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2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
K(s) + N2(s) = K3N(s) =>
6 K(s) + N2(s) = 2 K3N(s)
C20H24N2O2 + HCl = C20H25ClN2O2 =>
C20H24N2O2 + HCl = C20H25ClN2O2
KHCO3 + HCl = CO2 + H2O + KCl =>
KHCO3 + HCl = CO2 + H2O + KCl
CoBr2(s) = Co2 + Br =>
2 CoBr2(s) = Co2 + 4 Br
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Na2S + Ni(NO3)2 = Na2(NO3)2 + NiS =>
Na2S + Ni(NO3)2 = Na2(NO3)2 + NiS
CH3COOC2H5 + CaOH2 = C2H5OH + CH3COOCa =>
5 CH3COOC2H5 + 4 CaOH2 = 6 C2H5OH + 4 CH3COOCa
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
CuOH + ZnCl2 = CuCl + Zn(OH)2 =>
2 CuOH + ZnCl2 = 2 CuCl + Zn(OH)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca(s) + N2(g) = CaN2 =>
Ca(s) + N2(g) = CaN2
Sn2As2O7 + FeCN2 = SnCN2 + Fe2As2O7 =>
Sn2As2O7 + 2 FeCN2 = 2 SnCN2 + Fe2As2O7
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
MnO2 + HNO3 = Mn(NO3)2 + H2O + O2 =>
2 MnO2 + 4 HNO3 = 2 Mn(NO3)2 + 2 H2O + O2
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + NaNO3(ac) =>
Ca(NO3)2(ac) + Na2SO4(ac) = CaSO4(s) + 2 NaNO3(ac)
LiCl = Li + Cl =>
LiCl = Li + Cl
CH3CH2CN + H2O = CH3CH2COOH + NH3 =>
CH3CH2CN + 2 H2O = CH3CH2COOH + NH3
H3PO4 + OH = PO4(OH) + H2O =>
H3PO4 + 4 OH = PO4(OH) + 3 H2O
CH3COONa + AlCl3 = NaCl + (CH3COO)3Al =>
3 CH3COONa + AlCl3 = 3 NaCl + (CH3COO)3Al
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
(d)C6H14(g) + O2(g) = CO2(g) + H2O(g) =>
2(d)C6H14(g) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
Fe + HOH + O2 = Fe(OH)3 =>
4 Fe + 6 HOH + 3 O2 = 4 Fe(OH)3
Ca + AgNO3 = Ag + Ca(NO3)2 =>
Ca + 2 AgNO3 = 2 Ag + Ca(NO3)2
SO7 + K = K2O + S =>
SO7 + 14 K = 7 K2O + S
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH3CH2NO2 + Zn + KOH = CH3CH2NH2 + K2ZnO2 + H2O =>
CH3CH2NO2 + 3 Zn + 6 KOH = CH3CH2NH2 + 3 K2ZnO2 + 2 H2O
HCl + Na2S = H2S + NaCl =>
2 HCl + Na2S = H2S + 2 NaCl
MnO2 = Mn3O2 + O2 =>
3 MnO2 = Mn3O2 + 2 O2
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
Pb + Na2S = PbS + Na =>
Pb + Na2S = PbS + 2 Na
Fe + HNO2 = Fe(NO3)3 + NO + H2O =>
Fe + 12 HNO2 = Fe(NO3)3 + 9 NO + 6 H2O
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
H2 + Ag2O = H2O + Ag2 =>
H2 + Ag2O = H2O + Ag2
P + H2O2 + NaOH = Na4P2O6 + H2O =>
2 P + 4 H2O2 + 4 NaOH = Na4P2O6 + 6 H2O
Sr{2+} + SO4{-2} = SrSO4 =>
Sr{2+} + SO4{-2} = SrSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca3(PO4)2 = CaO + P2O5 =>
Ca3(PO4)2 = 3 CaO + P2O5
FeS + Fr = FrS + Fe =>
FeS + Fr = FrS + Fe
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
Pb(C2H3O2)2 + (NH4)3PO4 = PbPO4 + (NH4)3(C2H3O2)2 =>
Pb(C2H3O2)2 + (NH4)3PO4 = PbPO4 + (NH4)3(C2H3O2)2
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
SnS2 + KOH = K2SnS3 + K2SnO3 + H2O =>
3 SnS2 + 6 KOH = 2 K2SnS3 + K2SnO3 + 3 H2O
Pb(NO3)2 + KCr2O7 = K(NO3)2 + PbCr2O7 =>
Pb(NO3)2 + KCr2O7 = K(NO3)2 + PbCr2O7
CaCO3 + Ca(NO3)2 = Ca(NO3) + CO3 =>
CaCO3 + Ca(NO3)2 = 2 Ca(NO3) + CO3
C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2
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