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Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
K2CrO7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
2 K2CrO7 + 18 KI + 14 H2SO4 = 11 K2SO4 + Cr2(SO4)3 + 9 I2 + 14 H2O
KF + Ba = FBa + K =>
KF + Ba = FBa + K
H{+} + OH{-} = H2O =>
H{+} + OH{-} = H2O
NH2OH + O2 = NO2 + H2O =>
4 NH2OH + 5 O2 = 4 NO2 + 6 H2O
Au + H2SO4 = Au2SO4 + H2 =>
2 Au + H2SO4 = Au2SO4 + H2
K2CrO7 + HCl = KCl + CrCl + Cl2 + H2O =>
2 K2CrO7 + 28 HCl = 4 KCl + 2 CrCl + 11 Cl2 + 14 H2O
Zr + F = ZrF4 =>
Zr + 4 F = ZrF4
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
NH4ClO3 + MgCO3 = (NH4)2CO3 + Mg(ClO3)2 =>
2 NH4ClO3 + MgCO3 = (NH4)2CO3 + Mg(ClO3)2
K2CrO4Ba(NO3)2 = CrO4(NO3)2K2Ba =>
K2CrO4Ba(NO3)2 = CrO4(NO3)2K2Ba
Fe(NO3)3(aq) + K2CrO4(aq) = Fe2(CrO4)3(s) + KNO3(aq) =>
2 Fe(NO3)3(aq) + 3 K2CrO4(aq) = Fe2(CrO4)3(s) + 6 KNO3(aq)
H = H2 =>
2 H = H2
Cu(NO3)2(aq) + K2CO3 = CuCO3 + KNO3 =>
Cu(NO3)2(aq) + K2CO3 = CuCO3 + 2 KNO3
Cl(C6H5)2P + CH3MgBr = CH3(C6H5)2P + MgBrCl =>
Cl(C6H5)2P + CH3MgBr = CH3(C6H5)2P + MgBrCl
BiCl + NaOH = BiOH + NaCl =>
BiCl + NaOH = BiOH + NaCl
CuO + S = Cu + SO2 =>
2 CuO + S = 2 Cu + SO2
HCl(aq) + Na2CO3(aq) = CO2(g) + H2O(g) + NaCl(aq) =>
2 HCl(aq) + Na2CO3(aq) = CO2(g) + H2O(g) + 2 NaCl(aq)
NaOH + Cl2 = H2O + NaCl + NaClO =>
2 NaOH + Cl2 = H2O + NaCl + NaClO
H3AsO4 + Al(OH)3 = H2O + AlAsO4 =>
H3AsO4 + Al(OH)3 = 3 H2O + AlAsO4
H2O + Zn + HNO3 = Zn(NO3)2 + H3O =>
2 H2O + Zn + 2 HNO3 = Zn(NO3)2 + 2 H3O
NaN3(s) = N2(g) + Na3N(s) =>
3 NaN3(s) = 4 N2(g) + Na3N(s)
HI + Al = H2 + Al2I =>
2 HI + 4 Al = H2 + 2 Al2I
C2H2 + CuCl = Cu2C2 + HCl =>
C2H2 + 2 CuCl = Cu2C2 + 2 HCl
C21H32O2 + O2 = CO2 + H2O =>
C21H32O2 + 28 O2 = 21 CO2 + 16 H2O
Mg(OH)2 + Ni = NiOH + Mg =>
Mg(OH)2 + 2 Ni = 2 NiOH + Mg
Cr2(TeO4)3 + NaIO3 + NaOH = Na2CrO4 + NaI + Na2TeO4 + H2O =>
Cr2(TeO4)3 + NaIO3 + 10 NaOH = 2 Na2CrO4 + NaI + 3 Na2TeO4 + 5 H2O
Cl2 + AgF = ClF + Ag =>
Cl2 + 2 AgF = 2 ClF + 2 Ag
