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2 Fe2O3 + 4 SO4 = 4 FeSO4 + 3 O2
KNO3 + NaF = KF + NaNO3 =>
KNO3 + NaF = KF + NaNO3
CH3NH2 + CH3Cl = CH3NHCH3 + HCl =>
CH3NH2 + CH3Cl = CH3NHCH3 + HCl
VCl4 = Cl2 + V =>
VCl4 = 2 Cl2 + V
K2Te + Fe(HCO3)2 = KHCO3 + FeTe =>
K2Te + Fe(HCO3)2 = 2 KHCO3 + FeTe
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Fe(NO3)2 + K3Fe(CN)6 = KNO3 + Fe3[Fe(CN)6]2 =>
3 Fe(NO3)2 + 2 K3Fe(CN)6 = 6 KNO3 + Fe3[Fe(CN)6]2
CO2(g) + H2O = H2CO3 =>
CO2(g) + H2O = H2CO3
C7H6O3 + H2O = CO2 + H2 =>
C7H6O3 + 11 H2O = 7 CO2 + 14 H2
K2Cr2O7 + NaOH = Na2Cr2O7 + KOH =>
K2Cr2O7 + 2 NaOH = Na2Cr2O7 + 2 KOH
Sr(OH)2 + Al + H2O = SrAl(OH)5 + H2 =>
2 Sr(OH)2 + 2 Al + 6 H2O = 2 SrAl(OH)5 + 3 H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
BH4{-} + H{+} + H2O = H3BO3 + H2(g) =>
BH4{-} + H{+} + 3 H2O = H3BO3 + 4 H2(g)
BaO2 + Cl2 = BaCl2 + O2 =>
BaO2 + Cl2 = BaCl2 + O2
K2NiF6 + H2O = KF + HF + NiF2 + O2 =>
2 K2NiF6 + 2 H2O = 4 KF + 4 HF + 2 NiF2 + O2
Pb + Al2(SO4)3 = Al + Pb2(SO4)3 =>
2 Pb + Al2(SO4)3 = 2 Al + Pb2(SO4)3
Cl2(aq) + Br{-}(aq) = Br2(aq) + Cl{-}(aq) =>
Cl2(aq) + 2 Br{-}(aq) = Br2(aq) + 2 Cl{-}(aq)
C8H10 + KMnO4 = C7H6O2 + MnO2 + KOH + CO2 =>
C8H10 + 4 KMnO4 = C7H6O2 + 4 MnO2 + 4 KOH + CO2
Cu2 + MgSO4 = CuSO4 + Mg2 =>
Cu2 + 2 MgSO4 = 2 CuSO4 + Mg2
C7H5N3O6(s) + O2(g) = N2(g) + H2O(g) + CO2 =>
4 C7H5N3O6(s) + 21 O2(g) = 6 N2(g) + 10 H2O(g) + 28 CO2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
AlCl3 + NH3 = AlN + HCl =>
AlCl3 + NH3 = AlN + 3 HCl
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
C3H3N + O2 = CO2 + H2O + N2 =>
4 C3H3N + 15 O2 = 12 CO2 + 6 H2O + 2 N2
CH3CHOHCH3 + I2 + NaOH = CHI3 + CH3COONa + HI =>
CH3CHOHCH3 + 4 I2 + NaOH = CHI3 + CH3COONa + 5 HI
N2H4O3 + H2O = NH3 + O2 =>
N2H4O3 + H2O = 2 NH3 + 2 O2
NaNO2 + Br2 + NaOH = NaNO3 + HBr + NaBr =>
NaNO2 + Br2 + NaOH = NaNO3 + HBr + NaBr
BF3 + LiH = LiBH4 + LiF =>
BF3 + 4 LiH = LiBH4 + 3 LiF
NaOH + HOAc = NaAc + HOHO =>
NaOH + HOAc = NaAc + HOHO
Na2CrO4 + H2SO4 = Na2SO4 + Na2Cr2O7 + H2O =>
2 Na2CrO4 + H2SO4 = Na2SO4 + Na2Cr2O7 + H2O
C + Cl = CCl4 =>
C + 4 Cl = CCl4
B2H6 = B + H2 =>
B2H6 = 2 B + 3 H2
Al + Cu(SO4)2 = Al(SO4)2 + Cu =>
Al + Cu(SO4)2 = Al(SO4)2 + Cu
HC7H5O2 + KOH = H2O + KC7H5O2 =>
HC7H5O2 + KOH = H2O + KC7H5O2
C2H5ONa + CO2 + H2O = C2H5OH + Na2CO3 =>
2 C2H5ONa + CO2 + H2O = 2 C2H5OH + Na2CO3
PbS2 + O2 = Pb(SO4)2 =>
PbS2 + 4 O2 = Pb(SO4)2
Bi2O3 + C(s) = Bi(s) + CO =>
Bi2O3 + 3 C(s) = 2 Bi(s) + 3 CO
ZnSO3 + Cu = ZnCu + SO3 =>
ZnSO3 + Cu = ZnCu + SO3
(ZnOH)2SO4 + H2O = Zn(OH)2 + H2SO4 =>
(ZnOH)2SO4 + 2 H2O = 2 Zn(OH)2 + H2SO4
AgClO3(aq) + Al2S3(aq) = Ag2S(s) + Al(ClO3)3(aq) =>
6 AgClO3(aq) + Al2S3(aq) = 3 Ag2S(s) + 2 Al(ClO3)3(aq)
CH3OH + CH3OOH = C3H6O2 + H2O =>
CH3OH + 2 CH3OOH = C3H6O2 + 3 H2O
Al(C2H3O2)3 + NH4OH = Al(OH)3 + NH4C2H3O2 =>
Al(C2H3O2)3 + 3 NH4OH = Al(OH)3 + 3 NH4C2H3O2
Sr(NO3) + K(SO4) = Sr(SO4) + K(NO3) =>
Sr(NO3) + K(SO4) = Sr(SO4) + K(NO3)
Na2S + Na2CrO4 + H2O = S + Na[Cr(OH)4(H20)2] + NaOH =>
43 Na2S + 2 Na2CrO4 + 88 H2O = 43 S + 2 Na[Cr(OH)4(H20)2] + 88 NaOH
Al2Cl6 + HNO3 = AlN3O9 + HCl =>
Al2Cl6 + 6 HNO3 = 2 AlN3O9 + 6 HCl
C + BaSO4 = BaS + CO =>
4 C + BaSO4 = BaS + 4 CO
KReO4 + H2SO4 + H2S = Re2S7 + K2SO4 + H2O =>
2 KReO4 + H2SO4 + 7 H2S = Re2S7 + K2SO4 + 8 H2O
K2SO4 + CoCl2 = K2Cl2 + CoSO4 =>
K2SO4 + CoCl2 = K2Cl2 + CoSO4
Zn + KMnO4 + H2SO4 = ZnSO4 + K2SO4 + MnSO4 + H2O =>
5 Zn + 2 KMnO4 + 8 H2SO4 = 5 ZnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
Cr(MnO4)3 + Hg(C2H3O2)2 = Cr(C2H3O2)3 + Hg(MnO4)2 =>
2 Cr(MnO4)3 + 3 Hg(C2H3O2)2 = 2 Cr(C2H3O2)3 + 3 Hg(MnO4)2
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