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2 Cu + 4 HCl = 2 CuHCl2 + H2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Sc2O3(s) + HCl(aq) = ScCl3(aq) + H2O(l) =>
Sc2O3(s) + 6 HCl(aq) = 2 ScCl3(aq) + 3 H2O(l)
KBr + Pb(NO3)2 = KNO3 + PbBr2 =>
2 KBr + Pb(NO3)2 = 2 KNO3 + PbBr2
CuMg = Cu + Mg =>
CuMg = Cu + Mg
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(l) =>
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(l)
K4[Fe(CN)6] + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4[Fe(CN)6] + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
HBr + NH4 = BrNH2 + H2 =>
2 HBr + 2 NH4 = 2 BrNH2 + 3 H2
Mg + Cr{+3} = Mg{+2} + Cr{+2} =>
Mg + 2 Cr{+3} = Mg{+2} + 2 Cr{+2}
Al + H2O2 = AlO + H2O =>
Al + H2O2 = AlO + H2O
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
Al + H2O2 = AlO2 + H2 =>
Al + H2O2 = AlO2 + H2
AlCl3 + Na2SO3 = Al2(SO3)3 + NaCl =>
2 AlCl3 + 3 Na2SO3 = Al2(SO3)3 + 6 NaCl
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
N3 + F2 = NF3 =>
2 N3 + 9 F2 = 6 NF3
Al + H2O2 = Al(OH)3 =>
2 Al + 3 H2O2 = 2 Al(OH)3
K2Cr2O7 + NO + HCl = CrCl3 + KCl + HNO3 + H2O =>
K2Cr2O7 + 2 NO + 8 HCl = 2 CrCl3 + 2 KCl + 2 HNO3 + 3 H2O
Hg2NO3 + NaHCO3 = NaNO3 + Hg2HCO3 =>
Hg2NO3 + NaHCO3 = NaNO3 + Hg2HCO3
CaO(s) = Ca + O2(g) =>
2 CaO(s) = 2 Ca + O2(g)
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(i) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(i)
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Al + H2O2 = Al2O3 + H2O =>
2 Al + 3 H2O2 = Al2O3 + 3 H2O
H2SO3 + As(OH)5 = As2(SO3)5 + H2O =>
5 H2SO3 + 2 As(OH)5 = As2(SO3)5 + 10 H2O
Cr(OH)2 + H2O + O2 = Cr(OH)3 =>
4 Cr(OH)2 + 2 H2O + O2 = 4 Cr(OH)3
CoCl2*6H2O + NaOH + CH3COOH = Co3O4 + NaCl + H2O + (CH3)3COH =>
12 CoCl2*6H2O + 24 NaOH + 2 CH3COOH = 4 Co3O4 + 24 NaCl + 83 H2O + (CH3)3COH
Calciumhydroxide + Ammoniumchloride = calciumchloride + water + Ammonia =>
Ca(OH)2 + 2 NH4Cl = CaCl2 + 2 H2O + 2 NH3
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
HAl + NaOH = NaAl + H2O =>
HAl + NaOH = NaAl + H2O
Fe2S8 + O2 = Fe2O2 + SO2 =>
Fe2S8 + 9 O2 = Fe2O2 + 8 SO2
Al + H2O2 = AlO + H2 =>
2 Al + H2O2 = 2 AlO + H2
Fe(NO3)2 = FeO + N2O3 + O2 =>
Fe(NO3)2 = FeO + N2O3 + O2
Zn(OH)2 + H3O = H2O + Zn =>
Zn(OH)2 + 2 H3O = 4 H2O + Zn
KNO3 + S = SO2 + K2O + NO =>
4 KNO3 + 3 S = 3 SO2 + 2 K2O + 4 NO
HClO3 + Zn = HCl + ZnO3 =>
HClO3 + Zn = HCl + ZnO3
Cu(NO3) + NaI = CuI + Na(NO3) =>
Cu(NO3) + NaI = CuI + Na(NO3)
Cr2O3 + O2 + Na2CO3 = Na2CrO4 + CO2 =>
2 Cr2O3 + 3 O2 + 4 Na2CO3 = 4 Na2CrO4 + 4 CO2
Al2O3 + Ba(OH)2 + H2O = Ba3[Al(OH)6]2 =>
Al2O3 + 3 Ba(OH)2 + 3 H2O = Ba3[Al(OH)6]2
S + KNO3 = SO2 + N2 + K2SO4 =>
2 S + 2 KNO3 = SO2 + N2 + K2SO4
Ca(OH)2 + HBr = Ca2Br + H2O + OH =>
2 Ca(OH)2 + HBr = Ca2Br + H2O + 3 OH
Al2O3 + Ba(OH)2 + H2O = Ba[Al(OH)4]2 =>
Al2O3 + Ba(OH)2 + 3 H2O = Ba[Al(OH)4]2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na + FeCl2 = Fe + NaCl =>
2 Na + FeCl2 = Fe + 2 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PbO + NaOH = Pb(OH)2 + Na2O =>
PbO + 2 NaOH = Pb(OH)2 + Na2O
Na2CO3(s) + HCl = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl = CO2(g) + H2O(l) + 2 NaCl(aq)
CH3COONa + CH3NH3Cl = CH3COOCH3NH3 + NaCl =>
CH3COONa + CH3NH3Cl = CH3COOCH3NH3 + NaCl
CH3COOH + LiAlH4 + H2O = CH3CH2OH + LiOH + Al(OH)3 =>
2 CH3COOH + LiAlH4 + 2 H2O = 2 CH3CH2OH + LiOH + Al(OH)3
Al2O3 + Ba(OH)2 + H2O = Ba(Al(OH)4)2 =>
Al2O3 + Ba(OH)2 + 3 H2O = Ba(Al(OH)4)2
CaCO3(s) + HCl(ac) = CO2(g) + H2O(l) + CaCl2(ac) =>
CaCO3(s) + 2 HCl(ac) = CO2(g) + H2O(l) + CaCl2(ac)
PBO + NaOH = Na2PBO2 + H2O =>
PBO + 2 NaOH = Na2PBO2 + H2O
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