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2 Fe + KClO3 + 3 H2SO4 = Fe2(SO4)3 + KCl + 3 H2O
Fe + S = FeS2 =>
Fe + 2 S = FeS2
K2Cr2O7 + HCl = K2Cr2O7HCl =>
K2Cr2O7 + HCl = K2Cr2O7HCl
Al + Na2CO3 + H2O = Na[Al(OH)4] + CO2 + H2 =>
2 Al + Na2CO3 + 7 H2O = 2 Na[Al(OH)4] + CO2 + 3 H2
MnO4 + Hg = MnO2 + HgO =>
MnO4 + 2 Hg = MnO2 + 2 HgO
TiOSO4 + Zn + HCl = TiCl3 + ZnCl2 + H2SO4 + H2O =>
2 TiOSO4 + Zn + 8 HCl = 2 TiCl3 + ZnCl2 + 2 H2SO4 + 2 H2O
HCl(ac) + Cr(s) = CrCl3(ac) + H2(g) =>
6 HCl(ac) + 2 Cr(s) = 2 CrCl3(ac) + 3 H2(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCl + Na2SO3 + Na2S = S + NaCl + H2O =>
6 HCl + Na2SO3 + 2 Na2S = 3 S + 6 NaCl + 3 H2O
H2SO4 + ClBa = Ba(SO4) + H + Cl =>
H2SO4 + ClBa = Ba(SO4) + 2 H + Cl
K3[Fe(SCN)6] + KSCN = K4[Fe(SCN)6] + SCN =>
K3[Fe(SCN)6] + KSCN = K4[Fe(SCN)6] + SCN
Cu + H(NO2) = CuO + H2O + NO =>
Cu + 2 H(NO2) = CuO + H2O + 2 NO
Fe + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4 =>
Fe + K4[Fe(CN)6] = Fe[Fe(CN)6] + K4
HCl + Pd(OH)2 = PdCl2 + H2O =>
2 HCl + Pd(OH)2 = PdCl2 + 2 H2O
MnCl2 + KNO3 = Mn(NO3)2 + KCl =>
MnCl2 + 2 KNO3 = Mn(NO3)2 + 2 KCl
P4(s) + O2(g) = P2O5(s) =>
P4(s) + 5 O2(g) = 2 P2O5(s)
CU + HCl = CUCl2 + H2 =>
CU + 2 HCl = CUCl2 + H2
KOH(aq) + HClO4 = KClO4 + H2O =>
KOH(aq) + HClO4 = KClO4 + H2O
Na2CO3 + CsC2H3O2 = NaC2H3O2 + Cs2CO3 =>
Na2CO3 + 2 CsC2H3O2 = 2 NaC2H3O2 + Cs2CO3
H202 + KI = HI + K202 =>
H202 + 202 KI = 202 HI + K202
C67H104O6 + O2 = CO2 + H2O =>
C67H104O6 + 90 O2 = 67 CO2 + 52 H2O
Cl2 + BiI5 = BiCl5 + I2 =>
5 Cl2 + 2 BiI5 = 2 BiCl5 + 5 I2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
FeCl3 + K4Fe(CN)6 = Fe4(Fe(CN)6)3 + KCl =>
4 FeCl3 + 3 K4Fe(CN)6 = Fe4(Fe(CN)6)3 + 12 KCl
NO2{-} + NH3 = N2 + OH{-} + H2O =>
NO2{-} + NH3 = N2 + OH{-} + H2O
Na(l) + KNO3(s) = K2O(s) + Na2O(s) + N2(g) =>
10 Na(l) + 2 KNO3(s) = K2O(s) + 5 Na2O(s) + N2(g)
S{2-} + IO{-}3 = SO{2-}4 + I{-} =>
S{2-} + IO{-}3 = SO{2-}4 + I{-}
Cr(NO3)2 + CuSO4 = Cu + Cr(NO3)3 + CrSO4 =>
3 Cr(NO3)2 + CuSO4 = Cu + 2 Cr(NO3)3 + CrSO4
NH4F + Ga = H2 + NH3 + GaF6(NH4)2 =>
6 NH4F + Ga = 2 H2 + 4 NH3 + GaF6(NH4)2
Mg + Al2O3 = MgO + Al2 =>
3 Mg + Al2O3 = 3 MgO + Al2
Mg + GaBr3 = MgBr2 + Ga =>
3 Mg + 2 GaBr3 = 3 MgBr2 + 2 Ga
NaHCO3 + CH3COOC6H4COOH = CH3COOC6H4COONa + H2O + CO2 =>
NaHCO3 + CH3COOC6H4COOH = CH3COOC6H4COONa + H2O + CO2
Fe2O3 + HClO = Fe(ClO)3 + H2O =>
Fe2O3 + 6 HClO = 2 Fe(ClO)3 + 3 H2O
N2 + HNO3 = HNO2 + NO =>
N2 + 2 HNO3 = 2 HNO2 + 2 NO
Mg(HCO3)2(heat) = Mg(OH)2 + CO2 =>
Mg(HCO3)2(heat) = Mg(OH)2 + 2 CO2
C2Cl6 + ZnO = ZnOCl2 + C =>
C2Cl6 + 3 ZnO = 3 ZnOCl2 + 2 C
Pb(C2H3O2)2 + (NH4)2S = PbS + NH4C2H3O2 =>
Pb(C2H3O2)2 + (NH4)2S = PbS + 2 NH4C2H3O2
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Cd + Cu{2+} = Cd{2+} + Cu =>
Cd + Cu{2+} = Cd{2+} + Cu
Sc(s) + HCl(aq) = ScCl3(aq) + H2 =>
2 Sc(s) + 6 HCl(aq) = 2 ScCl3(aq) + 3 H2
Fe(NO3)3 + NH3 + H2O = NH4NO3 + FeOH3 =>
2 Fe(NO3)3 + 8 NH3 + 5 H2O = 7 NH4NO3 + 2 FeOH3
Fe{3+} + AsO2{-} + H2O = Fe{+2} + AsO4{3-} + H{+} =>
2 Fe{3+} + AsO2{-} + 2 H2O = 2 Fe{+2} + AsO4{3-} + 4 H{+}
CH2CH2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
CH2CH2 + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 2 CO2 + 10 H2O
KIO3 + Cu(SCN) + HCl = KCl + ICl + CuSO4 + HCN + H2O =>
7 KIO3 + 4 Cu(SCN) + 14 HCl = 7 KCl + 7 ICl + 4 CuSO4 + 4 HCN + 5 H2O
Cu + NaOH = CuOH + Na =>
Cu + NaOH = CuOH + Na
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2O = Na + O2* =>
2 Na2O = 4 Na + O2*
C2H5Cl + NaOH = C2H4 + NaCl + H2O =>
C2H5Cl + NaOH = C2H4 + NaCl + H2O
NaHCO3 + CaCl2 = NaCl + Ca(OH)2 + CO2 =>
2 NaHCO3 + CaCl2 = 2 NaCl + Ca(OH)2 + 2 CO2
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
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