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2 Bi(NO3)3 + 3 Na2S + 6 HCl = Bi2S3 + 6 NaCl + 6 HNO3
Fe0875S + CO2 = Fe3O4 + CO + SO2 =>
3 Fe0875S + 3506 CO2 = 875 Fe3O4 + 3506 CO + 3 SO2
CH3OH + CrO7{2-} + H{+} = CO2 + Cr{3+} + H2O =>
3 CH3OH + 2 CrO7{2-} + 10 H{+} = 3 CO2 + 2 Cr{3+} + 11 H2O
[Cu(NH3)4] + CH3COOH = Cu(CH3COO)2 + NH3 + H30 =>
15[Cu(NH3)4] + 30 CH3COOH = 15 Cu(CH3COO)2 + 60 NH3 + H30
HNO3 + Al2O3 = Al(NO3)3 + H2O =>
6 HNO3 + Al2O3 = 2 Al(NO3)3 + 3 H2O
H2SO4 + CuCO3 = CO2 + H2O + CuSO4 =>
H2SO4 + CuCO3 = CO2 + H2O + CuSO4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Zn + K2CrO4 + KOH = K2ZnO2 + KCrO2 + H2O =>
3 Zn + 2 K2CrO4 + 4 KOH = 3 K2ZnO2 + 2 KCrO2 + 2 H2O
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
Nb + Sb2O3 = Sb + NbO2 =>
3 Nb + 2 Sb2O3 = 4 Sb + 3 NbO2
Sr(NO3)2 + NaOH = Sr(OH)2 + NaNO3 =>
Sr(NO3)2 + 2 NaOH = Sr(OH)2 + 2 NaNO3
HNO3C3H8O = C3H7ONO2H2O =>
HNO3C3H8O = C3H7ONO2H2O
CaF2 + ZnSO4 = ZnF2 + CaSO4 =>
CaF2 + ZnSO4 = ZnF2 + CaSO4
In(NO3)3 + NH4OH = In(OH)3 + NH4NO3 =>
In(NO3)3 + 3 NH4OH = In(OH)3 + 3 NH4NO3
Cd + HNO3 = Cd(NO3)2 + H2O + N2O =>
4 Cd + 10 HNO3 = 4 Cd(NO3)2 + 5 H2O + N2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
AgBr + CaSO4 = Ag2SO4 + CaBr2 =>
2 AgBr + CaSO4 = Ag2SO4 + CaBr2
CH3NO2 = CO + H2O + H2 + N2 =>
2 CH3NO2 = 2 CO + 2 H2O + H2 + N2
CH3CH2CH2OHHBr = CH3CH2CH2BrH2O =>
CH3CH2CH2OHHBr = CH3CH2CH2BrH2O
Ca3(PO4)2 + Si(CO3)2 = Ca(CO3) + Si3(PO4)4 =>
2 Ca3(PO4)2 + 3 Si(CO3)2 = 6 Ca(CO3) + Si3(PO4)4
Na2CrO4 + HCl = CrCl3 + Cl2 + H2O + NaCl =>
2 Na2CrO4 + 16 HCl = 2 CrCl3 + 3 Cl2 + 8 H2O + 4 NaCl
Ge + K3[Fe(CN)6] + KOH = K4[Fe(CN)6] + K2[Ge(OH)6] =>
Ge + 4 K3[Fe(CN)6] + 6 KOH = 4 K4[Fe(CN)6] + K2[Ge(OH)6]
HCl + ZnS = ZnCl2 + H + S =>
2 HCl + ZnS = ZnCl2 + 2 H + S
ClO3{-} + Zn + OH{-} = ZnO2{-2} + H2O + Cl{-} =>
ClO3{-} + 3 Zn + 6 OH{-} = 3 ZnO2{-2} + 3 H2O + Cl{-}
NaHCO3 + FeSO4 = Fe(HCO3)2 + Na2SO4 =>
2 NaHCO3 + FeSO4 = Fe(HCO3)2 + Na2SO4
Mn7 + Fe4(As2O7)3 = Mn4(As2O7)7 + Fe =>
12 Mn7 + 49 Fe4(As2O7)3 = 21 Mn4(As2O7)7 + 196 Fe
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
MgO + FeS + C = MgS + Fe + CO =>
MgO + FeS + C = MgS + Fe + CO
(NH4)2MoO4 + TeCl4 + N2 + NaBH4 = BN + H2O + MoTe2 + NH4Cl + NaCl =>
(NH4)2MoO4 + 2 TeCl4 + 3 N2 + 4 NaBH4 = 4 BN + 4 H2O + MoTe2 + 4 NH4Cl + 4 NaCl
S + H3PO4 = S3PO4 + H2 =>
6 S + 2 H3PO4 = 2 S3PO4 + 3 H2
K2Cr2O7 + Cl2 + NaOH = KCrO2 + NaClO3 + H2O =>
5 K2Cr2O7 + 3 Cl2 + 6 NaOH = 10 KCrO2 + 6 NaClO3 + 3 H2O
V + Cl = VCl3 =>
V + 3 Cl = VCl3
CrO3 + KOH = K2CrO4 + H2O =>
CrO3 + 2 KOH = K2CrO4 + H2O
C + O2 = CO =>
2 C + O2 = 2 CO
MgSO3 + H2O = MgO + H2SO3 =>
MgSO3 + H2O = MgO + H2SO3
K2S + ZnCl2 = K2Zn + SCl2 =>
K2S + ZnCl2 = K2Zn + SCl2
BaCO3 + H2SO4 = BaSO4 + H2CO3 =>
BaCO3 + H2SO4 = BaSO4 + H2CO3
CH3CONH2H2SO4H2O = CH3COOHNH5SO4 =>
CH3CONH2H2SO4H2O = CH3COOHNH5SO4
SO2 + BaCO3 = BaSO3 + CO2 =>
SO2 + BaCO3 = BaSO3 + CO2
C18H34O2 + I2 = C18H34O2I2 =>
C18H34O2 + I2 = C18H34O2I2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Bariumchloride + Sulfuricacid = Bariumsulfate + Hydrochloricacid =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
ZnCl2(aq) + Hg2(NO3)2(aq) = HgCl(s) + Zn(NO3)2(aq) =>
ZnCl2(aq) + Hg2(NO3)2(aq) = 2 HgCl(s) + Zn(NO3)2(aq)
P2 = P4 =>
2 P2 = P4
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
Cd3(PO4)2(s) + (NH4)2S(aq) = CdS(s) + (NH4)3PO4(aq) =>
Cd3(PO4)2(s) + 3(NH4)2S(aq) = 3 CdS(s) + 2(NH4)3PO4(aq)
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
K(Al(OH)4)(aq) + H2SO4(aq) = Al(OH)3(s) + H2O(l) + K2SO4(aq) =>
2 K(Al(OH)4)(aq) + H2SO4(aq) = 2 Al(OH)3(s) + 2 H2O(l) + K2SO4(aq)
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