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C20H42 = C12H26 + 4 C2H4
C16H32 + H2 = C8H18 =>
C16H32 + 2 H2 = 2 C8H18
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Li + Mg(CO3) = Li2(CO3) + Mg =>
2 Li + Mg(CO3) = Li2(CO3) + Mg
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3 + Hg2(NO3)2 = Hg2 + (Hg(NH3)2(NO3)2) =>
4 NH3 + 2 Hg2(NO3)2 = Hg2 + 2(Hg(NH3)2(NO3)2)
FeCl2 + HCl = FeCl3 + H2 =>
2 FeCl2 + 2 HCl = 2 FeCl3 + H2
Al + HCl = AlCl3 + H4 =>
4 Al + 12 HCl = 4 AlCl3 + 3 H4
potassiumchlorate = potassiumchloride + oxygen =>
2 KClO3 = 2 KCl + 3 O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C12H12O12 + H2O = C2H5OH + CO2 =>
C12H12O12 + 3 H2O = 3 C2H5OH + 6 CO2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
Zn(NO3)2*6H2O + Fe(NO3)3*9H2O = ZnFe2O4 + N2 + O2 + H2O =>
Zn(NO3)2*6H2O + 2 Fe(NO3)3*9H2O = ZnFe2O4 + 4 N2 + 10 O2 + 24 H2O
(MeC5H4)Mn(CO)3 + NaNO2 + NH4PF6 + HCl = [(MeC5H4)Mn(CO)2(NO)]PF6 + CO + NH4Cl + NaCl + H2O =>
(MeC5H4)Mn(CO)3 + NaNO2 + NH4PF6 + 2 HCl = [(MeC5H4)Mn(CO)2(NO)]PF6 + CO + NH4Cl + NaCl + H2O
Cu + NaOH = Cu(OH)2 + Na =>
Cu + 2 NaOH = Cu(OH)2 + 2 Na
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
C5 + O = CO2 =>
C5 + 10 O = 5 CO2
CaCO3 + Cu2(OH)2CO3 + SiO2 = CaCuSi4O10 + CO2 + H2O =>
2 CaCO3 + Cu2(OH)2CO3 + 8 SiO2 = 2 CaCuSi4O10 + 3 CO2 + H2O
Na + H2 + S + O2 = NaHSO4 =>
2 Na + H2 + 2 S + 4 O2 = 2 NaHSO4
Al(NO3)3 + Al(OH)3 = AlOH(NO3)2 =>
2 Al(NO3)3 + Al(OH)3 = 3 AlOH(NO3)2
Al(H2O)6 + OH = Al(H2O)3(OH)3 + HOH =>
Al(H2O)6 + 3 OH = Al(H2O)3(OH)3 + 3 HOH
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
H2CCH2 + O2 = CO2 + H2O =>
H2CCH2 + 3 O2 = 2 CO2 + 2 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Fe(OH)2 + (NH4)3PO4 = NH4OH + Fe3(PO4)2 =>
3 Fe(OH)2 + 2(NH4)3PO4 = 6 NH4OH + Fe3(PO4)2
Cu(NO3)2 + HCl = CuCl2 + H(NO3) =>
Cu(NO3)2 + 2 HCl = CuCl2 + 2 H(NO3)
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Mg + O = MgO =>
Mg + O = MgO
Na2O + HI = NaI + H2O =>
Na2O + 2 HI = 2 NaI + H2O
CH3CH2CH2NH3Cl + NaOH = CH3CH2CH2NH3 + NaCl + OH =>
CH3CH2CH2NH3Cl + NaOH = CH3CH2CH2NH3 + NaCl + OH
FeCl3 + K2CrO4 = Fe2(CrO4)3 + KCl =>
2 FeCl3 + 3 K2CrO4 = Fe2(CrO4)3 + 6 KCl
CH2CHOH + O2 = CO2 + H2O =>
2 CH2CHOH + 5 O2 = 4 CO2 + 4 H2O
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
Cu3(PO4)2 + K2O = CuO + K3PO4 =>
Cu3(PO4)2 + 3 K2O = 3 CuO + 2 K3PO4
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
CH3COOH + CaCO3 = Ca(OH)2 + CH3COO =>
7 CH3COOH + 2 CaCO3 = 2 Ca(OH)2 + 8 CH3COO
FeS + HNO3 = Fe(NO3)3 + S + NO + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + S + NO + 2 H2O
H3PO4 + H2O = H3O{+} + HPO4{2-} =>
H3PO4 + 2 H2O = 2 H3O{+} + HPO4{2-}
C2H6 + Cl2 = C2H4Cl2 + HCl =>
C2H6 + 2 Cl2 = C2H4Cl2 + 2 HCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CoSO4 + NH4SCN = (NH4)2[Co(SCN)4] + (NH4)2SO4 =>
CoSO4 + 4 NH4SCN = (NH4)2[Co(SCN)4] + (NH4)2SO4
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
(NH2)2CO2 + O2 = CO2 + N2 + H2O =>
(NH2)2CO2 + O2 = CO2 + N2 + 2 H2O
FeCl2 + LiBr = LiCl + FeBr2 =>
FeCl2 + 2 LiBr = 2 LiCl + FeBr2
potassiumchlorate = potassiumchloride + oxygen =>
2 KClO3 = 2 KCl + 3 O2
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
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