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4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
Fe(NO3)3(aq) + KOH(aq) = Fe(OH)3(s) + KNO3(aq) =>
Fe(NO3)3(aq) + 3 KOH(aq) = Fe(OH)3(s) + 3 KNO3(aq)
NH4OH = NH4 + OH =>
NH4OH = NH4 + OH
CH3CO2 + H2O = CH4CO2 + OH =>
CH3CO2 + H2O = CH4CO2 + OH
C5H5NCO2H = C5H6N + CO2 =>
C5H5NCO2H = C5H6N + CO2
H2O + Mg{2+} = H2O2 + Mg + H{+} =>
2 H2O + Mg{2+} = H2O2 + Mg + 2 H{+}
H(C2H3O2) + Cu + O2 + H2O = Cu(C2H3O2)2*2H2O =>
4 H(C2H3O2) + 2 Cu + O2 + 2 H2O = 2 Cu(C2H3O2)2*2H2O
Cr + O2 + H2O = Cr(OH) =>
4 Cr + O2 + 2 H2O = 4 Cr(OH)
Po + O2 = PoO2 =>
Po + O2 = PoO2
(NH4)2MoO4 + Zn + HCl = Mo2O5 + ZnCl2 + NH4Cl + H2O =>
2(NH4)2MoO4 + Zn + 6 HCl = Mo2O5 + ZnCl2 + 4 NH4Cl + 3 H2O
K2Cr2O7(ac) + H2SO4(ac) + FeSO4(ac) = Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + H2O(l) =>
K2Cr2O7(ac) + 7 H2SO4(ac) + 6 FeSO4(ac) = 3 Fe2(SO4)3(ac) + Cr2(SO4)3(ac) + K2SO4(ac) + 7 H2O(l)
NaH2PO4 = NaPO3 + H2O =>
NaH2PO4 = NaPO3 + H2O
KHSO3 + CaCl2 = Ca(HSO3)2 + KCl =>
2 KHSO3 + CaCl2 = Ca(HSO3)2 + 2 KCl
PbS + HNO3 + HCl = PbCl2 + S + NO + H2O =>
3 PbS + 2 HNO3 + 6 HCl = 3 PbCl2 + 3 S + 2 NO + 4 H2O
H2S + MnCl2 = MnS + HCl =>
H2S + MnCl2 = MnS + 2 HCl
Pb + H2SO4 = PbSO4 + S + H2O =>
3 Pb + 4 H2SO4 = 3 PbSO4 + S + 4 H2O
NaHCO3 + HC1 = NaC1 + H2O + CO3 =>
7 NaHCO3 + 5 HC1 = 7 NaC1 + 6 H2O + 5 CO3
NaOCl + HNO3 = HClO + NaNO3 =>
NaOCl + HNO3 = HClO + NaNO3
SO3{2-} + H2O = SO4{2-} + H{+} + {-} =>
SO3{2-} + H2O = SO4{2-} + 2 H{+} + 2e
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
LiOH + NaHCO3 = Li2CO3 + NaOH + H2O =>
2 LiOH + NaHCO3 = Li2CO3 + NaOH + H2O
Zn + H2SO4 + H2O = ZnSO4*H2O + H2 =>
Zn + H2SO4 + H2O = ZnSO4*H2O + H2
Fe(ClO3)3 + CuCrO4 = Fe2(CrO4)3 + Cu(ClO3)2 =>
2 Fe(ClO3)3 + 3 CuCrO4 = Fe2(CrO4)3 + 3 Cu(ClO3)2
HCI(aq) + NaOH(aq) = NaCI + H2O =>
HCI(aq) + NaOH(aq) = NaCI + H2O
NH3 + HCI = NH4CI =>
NH3 + HCI = NH4CI
Fe2O3 + CH4 = Fe + CO + H2O =>
Fe2O3 + CH4 = 2 Fe + CO + 2 H2O
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
CaC2 + H2O = C2H2 + CaO =>
CaC2 + H2O = C2H2 + CaO
KMnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
8 KMnO4 + 3 K2S2O3 + H2O = 8 MnO2 + 6 K2SO4 + 2 KOH
Li2O = Li + O =>
Li2O = 2 Li + O
H2O4S + NaOH = Na2SO4 + H2O =>
H2O4S + 2 NaOH = Na2SO4 + 2 H2O
NaHS + O2 = S + NaOH =>
2 NaHS + O2 = 2 S + 2 NaOH
C8H9Cl + KMnO4 + H2SO4 = C8H5Cl + K2SO4 + MnSO4 + H2O =>
5 C8H9Cl + 4 KMnO4 + 6 H2SO4 = 5 C8H5Cl + 2 K2SO4 + 4 MnSO4 + 16 H2O
BaSO4 + Pb(NO3)2 = Ba(NO3)2 + PbSO4 =>
BaSO4 + Pb(NO3)2 = Ba(NO3)2 + PbSO4
Ni(No3)2(aq) + Na2SO4(aq) = NiSO4(aq) + NaNo3(aq) =>
Ni(No3)2(aq) + Na2SO4(aq) = NiSO4(aq) + 2 NaNo3(aq)
NH4OH(aq) + H2SO4(aq) = (NH4)2SO4(aq) + H2O =>
2 NH4OH(aq) + H2SO4(aq) = (NH4)2SO4(aq) + 2 H2O
FeCl3 + K3[Fe(Cn)6] = Fe[Fe(Cn)6] + KCl =>
FeCl3 + K3[Fe(Cn)6] = Fe[Fe(Cn)6] + 3 KCl
Zn + KNO3 + H2SO4 = ZnSO4 + KNO2 + H2O =>
Zn + KNO3 + H2SO4 = ZnSO4 + KNO2 + H2O
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(g) =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(g)
MnO2 + KOH = K4MnO4 + H2O =>
MnO2 + 4 KOH = K4MnO4 + 2 H2O
SO3H + H2O = SO3 + H3O =>
SO3H + H2O = SO3 + H3O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
KAl(SO4)2*12H2O + Ba(NO3)2 = BaSO4 + KNO3 + Al(NO3)3 + H2O =>
KAl(SO4)2*12H2O + 2 Ba(NO3)2 = 2 BaSO4 + KNO3 + Al(NO3)3 + 12 H2O
Mg + NO = Mg(NO)2 =>
Mg + 2 NO = Mg(NO)2
CoCl2 + Na2HPO4 = Co3(PO4)2 + NaH2PO4 + NaCl =>
3 CoCl2 + 4 Na2HPO4 = Co3(PO4)2 + 2 NaH2PO4 + 6 NaCl
HgO + H2SO4 = HgSO4 + H2O =>
HgO + H2SO4 = HgSO4 + H2O
MnO2 = Mn3O4 + O2 =>
3 MnO2 = Mn3O4 + O2
KHSO4 + BaCl2 = Ba(HSO4)2 + KCl =>
2 KHSO4 + BaCl2 = Ba(HSO4)2 + 2 KCl
CuSO4*Cu(OH)2 = CuO + H2SO4 =>
CuSO4*Cu(OH)2 = 2 CuO + H2SO4
MnO2 + KClO4 = MnClO4 + O2 + K =>
MnO2 + KClO4 = MnClO4 + O2 + K
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