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Fe2O3 + 3 CO = 2 Fe + 3 CO2
H2 + Na(OH) = H(OH) + Na =>
H2 + 2 Na(OH) = 2 H(OH) + 2 Na
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCl + Ca(CHO3)2 = H2O + CO2 + CaCl2 =>
2 HCl + Ca(CHO3)2 = 2 H2O + 2 CO2 + CaCl2
KOH + H2O = H3O{+} + KO{-} =>
KOH + H2O = H3O{+} + KO{-}
HgS + HNO3 + HCl = S + HgCl2 + NO2 + H2O =>
HgS + 2 HNO3 + 2 HCl = S + HgCl2 + 2 NO2 + 2 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HF + Fe(OH)3 = FeF3 + H2O =>
3 HF + Fe(OH)3 = FeF3 + 3 H2O
I2 + AlP = AlI3 + P6 =>
9 I2 + 6 AlP = 6 AlI3 + P6
Na2O + P2O5 = Na3PO4 =>
3 Na2O + P2O5 = 2 Na3PO4
Cl2O7 + KOH = KClO4 + H2O =>
Cl2O7 + 2 KOH = 2 KClO4 + H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
S + HF = SF + H2 =>
2 S + 2 HF = 2 SF + H2
CuI2(aq) + Ba(OH)2(aq) = Cu(OH)2(s) + BaI2(aq) =>
CuI2(aq) + Ba(OH)2(aq) = Cu(OH)2(s) + BaI2(aq)
BaCrO4 + HNO3 = Ba(NO3)2 + CrO4 + H2 =>
BaCrO4 + 2 HNO3 = Ba(NO3)2 + CrO4 + H2
MgF2 + H2 = Mg + HF =>
MgF2 + H2 = Mg + 2 HF
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3 =>
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3
S2O3{2-} + H2O = SO4{2-} + H{+} + {-} =>
S2O3{2-} + 5 H2O = 2 SO4{2-} + 10 H{+} + 8e
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Li2S + Mg(C2H3O2)2 = Li(C2H3O2) + MgS =>
Li2S + Mg(C2H3O2)2 = 2 Li(C2H3O2) + MgS
C12H22O11 + H2O = C2H5OH + CO2 =>
C12H22O11 + H2O = 4 C2H5OH + 4 CO2
ZnC4H6O4 + NaOH = Zn(OH)2 + C2H3NaO2 =>
ZnC4H6O4 + 2 NaOH = Zn(OH)2 + 2 C2H3NaO2
KMnO4 + HNO2 + HNO3 = KNO3Mn(NO3)2 + H2O =>
2 KMnO4 + 5 HNO2 + HNO3 = 2 KNO3Mn(NO3)2 + 3 H2O
chlorine + sodiumiodide = sodiumchloride + iodine =>
Cl2 + 2 NaI = 2 NaCl + I2
(NH4)2S + Ti(NO3)2 = NH4NO3 + TiS =>
(NH4)2S + Ti(NO3)2 = 2 NH4NO3 + TiS
NH4H2PO4 + O2 = P2O5 + NO2 + H2O =>
4 NH4H2PO4 + 7 O2 = 2 P2O5 + 4 NO2 + 12 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
HClO4 + Li = LiClO4 + H =>
HClO4 + Li = LiClO4 + H
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
HClO3H2O2 = HClO4H2O =>
HClO3H2O2 = HClO4H2O
H2O + C4 = CO + H2 =>
4 H2O + C4 = 4 CO + 4 H2
HSO4(aq) + LiOH(aq) = H2O(l) + LiSO4(aq) =>
HSO4(aq) + LiOH(aq) = H2O(l) + LiSO4(aq)
Al(OH)3 + HCN = Al(CN)3 + H2O =>
Al(OH)3 + 3 HCN = Al(CN)3 + 3 H2O
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
NH4Cl(aq) + Ca(OH)2(aq) = NH3(g) + CaCl2(s) + H2O(aq) =>
2 NH4Cl(aq) + Ca(OH)2(aq) = 2 NH3(g) + CaCl2(s) + 2 H2O(aq)
Ba(CH3COO)2 + MgSO4 = BaSO4 + Mg(CH3COO)2 =>
Ba(CH3COO)2 + MgSO4 = BaSO4 + Mg(CH3COO)2
S2 + C2 = S2C =>
2 S2 + C2 = 2 S2C
(CH3)3OH + KMnO4 + H2SO4 = K2SO4 + Mn(OH)2 + C3H6O + H2O =>
5(CH3)3OH + 4 KMnO4 + 2 H2SO4 = 2 K2SO4 + 4 Mn(OH)2 + 5 C3H6O + 8 H2O
Fe2SO4 + KMnO4 + H2SO4 = Fe2(SO4)2 + MnSO4 + K2SO4 + H2O =>
5 Fe2SO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)2 + 2 MnSO4 + K2SO4 + 8 H2O
C6H5CH3 + Br2 = C6H3Br2CH3 + HBr =>
C6H5CH3 + 2 Br2 = C6H3Br2CH3 + 2 HBr
CH3CH2CHO + [Ag(NH3)2]OH = CH3CH2COONH4 + Ag + NH3 + H2O =>
CH3CH2CHO + 2[Ag(NH3)2]OH = CH3CH2COONH4 + 2 Ag + 3 NH3 + H2O
C2H4O3 + NaHCO3 = CO2 + NaH2 + H2O =>
C2H4O3 + 2 NaHCO3 = 4 CO2 + 2 NaH2 + H2O
Mn(s) + Cl2(g) = MnCl2(s) =>
Mn(s) + Cl2(g) = MnCl2(s)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
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