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2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
NaBr = Na + Br =>
NaBr = Na + Br
Fe(OH)3 + Mg(NO3)2 = Fe(NO3)3 + Mg(OH)2 =>
2 Fe(OH)3 + 3 Mg(NO3)2 = 2 Fe(NO3)3 + 3 Mg(OH)2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
C6H5COOH + H2O = H3O + CH3CO2 =>
2 C6H5COOH + 21 H2O = 11 H3O + 7 CH3CO2
SiO2Mg2Si = MgOSi =>
SiO2Mg2Si = 2 MgOSi
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Mn(NO3)3 + Na2CO3 = Mn2(CO3)3 + NaNO3 =>
2 Mn(NO3)3 + 3 Na2CO3 = Mn2(CO3)3 + 6 NaNO3
Pb(C2H3O2)2(an) + HCl(aq) = PbCl2(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(an) + 2 HCl(aq) = PbCl2(s) + 2 HC2H3O2(aq)
(C17H35COO)2Ca + NaOH = (C17H35COO)2Na2 + Ca(OH)2 =>
(C17H35COO)2Ca + 2 NaOH = (C17H35COO)2Na2 + Ca(OH)2
Zn + Pb(II) = Zn(II) + Pb =>
Zn + Pb(II) = Zn(II) + Pb
HCOOC2H5 + H2O = HCOOH + C2H5OH =>
HCOOC2H5 + H2O = HCOOH + C2H5OH
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H4(SH) + (CO2H) = C7H6O2S =>
C6H4(SH) + (CO2H) = C7H6O2S
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CuS + FeCl3 = CuCl2 + Fe(Cl)2 + S =>
CuS + 2 FeCl3 = CuCl2 + 2 Fe(Cl)2 + S
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Zn + MnO2 + H2SO4 = MnSO4 + ZnSO4 + H2O =>
Zn + MnO2 + 2 H2SO4 = MnSO4 + ZnSO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SICl4 + H2O = H4SIO4 + HCl =>
SICl4 + 4 H2O = H4SIO4 + 4 HCl
Na2CO3 + MgBr2 = MgCO3 + NaBr =>
Na2CO3 + MgBr2 = MgCO3 + 2 NaBr
CuS + H2SO4 = CuSO4 + H2O + SO2 =>
CuS + 4 H2SO4 = CuSO4 + 4 H2O + 4 SO2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Ag3O2 = Ag + O2 =>
Ag3O2 = 3 Ag + O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Hg(NO3)2 + H2O = Hg(OH)NO3 + HNO3 =>
Hg(NO3)2 + H2O = Hg(OH)NO3 + HNO3
CuO2 + H2O = Cu(OH)4 =>
CuO2 + 2 H2O = Cu(OH)4
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CH3COOH + CH3COONa = CH3COO + CH3COONaH =>
CH3COOH + CH3COONa = CH3COO + CH3COONaH
HCOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
AlCl3 + KHCO3 = KCl + Al(OH)3 + CO2 =>
AlCl3 + 3 KHCO3 = 3 KCl + Al(OH)3 + 3 CO2
NaBr = Na + Br =>
NaBr = Na + Br
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4NO3 + Al + NaOH = NH3 + NaAlO2 + H2O =>
3 NH4NO3 + 8 Al + 8 NaOH = 6 NH3 + 8 NaAlO2 + H2O
BrS2 + O2 = Br2O3 + SO2 =>
4 BrS2 + 11 O2 = 2 Br2O3 + 8 SO2
Cr + H2SO3 = Cr2(SO3)3 + H2 =>
2 Cr + 3 H2SO3 = Cr2(SO3)3 + 3 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2NN(CH3)2 + N2O4 = N2 + CO2 + H2O =>
H2NN(CH3)2 + 2 N2O4 = 3 N2 + 2 CO2 + 4 H2O
NH3 + HNO3 = N2 + H2O =>
5 NH3 + 3 HNO3 = 4 N2 + 9 H2O
C6H4CH2OHOH + K2Cr2O7 + H2SO4 = C6H4OHCOOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H4CH2OHOH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H4OHCOOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
NH4NO3 + Al + NaOH = NH3 + NaAlO2 + H2O =>
3 NH4NO3 + 8 Al + 8 NaOH = 6 NH3 + 8 NaAlO2 + H2O
AgI + CaCl2 = AgCl + CaI2 =>
2 AgI + CaCl2 = 2 AgCl + CaI2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Na2S + NH4Cl = NaCl + H2S + NH3 =>
Na2S + 2 NH4Cl = 2 NaCl + H2S + 2 NH3
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