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2 HC1 + 2 A1 = H2 + 2 A1C1
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4 + Al(OH)3 = AlSO4 + H2(OH)3 =>
H2SO4 + Al(OH)3 = AlSO4 + H2(OH)3
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
CO2 + CaOH2 = CaCO3 + H20 =>
10 CO2 + 10 CaOH2 = 10 CaCO3 + H20
CaCO3� = CaO + CO2 =>
CaCO3� = CaO + CO2
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Ca(NO3)2 + (NH4)3PO4 = Ca3(PO4)2 + NH4NO3 =>
3 Ca(NO3)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4NO3
Cr + H2SO4 = CrSO4 + H2 =>
Cr + H2SO4 = CrSO4 + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NiCl2 + K2CrO4 = K2Cl2 + NiCrO4 =>
NiCl2 + K2CrO4 = K2Cl2 + NiCrO4
NaOCl + C4H9Cl + HCl = H2O + NaCl + C4H8Cl2 =>
NaOCl + C4H9Cl + HCl = H2O + NaCl + C4H8Cl2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
H2O2 + HI = H2O + I2 =>
H2O2 + 2 HI = 2 H2O + I2
C2H3N + O2 = CO2 + H2O + NO =>
4 C2H3N + 13 O2 = 8 CO2 + 6 H2O + 4 NO
HCl(aq) + Na2CO3(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
2 HCl(aq) + Na2CO3(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NH4Cl + Pb(NO3)2 = NH4NO3 + PbCl2 =>
2 NH4Cl + Pb(NO3)2 = 2 NH4NO3 + PbCl2
MgCl2(aq) + AgNO3(aq) = Mg(NO3)2(aq) + AgCl(s) =>
MgCl2(aq) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 AgCl(s)
NaOCl + HCl = Cl2 + H2O + NaCl =>
NaOCl + 2 HCl = Cl2 + H2O + NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H2SO4(aq) + CaCO3(s) = H2O + CO2 + CaSO4 =>
H2SO4(aq) + CaCO3(s) = H2O + CO2 + CaSO4
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Cu(CH3COO)2 + H3PO4 + KCl = K2Cu2P6O18 + CO + HCl + H2 + H2O =>
2 Cu(CH3COO)2 + 6 H3PO4 + 2 KCl = K2Cu2P6O18 + 8 CO + 2 HCl + 8 H2 + 6 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ho2O3 + HF = HoF3 + H2O =>
Ho2O3 + 6 HF = 2 HoF3 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
AgNO3 + Al = Ag + Al(NO3)3 =>
3 AgNO3 + Al = 3 Ag + Al(NO3)3
C12H22O11 = C + H2O =>
C12H22O11 = 12 C + 11 H2O
Li3N(s) = Li(s) + N2(g) =>
2 Li3N(s) = 6 Li(s) + N2(g)
NiCl2 + Na3PO4 = Na3Cl2 + NiPO4 =>
NiCl2 + Na3PO4 = Na3Cl2 + NiPO4
As2S3 + O2 = As2O3 + SO2 =>
2 As2S3 + 9 O2 = 2 As2O3 + 6 SO2
Mg(s) + N2(g) = Mg3N2(s) =>
3 Mg(s) + N2(g) = Mg3N2(s)
CoCl2 + CoSO4 = Cl2SO4 + Co =>
CoCl2 + CoSO4 = Cl2SO4 + 2 Co
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Cu{2+} + OH{-} = Cu(OH)2 =>
Cu{2+} + 2 OH{-} = Cu(OH)2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
AgNO3 + CoCl2 = AgCl2 + CoNO3 =>
AgNO3 + CoCl2 = AgCl2 + CoNO3
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
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