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K2Cr2O7 + 3 NaNO2 + 8 HCl = 2 KCl + 2 CrCl3 + 3 NaNO3 + 4 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(aq) + H2O(l) + NH3(aq) =>
2 NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 H2O(l) + 2 NH3(aq)
hydrogen + carbonmonoxide = carbon + water =>
H2 + CO = C + H2O
CH4 + NaOH = CH3Na + H2O =>
CH4 + NaOH = CH3Na + H2O
HCIO3 + P + H2O = H3PO4 + HCI =>
5 HCIO3 + 6 P + 9 H2O = 6 H3PO4 + 5 HCI
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2 =>
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2
As2O3 + HOCI + H2O = H3AsO4 + HCI =>
As2O3 + 2 HOCI + 3 H2O = 2 H3AsO4 + 2 HCI
CaHPO4 = PO4 + CaH =>
CaHPO4 = PO4 + CaH
K(NO3)(aq) + Na2CO3(aq) = Na(NO3)(aq) + K2CO3(s) =>
2 K(NO3)(aq) + Na2CO3(aq) = 2 Na(NO3)(aq) + K2CO3(s)
Zn(OH)2 + LiOH = Zn[Li(OH)3] =>
Zn(OH)2 + LiOH = Zn[Li(OH)3]
Na2CrO4 + CH3COOH = Na2Cr2O7 + CH3COONa + H2O =>
2 Na2CrO4 + 2 CH3COOH = Na2Cr2O7 + 2 CH3COONa + H2O
NH4Fe(SO4)2*12H2O + NaOH = Na2SO4 + NH3 + H2O + Fe2(SO4)3 =>
2 NH4Fe(SO4)2*12H2O + 2 NaOH = Na2SO4 + 2 NH3 + 26 H2O + Fe2(SO4)3
C6H8 + O2 = CO2 + H2O =>
C6H8 + 8 O2 = 6 CO2 + 4 H2O
MgCl + H2O2 = MgO + HCl =>
2 MgCl + H2O2 = 2 MgO + 2 HCl
AlCl3 + Mg = MgCl2 + Al =>
2 AlCl3 + 3 Mg = 3 MgCl2 + 2 Al
Na2S + Pb(NO2)4 = PbS2 + NaNO2 =>
2 Na2S + Pb(NO2)4 = PbS2 + 4 NaNO2
H2SiO3 + Ba(OH)2 = BaSiO3 + H2O =>
H2SiO3 + Ba(OH)2 = BaSiO3 + 2 H2O
SO2 + KOH = H2O + K2SO3 =>
SO2 + 2 KOH = H2O + K2SO3
HCl + K2SO4 = KCl + H2 + SO4 =>
2 HCl + K2SO4 = 2 KCl + H2 + SO4
Fe + Cu2(SO4)3 = Cu + FeSO4 =>
3 Fe + Cu2(SO4)3 = 2 Cu + 3 FeSO4
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2 =>
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2
NaHSO3 + NaHS = H2S + Na2SO4 =>
4 NaHSO3 + 2 NaHS = 3 H2S + 3 Na2SO4
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2 =>
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2
Al + HCOOH = Al(COOH)3 + H2 =>
2 Al + 6 HCOOH = 2 Al(COOH)3 + 3 H2
Cu2(aq) + OH(aq) = Cu(OH)2 =>
Cu2(aq) + 4 OH(aq) = 2 Cu(OH)2
BrO3{-} + SO2 + H2O = Br2 + SO3{-} + H{+} =>
2 BrO3{-} + 10 SO2 + 4 H2O = Br2 + 10 SO3{-} + 8 H{+}
Cu + CaCl2 = CuCl + Ca =>
2 Cu + CaCl2 = 2 CuCl + Ca
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
S + N2 = NS =>
2 S + N2 = 2 NS
I + KOH = KIO3 + KI + H2O =>
6 I + 6 KOH = KIO3 + 5 KI + 3 H2O
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2 =>
CaCI2 + Ba(OH)2 = Ca(OH)2 + BaCI2
CaSiO3 = CaO + SiO2 =>
CaSiO3 = CaO + SiO2
(C17H35COO)2Ca + HCl = C17H35COOH + CaCl2 =>
(C17H35COO)2Ca + 2 HCl = 2 C17H35COOH + CaCl2
Na2SO3 + KMnO4 + KHSO4 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 6 KHSO4 = 5 Na2SO4 + 2 MnSO4 + 4 K2SO4 + 3 H2O
Fe(CO) + Ca(SO) = Fe(SO) + Ca(CO) =>
Fe(CO) + Ca(SO) = Fe(SO) + Ca(CO)
H2O2 + KNO2 + H2SO4 = NO2 + K2SO4 + H2O =>
H2O2 + 2 KNO2 + H2SO4 = 2 NO2 + K2SO4 + 2 H2O
K + H2SO3 = K2SO3 + H2 =>
2 K + H2SO3 = K2SO3 + H2
CoCl2(aq) + NH4OH = Co(OH)2 + NH4Cl =>
CoCl2(aq) + 2 NH4OH = Co(OH)2 + 2 NH4Cl
Cu(OH)2 + NH3 = Cu(NH3)4{2+} + OH{-} =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4{2+} + 2 OH{-}
N2O4 + N2H2 = N + H2O =>
N2O4 + 4 N2H2 = 10 N + 4 H2O
Cr + NaOH + H2O2 = NaCrO4 + H2O =>
2 Cr + 2 NaOH + 7 H2O2 = 2 NaCrO4 + 8 H2O
Ag + H2S + O2 = Ag2S3 + H2O =>
4 Ag + 6 H2S + 3 O2 = 2 Ag2S3 + 6 H2O
Fe + H2CrO4 = FeCrO4 + H2 =>
Fe + H2CrO4 = FeCrO4 + H2
Zn + Cu(OH)2 = Zn(OH)4 + Cu =>
Zn + 2 Cu(OH)2 = Zn(OH)4 + 2 Cu
CaOCl2 + KI + H2SO4 = I2 + CaCl2 + H2O + K2SO4 =>
CaOCl2 + 2 KI + H2SO4 = I2 + CaCl2 + H2O + K2SO4
K + H2SO3 = K2SO3 + H2 =>
2 K + H2SO3 = K2SO3 + H2
Ni(NO3)2*6H2O = NiO + NO2 + O2 + H2O =>
2 Ni(NO3)2*6H2O = 2 NiO + 4 NO2 + O2 + 12 H2O
CuCO3 = CO2 + CuO = Ca(OH)2 = CaCO3 + H2O =>
CuCO3 = CO2 + CuO
NO2 + Cu = CuO + N2 =>
2 NO2 + 4 Cu = 4 CuO + N2
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