V2(CO3)3 + HCl = VCl3 + H2CO3 =>
V2(CO3)3 + 6 HCl = 2 VCl3 + 3 H2CO3
BaS + AgC2H3O2 = Ba(C2H3O2)2 + Ag2S =>
BaS + 2 AgC2H3O2 = Ba(C2H3O2)2 + Ag2S
PbSO4 + CH3COONH4 = Pb(CH3COO)2 + (NH4)2SO4 =>
PbSO4 + 2 CH3COONH4 = Pb(CH3COO)2 + (NH4)2SO4
Mg(NO3)2 + FeCl3 = Fe(NO3)2 + MgCl3 =>
Mg(NO3)2 + FeCl3 = Fe(NO3)2 + MgCl3
Mg{2+} + (NO3)2 + Ba{2+} + Cl2{2-} = Mg(Cl2)2 + Ba(NO3)2 =>
Mg{2+} + (NO3)2 + Ba{2+} + 2 Cl2{2-} = Mg(Cl2)2 + Ba(NO3)2
K2CrO4 + H2SO4 + NaOH = H2O + Na2CrO4 + K2SO4 =>
K2CrO4 + H2SO4 + 2 NaOH = 2 H2O + Na2CrO4 + K2SO4
FeBr3 + Cl = FeCl3 + Br2 =>
2 FeBr3 + 6 Cl = 2 FeCl3 + 3 Br2
K[Cr(OH)4] + PbO2 + KOH = K2CrO4 + K2[Pb(OH)4] + H2O =>
2 K[Cr(OH)4] + 3 PbO2 + 8 KOH = 2 K2CrO4 + 3 K2[Pb(OH)4] + 2 H2O
K2CrO4 + Hg2(NO3)2 = Hg2CrO4 + KNO3 =>
K2CrO4 + Hg2(NO3)2 = Hg2CrO4 + 2 KNO3
S + HNO3 = NO2 + H2SO3 + H2O =>
S + 4 HNO3 = 4 NO2 + H2SO3 + H2O
MgHPO4 + NH3 = MgNH4PO4 =>
MgHPO4 + NH3 = MgNH4PO4
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2 =>
Pb(NO3)2 + MgSO4 = PbSO4 + Mg(NO3)2
KNO3 + C + S = CO2 + K2S + N2 =>
2 KNO3 + 3 C + S = 3 CO2 + K2S + N2
Na2C2O4 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + H2O + CO2 + MnSO4 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 8 H2O + 10 CO2 + 2 MnSO4
ArOH + Fe{3+} = (Fe(OAr)6){3-} + H{+} =>
6 ArOH + Fe{3+} = (Fe(OAr)6){3-} + 6 H{+}
Al2(SO4)3*16H2O + Ca(HCO3)2 = Al(OH)3 + CaSO4 + H2O + CO2 =>
Al2(SO4)3*16H2O + 3 Ca(HCO3)2 = 2 Al(OH)3 + 3 CaSO4 + 16 H2O + 6 CO2
Ni(NO3)2 = NiO + N2 + O2 =>
2 Ni(NO3)2 = 2 NiO + 2 N2 + 5 O2
GeCl4 + H2Se = GeSe2 + HCl =>
GeCl4 + 2 H2Se = GeSe2 + 4 HCl
Fe(NO3)3 + BaCO3 + H2O = CO2 + Fe(OH)3 + Ba(NO3)2 =>
2 Fe(NO3)3 + 3 BaCO3 + 3 H2O = 3 CO2 + 2 Fe(OH)3 + 3 Ba(NO3)2
Fe(OH)2(aq) + H3PO4(aq) = Fe3(PO4)2(s) + H2O(l) =>
3 Fe(OH)2(aq) + 2 H3PO4(aq) = Fe3(PO4)2(s) + 6 H2O(l)
CrCl3 = Cr{3+} + Cl{-} =>
CrCl3 = Cr{3+} + 3 Cl{-}
H2O + Ni + HNO3 = Ni(OH)2 + NH3 =>
5 H2O + 4 Ni + HNO3 = 4 Ni(OH)2 + NH3
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