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2 C2H66 + 37 O2 = 4 CO2 + 66 H2O
Fe = Fe202 =>
202 Fe = Fe202
H2C2O4*2H2O + KOH = K2C2O4 + H2O =>
H2C2O4*2H2O + 2 KOH = K2C2O4 + 4 H2O
Mg(OH)2 + C12H9N3O4 = Mg + (C12H9N3O4)OH =>
Mg(OH)2 + 2 C12H9N3O4 = Mg + 2(C12H9N3O4)OH
NaI + CuF = NaF + CuI =>
NaI + CuF = NaF + CuI
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Pb(ClO3)2 + Na2CO3 = PbCO3 + NaClO3 =>
Pb(ClO3)2 + Na2CO3 = PbCO3 + 2 NaClO3
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
K2ONH3 = KNH2KOH =>
K2ONH3 = KNH2KOH
PtCl4 + Fr3PO4 = Pt3(PO4)4 + FrCl =>
3 PtCl4 + 4 Fr3PO4 = Pt3(PO4)4 + 12 FrCl
As2SO3 + HNO3 + H2O = H3AsO4 + H2SO4 + NO =>
3 As2SO3 + 10 HNO3 + 7 H2O = 6 H3AsO4 + 3 H2SO4 + 10 NO
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + Na(NO3)(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 Na(NO3)(aq)
PCl3 + HNO3 + Cl2 = NO + HCl + POCl3 =>
4 PCl3 + 2 HNO3 + Cl2 = 2 NO + 2 HCl + 4 POCl3
K2SiO3 + HNo3 = H2SiO3 + KNo3 =>
K2SiO3 + 2 HNo3 = H2SiO3 + 2 KNo3
AlBr3 + Pb(OH)2 = Al(OH)3 + PbBr2 =>
2 AlBr3 + 3 Pb(OH)2 = 2 Al(OH)3 + 3 PbBr2
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
COCl2 + H2O = HCl + CO2 =>
COCl2 + H2O = 2 HCl + CO2
(NH4)2Cu(SO4)2*6H2O + NH3 = (NH4)2(NH3)2Cu(SO4)2*4H2O + H2O =>
(NH4)2Cu(SO4)2*6H2O + 2 NH3 = (NH4)2(NH3)2Cu(SO4)2*4H2O + 2 H2O
CrN + HCl = CrCl3 + NH4Cl =>
CrN + 4 HCl = CrCl3 + NH4Cl
Cu + MnSO4 = CuSO4 + Mn =>
Cu + MnSO4 = CuSO4 + Mn
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
IH = I2 + H2 =>
2 IH = I2 + H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
PCl5(s) + H2O(l) = POCl3(s) + HCl(aq) =>
PCl5(s) + H2O(l) = POCl3(s) + 2 HCl(aq)
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
H[AuCl4] + KOH = Au(OH)3 + KCl + H2O =>
H[AuCl4] + 4 KOH = Au(OH)3 + 4 KCl + H2O
NiO = Ni + O2 =>
2 NiO = 2 Ni + O2
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O =>
Na[Al(OH)4] + HNO3 = Al(OH)3 + NaNO3 + H2O
H2SO4 + HI = H2S03 + I2 + H2O =>
3 H2SO4 + 20 HI = H2S03 + 10 I2 + 12 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
FeSO4*(NH4)2SO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + (NH4)2SO4 + K2SO4 + H2O =>
6 FeSO4*(NH4)2SO4 + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 6(NH4)2SO4 + K2SO4 + 7 H2O
Fe(CH3COO)2 + HCl = Fe + Cl + CH3COOH =>
Fe(CH3COO)2 + 2 HCl = Fe + 2 Cl + 2 CH3COOH
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2SO4 + ZnO2 = ZnSO4 + O2 + H2O =>
2 H2SO4 + 2 ZnO2 = 2 ZnSO4 + O2 + 2 H2O
Zn(s) + Sn(NO3)4(aq) = Zn(NO3)2(aq) + Sn(s) =>
2 Zn(s) + Sn(NO3)4(aq) = 2 Zn(NO3)2(aq) + Sn(s)
FeCl2 + KSCN = FeCN + KSCl2 =>
FeCl2 + KSCN = FeCN + KSCl2
HI + Cu2O = CuI + H2O =>
2 HI + Cu2O = 2 CuI + H2O
Ti + Al2O3 = TiO + Al =>
3 Ti + Al2O3 = 3 TiO + 2 Al
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
H2S + Pb(NO3)2 = Pb2S + H(NO3)2 =>
H2S + 2 Pb(NO3)2 = Pb2S + 2 H(NO3)2
Al + H2SO4 = Al2(SO4) + SO2 + H2O =>
2 Al + 2 H2SO4 = Al2(SO4) + SO2 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CuCl2 + Pb = PbCl + Cu =>
CuCl2 + 2 Pb = 2 PbCl + Cu
NaH + BCl3 = NaCl + B + H =>
3 NaH + BCl3 = 3 NaCl + B + 3 H
IO3{-} + N3{-} + H2O = I2 + NO2 + OH{-} =>
26 IO3{-} + 10 N3{-} + 18 H2O = 13 I2 + 30 NO2 + 36 OH{-}
HCl + FeSO3 = H2S + FeCl2 + O2 =>
4 HCl + 2 FeSO3 = 2 H2S + 2 FeCl2 + 3 O2
CrCl2 + Al(NO3)3 = Cr(NO3)2 + AlCl3 =>
3 CrCl2 + 2 Al(NO3)3 = 3 Cr(NO3)2 + 2 AlCl3
LiOH + (NH4)2S = NH4OH + Li2S =>
2 LiOH + (NH4)2S = 2 NH4OH + Li2S
Br2 + K = KBr =>
Br2 + 2 K = 2 KBr
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