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4 Na + O2 = 2 Na2O
Br1 + CaI2 = BrI + Ca =>
2 Br1 + CaI2 = 2 BrI + Ca
CH4 + CO = C2H6 + H2O =>
5 CH4 + CO = 3 C2H6 + H2O
H2C2O4 + KMnO4 = CO2 + K2O + MnO2 + H2O =>
3 H2C2O4 + 2 KMnO4 = 6 CO2 + K2O + 2 MnO2 + 3 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ni(NO3)2 + Na3PO4 = Ni3(PO4)2 + Na(NO3) =>
3 Ni(NO3)2 + 2 Na3PO4 = Ni3(PO4)2 + 6 Na(NO3)
Ta + O2 + NaOH = NaTaO3 + H2O =>
4 Ta + 5 O2 + 4 NaOH = 4 NaTaO3 + 2 H2O
Mg2(SO4)2 + NaCl = Na2(SO4) + MgCl2 =>
Mg2(SO4)2 + 4 NaCl = 2 Na2(SO4) + 2 MgCl2
Fe(OH)3 + H2SO3 = Fe2(SO3)3 + H2O =>
2 Fe(OH)3 + 3 H2SO3 = Fe2(SO3)3 + 6 H2O
KMnO4 + Al2(SO4)3 = K2(SO4) + Al(MnO4)3 =>
6 KMnO4 + Al2(SO4)3 = 3 K2(SO4) + 2 Al(MnO4)3
Al(NO3)3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + Al(OH)3(s) =>
2 Al(NO3)3(aq) + 3 Ca(OH)2(aq) = 3 Ca(NO3)2(aq) + 2 Al(OH)3(s)
OF2 + NaOH = O2 + NaF + H2O =>
OF2 + 2 NaOH = O2 + 2 NaF + H2O
Ag(NO3)3 + Na2CO3 + H2O = Ag(OH)3 + NaNO3 + CO2 =>
2 Ag(NO3)3 + 3 Na2CO3 + 3 H2O = 2 Ag(OH)3 + 6 NaNO3 + 3 CO2
SrO2 = SrO + O2 =>
2 SrO2 = 2 SrO + O2
NaOH + Hg = H2 + Na2HgO2 =>
2 NaOH + Hg = H2 + Na2HgO2
Br2 + FeCl3 = Fe + BrCl =>
3 Br2 + 2 FeCl3 = 2 Fe + 6 BrCl
CuBr2 + (NH4)2S = CuS + NH4Br =>
CuBr2 + (NH4)2S = CuS + 2 NH4Br
C2H2 + O2 = CO + H2O =>
2 C2H2 + 3 O2 = 4 CO + 2 H2O
CH3CN + O2 = CO + H2O + NO =>
4 CH3CN + 9 O2 = 8 CO + 6 H2O + 4 NO
CaCl2(aq) + Na2CO3 = CaCO3(s) + NaCl(aq) =>
CaCl2(aq) + Na2CO3 = CaCO3(s) + 2 NaCl(aq)
Al(C2H3O2)3 + H2SO4 = Al2(SO4)3 + H(C2H3O2) =>
2 Al(C2H3O2)3 + 3 H2SO4 = Al2(SO4)3 + 6 H(C2H3O2)
H[AuCl4] + NaOH = Au(OH)3 + NaCl + H2O =>
H[AuCl4] + 4 NaOH = Au(OH)3 + 4 NaCl + H2O
CH3OH + CH3CH2CH2COOH = CH3CH2CH2COOCH3 + H2O =>
CH3OH + CH3CH2CH2COOH = CH3CH2CH2COOCH3 + H2O
H2O2 + As = HAsO2 + H2O =>
3 H2O2 + 2 As = 2 HAsO2 + 2 H2O
Br2O + H2O = Br(OH) =>
Br2O + H2O = 2 Br(OH)
Ca(OH)2(aq) = Ca + OH =>
Ca(OH)2(aq) = Ca + 2 OH
NaClO = NaCl + O2 =>
2 NaClO = 2 NaCl + O2
KAl(OH)4 + H2C2O4 + KOH = K3Al(C2O4)3*3H2O + H2O =>
KAl(OH)4 + 3 H2C2O4 + 2 KOH = K3Al(C2O4)3*3H2O + 3 H2O
FeBr2 + Br = FeBr3 =>
FeBr2 + Br = FeBr3
Co(CO3)2 = CoO2 + CO2 =>
Co(CO3)2 = CoO2 + 2 CO2
Na2O2 + HOH = NaOH + O2 =>
2 Na2O2 + 2 HOH = 4 NaOH + O2
CuCl2(aq) + NH3(aq) + H2O(l) = Cu(OH)2(s) + NH4Cl(aq) =>
CuCl2(aq) + 2 NH3(aq) + 2 H2O(l) = Cu(OH)2(s) + 2 NH4Cl(aq)
MnO2(s) + HCl(aq) = MnCl2(aq) + Cl2(g) + H2O(i) =>
MnO2(s) + 4 HCl(aq) = MnCl2(aq) + Cl2(g) + 2 H2O(i)
NaOH + KSb(OH)6 = NaSb(OH)6 + KOH =>
NaOH + KSb(OH)6 = NaSb(OH)6 + KOH
K[Al(OH)4] + HBr = AlBr3 + KBr + H2O =>
K[Al(OH)4] + 4 HBr = AlBr3 + KBr + 4 H2O
SiO2 + Na = Si + NaO =>
SiO2 + 2 Na = Si + 2 NaO
MnO + O2 = Mn2O3 =>
4 MnO + O2 = 2 Mn2O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CuO2H2 + HC2H3O2 = CuC4H6O4 + H2O =>
CuO2H2 + 2 HC2H3O2 = CuC4H6O4 + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CaI = Ca + I =>
CaI = Ca + I
C5H10 = C + H2 =>
C5H10 = 5 C + 5 H2
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
KNO3 + KI = K + INO3 =>
KNO3 + KI = 2 K + INO3
NaH2PO4 + NH3 = NaNH4HPO4 =>
NaH2PO4 + NH3 = NaNH4HPO4
C12H22O4 + H2O = CH3CH2OH + CO2 =>
6 C12H22O4 + 27 H2O = 31 CH3CH2OH + 10 CO2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
HCl + O3 = H2O + Cl2 =>
6 HCl + O3 = 3 H2O + 3 Cl2
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