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H2SO4 + 2 KOH = K2SO4 + 2 H2O
Al + Sn5 = Al5Sn3 =>
25 Al + 3 Sn5 = 5 Al5Sn3
KHCO3 + H2SO4 = K2SO4 + CO2 + H2O =>
2 KHCO3 + H2SO4 = K2SO4 + 2 CO2 + 2 H2O
KO2CCH(OH)CH(OH)CO2H + H2SO4 = K2SO4 + HO2CCH(OH)CH(OH)CO2H =>
2 KO2CCH(OH)CH(OH)CO2H + H2SO4 = K2SO4 + 2 HO2CCH(OH)CH(OH)CO2H
Cr2O3 + H2 = Cr + H2O =>
Cr2O3 + 3 H2 = 2 Cr + 3 H2O
AgF(aq) + (NH4)2S(aq) = Ag2S(s) + NH4F(aq) =>
2 AgF(aq) + (NH4)2S(aq) = Ag2S(s) + 2 NH4F(aq)
MnCl2 + (NH4)2(CO3) = Mn(CO3) + (NH4)Cl =>
MnCl2 + (NH4)2(CO3) = Mn(CO3) + 2(NH4)Cl
Na2SO3 + HCl + KI = I2 + Na2S + KCl + H2O =>
Na2SO3 + 6 HCl + 6 KI = 3 I2 + Na2S + 6 KCl + 3 H2O
Ba(OH)2 = Ba2 + (OH) =>
2 Ba(OH)2 = Ba2 + 4(OH)
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
BiOCl + Na2S + HCl = Bi2S3 + NaCl + H2O =>
2 BiOCl + 3 Na2S + 4 HCl = Bi2S3 + 6 NaCl + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NH2OH + K2Cr2O7 + H2O = HNO2 + Cr(OH)3 + KOH =>
3 NH2OH + 2 K2Cr2O7 + 5 H2O = 3 HNO2 + 4 Cr(OH)3 + 4 KOH
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Cl2 + KOH = KClO + KCl + H2O =>
Cl2 + 2 KOH = KClO + KCl + H2O
Se + Ca(OH)2 = CaSe + CaSeO3 + H2O =>
3 Se + 3 Ca(OH)2 = 2 CaSe + CaSeO3 + 3 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Cu(NO3)2 + Mn3(PO4)7 = Mn(NO3)7 + Cu3(PO4)2 =>
21 Cu(NO3)2 + 2 Mn3(PO4)7 = 6 Mn(NO3)7 + 7 Cu3(PO4)2
Ba + HCl1 = BaCl2 + H2 =>
Ba + 2 HCl1 = BaCl2 + H2
Cr2O7{-2} + S2O3{-2} + H{+} = Cr{3+} + S2O6{-2} + H2O =>
Cr2O7{-2} + S2O3{-2} + 8 H{+} = 2 Cr{3+} + S2O6{-2} + 4 H2O
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
CH3NHNH3 + N2O4 = N2 + H2O + CO2 =>
8 CH3NHNH3 + 11 N2O4 = 19 N2 + 28 H2O + 8 CO2
CuS + HNO3 = Cu(NO3)2 + SO2 + NO + H2O =>
CuS + 4 HNO3 = Cu(NO3)2 + SO2 + 2 NO + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
NH4H2PO4 = NH3 + HPO3 + H2O =>
NH4H2PO4 = NH3 + HPO3 + H2O
HClCa + Na2CO3 = Na2HCl + CaCO3 =>
HClCa + Na2CO3 = Na2HCl + CaCO3
Cr + Mn{2+} = Cr{3+} + Mn =>
2 Cr + 3 Mn{2+} = 2 Cr{3+} + 3 Mn
HN0 + Fe = Fe(N03)2 + H2 =>
6 HN0 + Fe = Fe(N03)2 + 3 H2
KCl + HCl = HK + Cl2 =>
KCl + HCl = HK + Cl2
I2 + H2SO3 = I2SO3 + H2 =>
I2 + H2SO3 = I2SO3 + H2
VSO4 + NaVO3 + H2SO4 = V2(SO4)3 + Na2SO4 + H2O =>
4 VSO4 + 2 NaVO3 + 6 H2SO4 = 3 V2(SO4)3 + Na2SO4 + 6 H2O
C8H18 = C3H6 + C5H12 =>
C8H18 = C3H6 + C5H12
CH3CH2CH2OH = CH2CHCH3 + H2O =>
CH3CH2CH2OH = CH2CHCH3 + H2O
Mn + PbO = MnO2 + Pb =>
Mn + 2 PbO = MnO2 + 2 Pb
NaS4O6 + H2O2 = Na2SO4 + H2O + H2SO4 =>
2 NaS4O6 + 13 H2O2 = Na2SO4 + 6 H2O + 7 H2SO4
C15H32(l) + O2(g) = CO2(g) + H2O(g) =>
C15H32(l) + 23 O2(g) = 15 CO2(g) + 16 H2O(g)
NaOH + K2O = KOH + Na2O =>
2 NaOH + K2O = 2 KOH + Na2O
(CH3)2NH2 + NaNO2 + HCl = CH3OH + N2 + NaCl + H2O =>
6(CH3)2NH2 + 8 NaNO2 + 8 HCl = 12 CH3OH + 7 N2 + 8 NaCl + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C2H4 + Br2 + H2O = CH2BrCH2OH + HBr =>
C2H4 + Br2 + H2O = CH2BrCH2OH + HBr
NO2 + CO = CO2NO =>
NO2 + CO = CO2NO
SrBr2 + (Nh4)2Co3 = SrCo3 + Nh4Br =>
SrBr2 + (Nh4)2Co3 = SrCo3 + 2 Nh4Br
Fe2O3 + I2 = Fe + IO3 =>
2 Fe2O3 + I2 = 4 Fe + 2 IO3
N2H4CO + H2O + HCl = NH4Cl + CO2 =>
N2H4CO + H2O + 2 HCl = 2 NH4Cl + CO2
Pb + PbSO3 = Pb2SO3 =>
Pb + PbSO3 = Pb2SO3
CuO + CaCO3 = CaO + CuCO3 =>
CuO + CaCO3 = CaO + CuCO3
CO2 + BaCl2 = BaCO2 + Cl2 =>
CO2 + BaCl2 = BaCO2 + Cl2
C1H18 + O2 = CO2 + H2O =>
2 C1H18 + 11 O2 = 2 CO2 + 18 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH4OH + Al(NO3)2 = AlOH + NH + NO3 =>
4 NH4OH + 13 Al(NO3)2 = 13 AlOH + 7 NH + 23 NO3
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