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3 H2S + 8 HCl + K2Cr2O7 = 2 KCl + 7 H2O + 2 CrCl3 + 3 S
K2CO3 + Al2O3 = K2O + Al2(CO3)3 =>
3 K2CO3 + Al2O3 = 3 K2O + Al2(CO3)3
C6H12 + Cl2 = C6H11Cl + HCl =>
C6H12 + Cl2 = C6H11Cl + HCl
Hg2(NO3)2 + KI = HgI + KNO3 =>
Hg2(NO3)2 + 2 KI = 2 HgI + 2 KNO3
Cu(NO3)2 + NaOH(aq) = Cu(OH)2 + Na(NO3) =>
Cu(NO3)2 + 2 NaOH(aq) = Cu(OH)2 + 2 Na(NO3)
NaSO4 + KOH = NaOH + KSO4 =>
NaSO4 + KOH = NaOH + KSO4
KOH2 + K(SO3)2 = K2(SO3)2 + H2O =>
KOH2 + K(SO3)2 = K2(SO3)2 + H2O
Fe(II) + HCl = Fe(II)Cl + H =>
Fe(II) + HCl = Fe(II)Cl + H
Zn(s) + AgClO4(aq) = Ag(s) + Zn(ClO4)2(aq) =>
Zn(s) + 2 AgClO4(aq) = 2 Ag(s) + Zn(ClO4)2(aq)
Hg2I2 + O2 = Hg2O + I2 =>
2 Hg2I2 + O2 = 2 Hg2O + 2 I2
CrSO4 + K2CrO4 + H2O = Cr(OH)3 + K2SO4 + Cr2(SO4)3 =>
9 CrSO4 + 3 K2CrO4 + 12 H2O = 8 Cr(OH)3 + 3 K2SO4 + 2 Cr2(SO4)3
Ca(OH)2 + (NH4)2C2O4 = CaCO3 + NH4 + H2O =>
2 Ca(OH)2 + (NH4)2C2O4 = 2 CaCO3 + 2 NH4 + 2 H2O
(NH4)2SO4 + Ba(C2H3O2)2 = BaSO4 + NH4C2H3O2 =>
(NH4)2SO4 + Ba(C2H3O2)2 = BaSO4 + 2 NH4C2H3O2
HgS(s) + HNO3(aq) + HCl(aq) = HgCl2(aq) + S(s) + NO(g) + H2O(l) =>
3 HgS(s) + 2 HNO3(aq) + 6 HCl(aq) = 3 HgCl2(aq) + 3 S(s) + 2 NO(g) + 4 H2O(l)
P + Cl2 = P4Cl2 =>
4 P + Cl2 = P4Cl2
HgCl2 + NH3 = Hg(NH2)Cl + NH4Cl =>
HgCl2 + 2 NH3 = Hg(NH2)Cl + NH4Cl
Ba(C2H3O2)2 + Na3PO4 = Ba3(PO4)2 + NaC2H3O2 =>
3 Ba(C2H3O2)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaC2H3O2
HNO2 + H{+} + Cu = NO + H2O + Cu{2+} =>
2 HNO2 + 2 H{+} + Cu = 2 NO + 2 H2O + Cu{2+}
HgO = Hg2 + O2 =>
2 HgO = Hg2 + O2
BaSO4 + HNO3 = BaSO4HNO3 =>
BaSO4 + HNO3 = BaSO4HNO3
C12H4Cl4O2 + H2O = C6H4Cl2O2 =>
C12H4Cl4O2 + 2 H2O = 2 C6H4Cl2O2
H{+} + ClO4{-} + I{-} = Cl{-} + I2 + H2O =>
8 H{+} + ClO4{-} + 8 I{-} = Cl{-} + 4 I2 + 4 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Mg(HSO3)2 + Mg(OH)2 = MgSO3 + H2O =>
Mg(HSO3)2 + Mg(OH)2 = 2 MgSO3 + 2 H2O
Ba(C2H3O2)2 + H2SO4 = BaSO4 + HC2H3O2 =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 HC2H3O2
CaCO3 + HCl = CaCl2(aq) + H2O(l) + CO2(g) =>
CaCO3 + 2 HCl = CaCl2(aq) + H2O(l) + CO2(g)
NH4OH + CH3CO2H = CH3CO2NH4 + H2O =>
NH4OH + CH3CO2H = CH3CO2NH4 + H2O
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
P + Cl2 = P4Cl2 =>
4 P + Cl2 = P4Cl2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H{3+} + BO{3-} = B{3+} + H2O =>
2 H{3+} + BO{3-} = B{3+} + H2O
K2CrO4 = K2O + CrO3 =>
K2CrO4 = K2O + CrO3
Al2(SO4)3 + Ca3(PO4)2 = AlPO4 + CaSO4 =>
Al2(SO4)3 + Ca3(PO4)2 = 2 AlPO4 + 3 CaSO4
C6H8O6 + I2 = C6H6O6 + H{+} + I{-} =>
C6H8O6 + I2 = C6H6O6 + 2 H{+} + 2 I{-}
KMnO4 + HI = KOH + MnO2 + H2O + I2 =>
2 KMnO4 + 6 HI = 2 KOH + 2 MnO2 + 2 H2O + 3 I2
Al2O3HNO3 = HO3Al2NO3 =>
Al2O3HNO3 = HO3Al2NO3
K + P = KP =>
K + P = KP
CH3NH2 + CH3Cl = CH3NHCH3 + HCl =>
CH3NH2 + CH3Cl = CH3NHCH3 + HCl
Na3[Co(NO2)6] + KCl = K3[Co(NO2)6] + NaCl =>
Na3[Co(NO2)6] + 3 KCl = K3[Co(NO2)6] + 3 NaCl
Fe(OH)2 = Fe + OH =>
Fe(OH)2 = Fe + 2 OH
NH3 + H2SO4 = H2O + HNSO2 =>
NH3 + H2SO4 = 2 H2O + HNSO2
K(ClO3) = KCl + O =>
K(ClO3) = KCl + 3 O
NaOHCO2 = NaHCO3 =>
NaOHCO2 = NaHCO3
L3 = L2 =>
2 L3 = 3 L2
Fe(OH)2 = Fe3O4 + H2O + H2 =>
3 Fe(OH)2 = Fe3O4 + 2 H2O + H2
K2CrO4 + K2SO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 3 K2SO3 + 5 H2SO4 = Cr2(SO4)3 + 5 K2SO4 + 5 H2O
Cl2(aq) + Br{-}(aq) = Cl{-}(aq) + Br2(l) =>
Cl2(aq) + 2 Br{-}(aq) = 2 Cl{-}(aq) + Br2(l)
OH{-} + SO2 = SO3{2-} + H2O =>
2 OH{-} + SO2 = SO3{2-} + H2O
K2O + Na2O + SiO2 = SiO4 + NaK =>
K2O + Na2O + SiO2 = SiO4 + 2 NaK
H2SO4 + MgO = H2O + MgSO4 =>
H2SO4 + MgO = H2O + MgSO4
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