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Sn + Fe + 2 HCl = SnCl2 + FeH2
Ag2S3 + H2O = Ag(OH)3 + H2S =>
Ag2S3 + 6 H2O = 2 Ag(OH)3 + 3 H2S
AgClO3(aq) + Na2S(aq) = Ag2S(s) + NaClO3(aq) =>
2 AgClO3(aq) + Na2S(aq) = Ag2S(s) + 2 NaClO3(aq)
HCl + Mg2(CO3)2 = MgCl2 + H2CO3 =>
4 HCl + Mg2(CO3)2 = 2 MgCl2 + 2 H2CO3
FeSO4 + O2 + H2SO4 = Fe2(SO4)3 + H2O =>
4 FeSO4 + O2 + 2 H2SO4 = 2 Fe2(SO4)3 + 2 H2O
BeCl2 + KOH = KCl + K2[Be(OH)4] =>
BeCl2 + 4 KOH = 2 KCl + K2[Be(OH)4]
KNO3(aq) + LiCl(aq) = KCl + LiNO3 =>
KNO3(aq) + LiCl(aq) = KCl + LiNO3
C6H5CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + KOH + C6H5C(O)CH3 + H2O =>
3 C6H5CH(OH)CH3 + K2Cr2O7 + 3 H2SO4 = Cr2(SO4)3 + 2 KOH + 3 C6H5C(O)CH3 + 5 H2O
BaCl2 + Pb(CH3CO2)2 = Ba(CH3CO2)2 + PbCl2 =>
BaCl2 + Pb(CH3CO2)2 = Ba(CH3CO2)2 + PbCl2
CuO + Ag = Cu + AgO =>
CuO + Ag = Cu + AgO
Li2O + H2O = Li2 + H2O2 =>
Li2O + H2O = Li2 + H2O2
Na + Cu2O = Na2O + Cu =>
2 Na + Cu2O = Na2O + 2 Cu
Zn(OH)2 = ZnO + H2O = =>
Zn(OH)2 = ZnO + H2O
FeS2 + H2O + O = FeSO4 + H2SO4 =>
FeS2 + H2O + 7 O = FeSO4 + H2SO4
FeSO4 + K2S = FeS + K2(SO4) =>
FeSO4 + K2S = FeS + K2(SO4)
Mg(CH3COO)2 + H2O = CH3COOH + Mg(OH)2 =>
Mg(CH3COO)2 + 2 H2O = 2 CH3COOH + Mg(OH)2
Ca(OH)2 + Li2(SO4) = Ca(SO4) + Li(OH) =>
Ca(OH)2 + Li2(SO4) = Ca(SO4) + 2 Li(OH)
Al + NaOH + HOH = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 HOH = 2 NaAlO2 + 3 H2
O2N + H2O + O2 = O3NH =>
4 O2N + 2 H2O + O2 = 4 O3NH
Ag2SO4 + H2SO4 = Ag(SO4)2 + H2 =>
Ag2SO4 + 3 H2SO4 = 2 Ag(SO4)2 + 3 H2
CuSO4 + NH3 = Cu(NH3)4SO4 =>
CuSO4 + 4 NH3 = Cu(NH3)4SO4
CuH10O9S = CuSO4 + H2O =>
CuH10O9S = CuSO4 + 5 H2O
H2S + SiH4 = SiSH6 =>
H2S + SiH4 = SiSH6
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
KNO3 + S + C = K2S + CO2 + N2 =>
2 KNO3 + S + 3 C = K2S + 3 CO2 + N2
MnO4 + I = MnO2 + IO2 =>
MnO4 + I = MnO2 + IO2
Fe3N2 = Fe + N =>
Fe3N2 = 3 Fe + 2 N
Zn(s)Pb(NO3)2(aq) = Pb(s)Zn(NO3)2(aq) =>
Zn(s)Pb(NO3)2(aq) = Pb(s)Zn(NO3)2(aq)
CH3CHCH2CH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
10 CH3CHCH2CH3 + 18 KMnO4 + 27 H2SO4 = 20 CH3COOH + 32 H2O + 18 MnSO4 + 9 K2SO4
(C)2(H)5O(H) + (O)2 = C(O)2 + (H)2O =>
(C)2(H)5O(H) + 3(O)2 = 2 C(O)2 + 3(H)2O
HNO3 + CuO = Cu(NO3)2 + H2O =>
2 HNO3 + CuO = Cu(NO3)2 + H2O
(NH2)2CO + O2 = CO2 + N2 + H2O =>
2(NH2)2CO + 3 O2 = 2 CO2 + 2 N2 + 4 H2O
HCl + NaBr + Ca(ClO)2 = Br2 + CaCl2 + NaCl + H2O =>
4 HCl + 4 NaBr + Ca(ClO)2 = 2 Br2 + CaCl2 + 4 NaCl + 2 H2O
Li2O + H2O = Li2 + H2O2 =>
Li2O + H2O = Li2 + H2O2
KMnO4 + NH4HSO3 + H2SO4 = MnSO4 + (NH4)2SO4 + K2SO4 + H2O =>
4 KMnO4 + 10 NH4HSO3 + H2SO4 = 4 MnSO4 + 5(NH4)2SO4 + 2 K2SO4 + 6 H2O
Li[Cr(OH)4] + LiOH + H2O2 = Li2CrO4 + H2O =>
2 Li[Cr(OH)4] + 2 LiOH + 3 H2O2 = 2 Li2CrO4 + 8 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K2CrO4 + SO2 + H2O = K2SO4 + Cr2(SO4)3 + H2 =>
2 K2CrO4 + 5 SO2 + 2 H2O = 2 K2SO4 + Cr2(SO4)3 + 2 H2
HClO3 + HBr = HCl + Br2 + H2O =>
HClO3 + 6 HBr = HCl + 3 Br2 + 3 H2O
Al + C2 = Al4C3 =>
8 Al + 3 C2 = 2 Al4C3
Ca(OH)2 + CuCl2 = Cu(OH)2 + CaCl2 =>
Ca(OH)2 + CuCl2 = Cu(OH)2 + CaCl2
KOCl + H2O = KOH + HOCl =>
KOCl + H2O = KOH + HOCl
BaSO4 = BaO + SO3 =>
BaSO4 = BaO + SO3
H2S + NO3 = S + NO + H2O =>
2 H2S + NO3 = 2 S + NO + 2 H2O
Cr2(SO4)3 + O2 + NaOH = Na2CrO4 + Na2SO4 + H2O =>
2 Cr2(SO4)3 + 3 O2 + 20 NaOH = 4 Na2CrO4 + 6 Na2SO4 + 10 H2O
C2 + H2 + O2 = CH3OH =>
C2 + 4 H2 + O2 = 2 CH3OH
K + Ca(NO3)2 = KNO3 + Ca =>
2 K + Ca(NO3)2 = 2 KNO3 + Ca
Al + HCl2 = AlCl3 + H2 =>
4 Al + 6 HCl2 = 4 AlCl3 + 3 H2
C2H6O + O = CO2 + H2O =>
C2H6O + 6 O = 2 CO2 + 3 H2O
Al + NaO = AlO + Na =>
Al + NaO = AlO + Na
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