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2 Mn{7+} + 5 Sn{2+} = 2 Mn{2+} + 5 Sn{4+}
(NH4)2CO3 + CH3COOH = CH3COONH4 + H2CO3 =>
(NH4)2CO3 + 2 CH3COOH = 2 CH3COONH4 + H2CO3
H2SO4 + HCl = H3ClSO4 =>
H2SO4 + HCl = H3ClSO4
C14H14 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
C14H14 + 2 KMnO4 + 3 H2SO4 = 2 C7H6O2 + 2 MnSO4 + K2SO4 + 4 H2O
I2 + KBr = Br2 + KI =>
I2 + 2 KBr = Br2 + 2 KI
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ni + HCl = H2 + NiCl3 =>
2 Ni + 6 HCl = 3 H2 + 2 NiCl3
C16H34(l) + O2(g) = CO(g) + H2O(g) =>
2 C16H34(l) + 33 O2(g) = 32 CO(g) + 34 H2O(g)
Na2SO3 + HI = H2SO3 + NaI =>
Na2SO3 + 2 HI = H2SO3 + 2 NaI
HCH2ClCO2 + NaOH = NaCH2Cl + CO2 + H2O =>
HCH2ClCO2 + NaOH = NaCH2Cl + CO2 + H2O
ZnSO4 + NaCl = ZnCl2 + SO4Na2 =>
ZnSO4 + 2 NaCl = ZnCl2 + SO4Na2
MnO4(s) + Al(s) = Mn(s) + Al2O3(s) =>
3 MnO4(s) + 8 Al(s) = 3 Mn(s) + 4 Al2O3(s)
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Na + O22 = Na2O =>
44 Na + O22 = 22 Na2O
AgNO3 + C2H6O = AgCNO + CO2 + H2O =>
3 AgNO3 + 2 C2H6O = 3 AgCNO + CO2 + 6 H2O
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Na2B4O7*10H2O(borax) + H3PO4 = Na3PO4 + H3BO3 + H2O =>
3 Na2B4O7*10H2O(borax) + 2 H3PO4 = 2 Na3PO4 + 12 H3BO3 + 15 H2O
Na2B4O7 + CH3OH + H2SO4 = B(CH3O)3 + Na2SO4 + H2O =>
Na2B4O7 + 12 CH3OH + H2SO4 = 4 B(CH3O)3 + Na2SO4 + 7 H2O
CaCO3 + HCI = CaCI + CO3H =>
CaCO3 + HCI = CaCI + CO3H
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na2CO3(s) + CH3COOH(aq) = NaCH3COO(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 CH3COOH(aq) = 2 NaCH3COO(aq) + H2O(l) + CO2(g)
Fe + HNO3(concentrado) = Fe(NO3)2 + H2O + NO2 =>
Fe + 4 HNO3(concentrado) = Fe(NO3)2 + 2 H2O + 2 NO2
FeCl3 + (NH4)2CO3 = Fe2(CO3)3 + NH4Cl =>
2 FeCl3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4Cl
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Cl2 + O2 = Cl2O7 = =>
2 Cl2 + 7 O2 = 2 Cl2O7
C7H6O2 + NaHCO3 = C7H5O2Na + H2O + CO1 =>
9 C7H6O2 + 8 NaHCO3 = 8 C7H5O2Na + 11 H2O + 15 CO1
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
C2H3Cl(g) + O2(g) = CO2(g) + H20(g) + HCl(g) =>
10 C2H3Cl(g) + 20 O2(g) = 20 CO2(g) + H20(g) + 10 HCl(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn(s) + Fe(NO3)2(aq) = Fe(s) + Zn(NO3)2(aq) =>
Zn(s) + Fe(NO3)2(aq) = Fe(s) + Zn(NO3)2(aq)
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Ga + H3O{+} + H2O = [Ga(H2O)6]{3+} + H2 =>
2 Ga + 6 H3O{+} + 6 H2O = 2[Ga(H2O)6]{3+} + 3 H2
C6H5COOH + SOCl2 = C6H5COCl + SO2 + HCl =>
C6H5COOH + SOCl2 = C6H5COCl + SO2 + HCl
C + S = CS2 =>
C + 2 S = CS2
FeI2 = Fe + I2 =>
FeI2 = Fe + I2
Cu + NO{3}{-} = Cu{2+} + NO =>
3 Cu + 2 NO{3}{-} = 3 Cu{2+} + 2 NO
PbCrO4 + LiSO4 = PbSO4 + LiCrO4 =>
PbCrO4 + LiSO4 = PbSO4 + LiCrO4
Hg + KCl = HgCl + K2 =>
2 Hg + 2 KCl = 2 HgCl + K2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
HNO3 + CuBr = Cu(NO3)2 + HBr + NO2 + H2O =>
3 HNO3 + CuBr = Cu(NO3)2 + HBr + NO2 + H2O
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Rb + NO2 = Rb2O + N2 =>
8 Rb + 2 NO2 = 4 Rb2O + N2
Br2 + KI = KBr + I2 = =>
Br2 + 2 KI = 2 KBr + I2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2SO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + SO2(g) =>
Na2SO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + SO2(g)
KAuO2 + Au = KAu + AuO2 =>
KAuO2 + Au = KAu + AuO2
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