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3 Fe2O3 + HClO4 = 6 FeO2 + HClO
LiBr + KNO3 = Li(NO3) + KBr =>
LiBr + KNO3 = Li(NO3) + KBr
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
S8 + Cl2 + KOH = KCl + K2SO4 + H2O =>
S8 + 24 Cl2 + 64 KOH = 48 KCl + 8 K2SO4 + 32 H2O
HHSO4 + NaOH = NaHSO4 + H2O =>
HHSO4 + NaOH = NaHSO4 + H2O
Ca5(PO4)3F + H2SO4 + H2O = CaSO4 + HF + Ca(H2PO4)2*H2O =>
2 Ca5(PO4)3F + 7 H2SO4 + 3 H2O = 7 CaSO4 + 2 HF + 3 Ca(H2PO4)2*H2O
Ca(NO3)2 + Fe2(SO4)3 = Fe(NO3)3 + CaSO4 =>
3 Ca(NO3)2 + Fe2(SO4)3 = 2 Fe(NO3)3 + 3 CaSO4
HC = H2C2 =>
2 HC = H2C2
Na2CrO4 + PbI2 = PbCrO4 + NaI =>
Na2CrO4 + PbI2 = PbCrO4 + 2 NaI
NiCl2 + PY = NiPYCl + ClPY =>
NiCl2 + 2 PY = NiPYCl + ClPY
Cs + P4 = Cs4P =>
16 Cs + P4 = 4 Cs4P
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
C7H8 + Br2 = C7H5Br2 + HBr =>
2 C7H8 + 5 Br2 = 2 C7H5Br2 + 6 HBr
Li2Cr2O7 + H2SO4 + NiSO4 = Ni2(SO4)3 + CrSO4 + Li2SO4 + H2O =>
Li2Cr2O7 + 7 H2SO4 + 8 NiSO4 = 4 Ni2(SO4)3 + 2 CrSO4 + Li2SO4 + 7 H2O
CaO + SnCl2 = CaCl2 + SnO =>
CaO + SnCl2 = CaCl2 + SnO
NH4Br + NaCl = NH4Cl + NaBr =>
NH4Br + NaCl = NH4Cl + NaBr
K2SO4 + HClO3 = KClO3 + H2SO4 =>
K2SO4 + 2 HClO3 = 2 KClO3 + H2SO4
FeOSO2 = FeSO3 =>
FeOSO2 = FeSO3
Mn{+2} + Cl{-} = Mn{4+} + Cl{2-} =>
Mn{+2} + 2 Cl{-} = Mn{4+} + 2 Cl{2-}
FeS + HNO3 = Fe(NO33) + NO2 + S + H2O =>
FeS + 62 HNO3 = Fe(NO33) + 61 NO2 + S + 31 H2O
PbSO4 + Mg = PbS + MgO =>
PbSO4 + 4 Mg = PbS + 4 MgO
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
OCl{-} + S2O3{2-} + H2O = SO4{2-} + Cl{-} + H{+} =>
4 OCl{-} + S2O3{2-} + H2O = 2 SO4{2-} + 4 Cl{-} + 2 H{+}
CO3CaO = CaCO4 =>
CO3CaO = CaCO4
PbZn(NO3)2 = Pb(NO3)2Zn =>
PbZn(NO3)2 = Pb(NO3)2Zn
Fe(NO3)2(aq) = Fe + NO3(aq) =>
Fe(NO3)2(aq) = Fe + 2 NO3(aq)
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Fe2O3 + P2O5 = FePO4 =>
Fe2O3 + P2O5 = 2 FePO4
HF + H2O = H3O + F =>
HF + H2O = H3O + F
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCl2 + H2CO3 = Ca(HCO3)2 + HCl =>
CaCl2 + 2 H2CO3 = Ca(HCO3)2 + 2 HCl
FeS + H2SO4 = FeHSO4 + H2O + SO2 =>
2 FeS + 7 H2SO4 = 2 FeHSO4 + 6 H2O + 7 SO2
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
C7H12 + H2 = C7H16 =>
C7H12 + 2 H2 = C7H16
H2SO4 + Pb(CH3CO2)2 = PbSO4 + CH3CO2H =>
H2SO4 + Pb(CH3CO2)2 = PbSO4 + 2 CH3CO2H
NaCl + NaOH = ClOH + Na =>
NaCl + NaOH = ClOH + 2 Na
H2SO4 + Pb(CH3CO2)2 = PbSO4 + CH3CO2H =>
H2SO4 + Pb(CH3CO2)2 = PbSO4 + 2 CH3CO2H
Ca(OH)2 + Cu(NO3)2 = Ca(NO3)2 + Cu(OH)2 =>
Ca(OH)2 + Cu(NO3)2 = Ca(NO3)2 + Cu(OH)2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
H3C6H5O7 + NaOH = Na3C6H5O7 + H2O =>
H3C6H5O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
CH2CHCHCH2 + HCl = CH2ClCH2CH2CH2Cl =>
CH2CHCHCH2 + 2 HCl = CH2ClCH2CH2CH2Cl
Na2CO3 + CuCl2 = CO2 + CuO + NaCl =>
Na2CO3 + CuCl2 = CO2 + CuO + 2 NaCl
Fe*S = FeS =>
Fe*S = FeS
C3H6 + C6H6 = C6H5C3H7 =>
C3H6 + C6H6 = C6H5C3H7
CrPO4 + KOH = Cr(OH)3 + K3PO4 =>
CrPO4 + 3 KOH = Cr(OH)3 + K3PO4
[Co(H2O)6]Cl2 + NH3 + NO2 = [Co(NH3)5NO2]Cl2 + H2O =>
[Co(H2O)6]Cl2 + 5 NH3 + NO2 = [Co(NH3)5NO2]Cl2 + 6 H2O
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O =>
HCl + Fe(OH)3 = Fe(OH)2Cl + H2O
PbF2 + AgMnO4 = Pb(MnO4)2 + AgF =>
PbF2 + 2 AgMnO4 = Pb(MnO4)2 + 2 AgF
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