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4 KMnO4 + 5 FeSO4 + 16 H2SO4 = 5 Fe(SO4)3 + 4 MnSO4 + 2 K2SO4 + 16 H2O
CaS + HBr = CaBr2 + H2S =>
CaS + 2 HBr = CaBr2 + H2S
Pb2 + Fe3(NO3)3 = Pb(NO3)3 + Fe =>
Pb2 + 2 Fe3(NO3)3 = 2 Pb(NO3)3 + 6 Fe
Na + CaF2 = Ca + NaF2 =>
Na + CaF2 = Ca + NaF2
S + HClO3 = SO2 + HCl =>
3 S + 2 HClO3 = 3 SO2 + 2 HCl
Al2(SO4)3 + Sr(CH3COO)2 = Sr(SO4)3 + Al2(CH3COO)2 =>
Al2(SO4)3 + Sr(CH3COO)2 = Sr(SO4)3 + Al2(CH3COO)2
Cr + HNO3 + HCl = CrCl3 + NO + H2O =>
Cr + HNO3 + 3 HCl = CrCl3 + NO + 2 H2O
H3CO3 + Ba(OH)2 = Ba3(CO3)2 + H2O =>
2 H3CO3 + 3 Ba(OH)2 = Ba3(CO3)2 + 6 H2O
CH2COOH = H + CH2COO =>
CH2COOH = H + CH2COO
CaCO3 + HC2H3O2 = Ca(C2H3O2)2 + H2O + CO2 =>
CaCO3 + 2 HC2H3O2 = Ca(C2H3O2)2 + H2O + CO2
HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + 2 H2O(l)
Mo + F2 = MoF3 =>
2 Mo + 3 F2 = 2 MoF3
O2 + N = NO =>
O2 + 2 N = 2 NO
H2SO4(aq) + Fe(s) = H2(g) + FeSO4(aq) =>
H2SO4(aq) + Fe(s) = H2(g) + FeSO4(aq)
SnO + C = Sn + CO =>
SnO + C = Sn + CO
CaCO3 + Na2SO4 = CaSO4 + Na2CO3 =>
CaCO3 + Na2SO4 = CaSO4 + Na2CO3
KI + K2Cr2O7 + H2SO4 = I2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 KI + K2Cr2O7 + 7 H2SO4 = 3 I2 + 4 K2SO4 + Cr2(SO4)3 + 7 H2O
Pb(NO3)2 + KI = PbI2(s) + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2(s) + 2 KNO3
Co(NH3)3Cl3 = CoCl2 + NH3 + Cl2 =>
2 Co(NH3)3Cl3 = 2 CoCl2 + 6 NH3 + Cl2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Al2O3 + H2O + KOH = K3[Al(OH)6] =>
Al2O3 + 3 H2O + 6 KOH = 2 K3[Al(OH)6]
C43H81 + O2 = CO2 + H2O =>
4 C43H81 + 253 O2 = 172 CO2 + 162 H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
CaS + Na = Na2S + Ca =>
CaS + 2 Na = Na2S + Ca
K + C + O = KCO =>
K + C + O = KCO
Cl2O + N2O5 = ClONO2 =>
Cl2O + N2O5 = 2 ClONO2
(CH2)6N4 + Sr(NO3)2 = CO2 + H2O + SrO + N2 =>
5(CH2)6N4 + 18 Sr(NO3)2 = 30 CO2 + 30 H2O + 18 SrO + 28 N2
H2CO3 + Mg = H2 + MgCO3 =>
H2CO3 + Mg = H2 + MgCO3
NH3(g) + HCI(g) = NH4CI =>
NH3(g) + HCI(g) = NH4CI
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + K2SO4 + 7 H2O
P2O5 + Zn(OH)2 = H3PO4 + ZnO =>
P2O5 + 3 Zn(OH)2 = 2 H3PO4 + 3 ZnO
Al + HNO3 = N2 + Al(NO3)3 + H2O =>
10 Al + 36 HNO3 = 3 N2 + 10 Al(NO3)3 + 18 H2O
Mn(OH)2 + H2SO4 = Mn4(SO4)4 + H2O =>
4 Mn(OH)2 + 4 H2SO4 = Mn4(SO4)4 + 8 H2O
NH2Cl + Cl2 = N2 + HCl =>
2 NH2Cl + Cl2 = N2 + 4 HCl
CuO + NaOH = Cu(OH)2 + Na2O =>
CuO + 2 NaOH = Cu(OH)2 + Na2O
CrBr3 + H2O2 + NaOH = Na2CrO4 + HBr + H2O =>
2 CrBr3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 6 HBr + 2 H2O
C6H16 + Br2 = C6H5Br + H2 =>
2 C6H16 + Br2 = 2 C6H5Br + 11 H2
BF3 + LiSO3 = B2 + (SO3)3 + LiF =>
2 BF3 + 6 LiSO3 = B2 + 2(SO3)3 + 6 LiF
SiCl4 + H2O + KOH = K2SiO3 + HCl =>
SiCl4 + H2O + 2 KOH = K2SiO3 + 4 HCl
ClO + H2O = Cl + OH =>
ClO + H2O = Cl + 2 OH
Fe + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
Mg + AgNO3 = Mg3(NO3)2 + Ag =>
3 Mg + 2 AgNO3 = Mg3(NO3)2 + 2 Ag
NaOCl + Na2S2O3 + H2O = Na2SO4 + NaCl + H2SO4 =>
4 NaOCl + Na2S2O3 + H2O = Na2SO4 + 4 NaCl + H2SO4
P4O6 + H2O = PH3 + H3PO4 =>
P4O6 + 6 H2O = PH3 + 3 H3PO4
Ba3Al2 = Ba + Al =>
Ba3Al2 = 3 Ba + 2 Al
CH3CO2H + H2O = CH3COO + H3O =>
CH3CO2H + H2O = CH3COO + H3O
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
Fe + Pb(NO2)2 = FeNO2 + Pb =>
2 Fe + Pb(NO2)2 = 2 FeNO2 + Pb
HCOOH + O2 = CO2 + H2O =>
2 HCOOH + O2 = 2 CO2 + 2 H2O
PCl3 + CH3OH = C3H9O3P + HCl =>
PCl3 + 3 CH3OH = C3H9O3P + 3 HCl
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