr{3+} + PbO2 + H2O = Pb{2+} + CrO4{2-} + H{+} =>
2 Cr{3+} + 3 PbO2 + 2 H2O = 3 Pb{2+} + 2 CrO4{2-} + 4 H{+}
CaI2 + AgNO3 = Ca(NO3)2 + AgI =>
CaI2 + 2 AgNO3 = Ca(NO3)2 + 2 AgI
C7H7NO2 + HCl = C7H8NO2 + Cl =>
C7H7NO2 + HCl = C7H8NO2 + Cl
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
FeO + CO2 = FeCO + O =>
FeO + CO2 = FeCO + 2 O
Cl2 + Ca3P2 + H2O = Ca3(PO4)2 + HCl =>
8 Cl2 + Ca3P2 + 8 H2O = Ca3(PO4)2 + 16 HCl
LiHCO3 = Li2CO3 + CO2 + H2O =>
2 LiHCO3 = Li2CO3 + CO2 + H2O
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
O + Cd = Cd2O =>
O + 2 Cd = Cd2O
Fe + H2O2 = Fe(OH)2 =>
Fe + H2O2 = Fe(OH)2
PbSO4 + AlCl3 = PbCl2 + Al2(SO4)3 =>
3 PbSO4 + 2 AlCl3 = 3 PbCl2 + Al2(SO4)3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Fe + ZnO + H2O = Fe(OH)3 + Zn =>
2 Fe + 3 ZnO + 3 H2O = 2 Fe(OH)3 + 3 Zn
K2CO3(aq) + Ca(NO3)2 = KNO3 + CaCO3 =>
K2CO3(aq) + Ca(NO3)2 = 2 KNO3 + CaCO3
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