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2 CuO2 = Cu2 + 2 O2
Ca(OH)2 + H3PO4 = H2O + Ca3(PO4)2 =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3(PO4)2
HCOONa + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O + Na2SO4 =>
6 HCOONa + 2 K2Cr2O7 + 11 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 6 CO2 + 14 H2O + 3 Na2SO4
SO3 + Mg = MgO + SO2 =>
SO3 + Mg = MgO + SO2
Li2CO3 + CaF2 + O2 = F2 + Li2CaO2 + CO2 =>
2 Li2CO3 + 2 CaF2 + O2 = 2 F2 + 2 Li2CaO2 + 2 CO2
I2 + ClO{-} + H2O = IO3{-} + Cl{-} + H{+} =>
I2 + 5 ClO{-} + H2O = 2 IO3{-} + 5 Cl{-} + 2 H{+}
Ca + LiOH = Ca(OH)2 + Li =>
Ca + 2 LiOH = Ca(OH)2 + 2 Li
Ca + HCl = Ca{2+} + H{-} + Cl{-} =>
Ca + HCl = Ca{2+} + H{-} + Cl{-}
Cr2O7 + HCl = Cr + H2O + Cl2 =>
Cr2O7 + 14 HCl = 2 Cr + 7 H2O + 7 Cl2
C8H10O2 + C4H8O2 = C16H22O4 + H2O =>
C8H10O2 + 2 C4H8O2 = C16H22O4 + 2 H2O
Fe + Cu2O = Fe2O3 + Cu =>
2 Fe + 3 Cu2O = Fe2O3 + 6 Cu
V + HCl = VCl3 + H2 =>
2 V + 6 HCl = 2 VCl3 + 3 H2
[Ag(NH3)2]NO3 + Zn = Ag + Zn(NO3)2 + NH3 =>
2[Ag(NH3)2]NO3 + Zn = 2 Ag + Zn(NO3)2 + 4 NH3
BiCl3 + SnCl2 = Bi + SnCl4 =>
2 BiCl3 + 3 SnCl2 = 2 Bi + 3 SnCl4
U + NaNO3 + NaOH = Na2U2O7 + NaNO2 + H2O =>
2 U + 6 NaNO3 + 2 NaOH = Na2U2O7 + 6 NaNO2 + H2O
NaCO3(aq) + CaCl2(aq) = NaCl2(aq) + CaCO3(s) =>
NaCO3(aq) + CaCl2(aq) = NaCl2(aq) + CaCO3(s)
NaClO3 + Zn + NaOH = Na2ZnO2 + NaCl + H2O =>
NaClO3 + 3 Zn + 6 NaOH = 3 Na2ZnO2 + NaCl + 3 H2O
CuSO4 + Zn + HCl = Cu + ZnCl2 + H2SO4 =>
CuSO4 + Zn + 2 HCl = Cu + ZnCl2 + H2SO4
NH3(aq) + H2O + CoCl2(aq) = ClNH4 + Co(OH)2 =>
2 NH3(aq) + 2 H2O + CoCl2(aq) = 2 ClNH4 + Co(OH)2
Cl2O3 + HCl = Cl3O4 + H3 =>
12 Cl2O3 + 3 HCl = 9 Cl3O4 + H3
Mg3N2 + HCl = MgCl2 + NH4Cl =>
Mg3N2 + 8 HCl = 3 MgCl2 + 2 NH4Cl
Rb + Cl2 = RbCl =>
2 Rb + Cl2 = 2 RbCl
Ni + H3PO4 = NiPO4 + H2 =>
2 Ni + 2 H3PO4 = 2 NiPO4 + 3 H2
HNO3 + I2 = HIO3 + NO2 + H2O =>
10 HNO3 + I2 = 2 HIO3 + 10 NO2 + 4 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
Mg(s) + O2 = MgO2 =>
Mg(s) + O2 = MgO2
B + Mg = BMg =>
B + Mg = BMg
FeS2 + HBr = FeBr2 + HS =>
FeS2 + 2 HBr = FeBr2 + 2 HS
N2O4 + CO = NO + CO2 =>
N2O4 + 2 CO = 2 NO + 2 CO2
C4H10 = C + H2 =>
C4H10 = 4 C + 5 H2
B + Mg = BMg =>
B + Mg = BMg
CuF2 = Cu2 + F =>
2 CuF2 = Cu2 + 4 F
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MgCl = Mg + Cl2 =>
2 MgCl = 2 Mg + Cl2
ZnSO4 = ZnO + SO3 =>
ZnSO4 = ZnO + SO3
K2S2O8 + Mg = MgO + MgS + K2O =>
K2S2O8 + 9 Mg = 7 MgO + 2 MgS + K2O
K2S + Pb(NO3)2 = PbS + KNO3 =>
K2S + Pb(NO3)2 = PbS + 2 KNO3
(NH4)2SO4(aq) + AgClO4(aq) = Ag2SO4(s) + NH4ClO4(aq) =>
(NH4)2SO4(aq) + 2 AgClO4(aq) = Ag2SO4(s) + 2 NH4ClO4(aq)
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
Br + KF = KBr + F =>
Br + KF = KBr + F
Al(s) + Cl2(g) = AlCl3(s) =>
2 Al(s) + 3 Cl2(g) = 2 AlCl3(s)
Ba + HCl = BaHCl =>
Ba + HCl = BaHCl
HCl + C7H8 = C7H7Cl + H3 =>
3 HCl + 3 C7H8 = 3 C7H7Cl + 2 H3
Fe(NO3)3 + C7H8NO6Na3 = C7H8NO6Fe + NaNO3 =>
Fe(NO3)3 + C7H8NO6Na3 = C7H8NO6Fe + 3 NaNO3
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
CuCl + Br2 = BrCl + Cu =>
2 CuCl + Br2 = 2 BrCl + 2 Cu
N4 + O2 = N2O3 =>
N4 + 3 O2 = 2 N2O3
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Fe2 + O3 + HCl = FeCl3 + H2O =>
Fe2 + O3 + 6 HCl = 2 FeCl3 + 3 H2O
Ca(OH)2 + Na2SO4 = NaOH + CaSO4 =>
Ca(OH)2 + Na2SO4 = 2 NaOH + CaSO4
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