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4 NHClO4 = 2 N2 + 2 Cl2 + 7 O2 + 2 H2O
Mg(HCO3)2 + HCl = H2CO3 + MgCl2 =>
Mg(HCO3)2 + 2 HCl = 2 H2CO3 + MgCl2
FeI + Cl2 = FeCl3 + I2 =>
2 FeI + 3 Cl2 = 2 FeCl3 + I2
Zn + Pb(II) = Zn(II) + Pb =>
Zn + Pb(II) = Zn(II) + Pb
H3PO4(aq) + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4(aq) + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
H2S(g) + H2O(l) = H2(g) + SO2(g) =>
H2S(g) + 2 H2O(l) = 3 H2(g) + SO2(g)
Si + C = SiC80 =>
Si + 80 C = SiC80
CuSO4*5H2O + NH4OH = (NH4)2SO4*5H2O + Cu(OH)2 =>
CuSO4*5H2O + 2 NH4OH = (NH4)2SO4*5H2O + Cu(OH)2
KNO3 + H2O2 = H2NO3 + KO2 =>
KNO3 + H2O2 = H2NO3 + KO2
(NH4)2WO4 + NH4SCN + HCl + SnCl2 = (NH4)2[WO(SCN)5] + NH4Cl + SnCl4 + H2O =>
2(NH4)2WO4 + 10 NH4SCN + 12 HCl + SnCl2 = 2(NH4)2[WO(SCN)5] + 10 NH4Cl + SnCl4 + 6 H2O
ZnCl2 + NaNO3 = ZnNO3 + NaCl2 =>
ZnCl2 + NaNO3 = ZnNO3 + NaCl2
Ca(OH)2 + HNI3 = Ca(NI3)2 + H2O =>
Ca(OH)2 + 2 HNI3 = Ca(NI3)2 + 2 H2O
C4H9OH + KMnO4 + H2SO4 = C6H4COOH + MnSO4 + K2SO4 + H2O =>
35 C4H9OH + 52 KMnO4 + 78 H2SO4 = 20 C6H4COOH + 52 MnSO4 + 26 K2SO4 + 203 H2O
LiOH + BaCO3 = LiCO3 + BaOH =>
LiOH + BaCO3 = LiCO3 + BaOH
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C3H7OH + Li = C3H7OLi + H2 =>
2 C3H7OH + 2 Li = 2 C3H7OLi + H2
TiO2 + B4C + C = TiB2 + CO =>
2 TiO2 + B4C + 3 C = 2 TiB2 + 4 CO
F2 + LiBr = Br2 + LiF =>
F2 + 2 LiBr = Br2 + 2 LiF
BaO2 = BaO + O =>
BaO2 = BaO + O
NH3NI3 = N2 + NH4I + I2 =>
8 NH3NI3 = 5 N2 + 6 NH4I + 9 I2
H{+)+Al4(OH)10SO4 = Al{3+}+H2O+SO4{2-} =>
10 H{+)+Al4(OH)10SO4 = 4 Al{3+}+10H2O+SO4{2-}
FeZn + HCl = Fe + ZnCl + H =>
FeZn + HCl = Fe + ZnCl + H
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NaNO3(aq) + KI(aq) = K(NO3) + NaI =>
NaNO3(aq) + KI(aq) = K(NO3) + NaI
Li(cr) + N2 = Li3N(cr) =>
6 Li(cr) + N2 = 2 Li3N(cr)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PbO2 + MnO + HCl = HMnO4 + PbCl2 + H2O =>
5 PbO2 + 2 MnO + 10 HCl = 2 HMnO4 + 5 PbCl2 + 4 H2O
Cl2O + H3N = NH4Cl + N2 + H2O =>
3 Cl2O + 10 H3N = 6 NH4Cl + 2 N2 + 3 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P2O5 + KOH = K2HPO4 + H2O =>
P2O5 + 4 KOH = 2 K2HPO4 + H2O
H2 + F2 = HF =>
H2 + F2 = 2 HF
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Al + Hg{2+} = Al{3+} + Hg =>
2 Al + 3 Hg{2+} = 2 Al{3+} + 3 Hg
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
Na2SO4 + K2CO3 = K2SO4 + Na2CO3 =>
Na2SO4 + K2CO3 = K2SO4 + Na2CO3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NaOH(ag) + H2SO4(ag) = Na2SO4(ag) + H2O =>
2 NaOH(ag) + H2SO4(ag) = Na2SO4(ag) + 2 H2O
SnO + NaNO3 = Sn(NO3)2 + Na2O =>
SnO + 2 NaNO3 = Sn(NO3)2 + Na2O
NaI + Pb(NO3)2 = NaNO3 + PbI2 =>
2 NaI + Pb(NO3)2 = 2 NaNO3 + PbI2
KOH + InCl3 = KCl + In(OH)3 =>
3 KOH + InCl3 = 3 KCl + In(OH)3
NaOH + Fe(Cl)2 = NaCl + Fe(OH)2 =>
2 NaOH + Fe(Cl)2 = 2 NaCl + Fe(OH)2
NaOH + H3C6H507 = H2O + Na + CO2 =>
534 NaOH + H3C6H507 = 522 H2O + 534 Na + 6 CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
(NH4)2SO4(s) + BaCl2(s) = NH4Cl(aq) + BaSO4(s) =>
(NH4)2SO4(s) + BaCl2(s) = 2 NH4Cl(aq) + BaSO4(s)
K2Cr2O7 + S8 = K2O + Cr2O3 + SO2 =>
16 K2Cr2O7 + 3 S8 = 16 K2O + 16 Cr2O3 + 24 SO2
Na2MnO4 + NaNO2 + H2SO4 = Na2SO4 + MnSO4 + NaNO3 + H2O =>
Na2MnO4 + 2 NaNO2 + 2 H2SO4 = Na2SO4 + MnSO4 + 2 NaNO3 + 2 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
CH2BrCH2Br + NaOH = CH3CHO + NaBr + H2O =>
CH2BrCH2Br + 2 NaOH = CH3CHO + 2 NaBr + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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