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Fe(CO3)3 + 3 H2SO4 = Fe(SO4)3 + 3 H2O + 3(CO2)
Fe + Cr{3+} = Fe{2+} + Cr{2+} =>
Fe + 2 Cr{3+} = Fe{2+} + 2 Cr{2+}
MnO4{-} + Fe{2} + H2SO4 = Mn{2} + Fe{3}{+} + H2O + SO4{-2} =>
MnO4{-} + 5 Fe{2} + 4 H2SO4 = Mn{2} + 5 Fe{3}{+} + 4 H2O + 4 SO4{-2}
H2(S) + Zn(CO3) = Zn(S) + CO2 + H2O =>
H2(S) + Zn(CO3) = Zn(S) + CO2 + H2O
Al + O2 = Al2O3 = =>
4 Al + 3 O2 = 2 Al2O3
Br2 + Cl2 + H2O = HBrO3 + HCl =>
Br2 + 5 Cl2 + 6 H2O = 2 HBrO3 + 10 HCl
K + PbCl2 = KCl2 + Pb =>
K + PbCl2 = KCl2 + Pb
HBr + Ca(OH)2 = CaBr2(aq) + H2O =>
2 HBr + Ca(OH)2 = CaBr2(aq) + 2 H2O
SrO + SrCO3 + Fe2O3 = Sr4Fe2O6CO3 =>
3 SrO + SrCO3 + Fe2O3 = Sr4Fe2O6CO3
FeCl2 + NaNO3 + HCl = FeCl3 + Na3Cl + H2O + NO =>
11 FeCl2 + 3 NaNO3 + 12 HCl = 11 FeCl3 + Na3Cl + 6 H2O + 3 NO
C8H10 + KMnO4 + H2SO4 = C8H6O4 + K2SO4 + MnS + H2O =>
13 C8H10 + 12 KMnO4 + 18 H2SO4 = 13 C8H6O4 + 6 K2SO4 + 12 MnS + 44 H2O
H2(g) + O2(g) = H2O(g)0 =>
2 H2(g) + O2(g) = 2 H2O(g)0
KOH + C20H14O4 + H2SO4 = KSO + H2O + HC20 =>
KOH + C20H14O4 + H2SO4 = KSO + 8 H2O + HC20
Cu + CO = CuCO =>
Cu + CO = CuCO
BaO(s) = Ba + O2 =>
2 BaO(s) = 2 Ba + O2
Na2S(aq) + HCl(aq) = NaCl(aq) + H2S(g) =>
Na2S(aq) + 2 HCl(aq) = 2 NaCl(aq) + H2S(g)
PCl3 + SO3 = POCl3 + S =>
3 PCl3 + SO3 = 3 POCl3 + S
ZnS + ClS = ZnCl + S =>
ZnS + ClS = ZnCl + 2 S
C6H5COOH + CH3CH2CH2OH = CH3CH2CH2OCOC6H5 + H2O =>
C6H5COOH + CH3CH2CH2OH = CH3CH2CH2OCOC6H5 + H2O
C7H8 + H2NO3 = C7H8NO2 + H2O =>
C7H8 + H2NO3 = C7H8NO2 + H2O
P + O = P2O3 =>
2 P + 3 O = P2O3
PH3 + O2 = P2O5 + H2O =>
2 PH3 + 4 O2 = P2O5 + 3 H2O
Ca + Mg2Cl = Mg + CaCl2 =>
Ca + 2 Mg2Cl = 4 Mg + CaCl2
P2O3 + K2O2 = K3PO4 + O =>
P2O3 + 3 K2O2 = 2 K3PO4 + O
Cr3 + IO4 = CrO4 + I =>
Cr3 + 3 IO4 = 3 CrO4 + 3 I
NH3 = N + H6 =>
2 NH3 = 2 N + H6
CuClO + OH = OHClO + Cu =>
CuClO + OH = OHClO + Cu
NH3 + O3 = N2O5 + H2O =>
6 NH3 + 8 O3 = 3 N2O5 + 9 H2O
[FeC2O42H20] + K2C2O4H20 + H2O2 = K3Fe(C2O4)33H20 + H2O + KOH =>
2[FeC2O42H20] + 64 K2C2O4H20 + 625 H2O2 = 2 K3Fe(C2O4)33H20 + 1204 H2O + 122 KOH
Na + FeBr3 = Na3FeBr3 =>
3 Na + FeBr3 = Na3FeBr3
K2Cr2O7 + KI + H2O = KOH + I2 + Cr(OH)3 =>
K2Cr2O7 + 6 KI + 7 H2O = 8 KOH + 3 I2 + 2 Cr(OH)3
Sn{2+} + IO4{-} + H{+} = Sn{4+} + I{-} + H2O =>
4 Sn{2+} + IO4{-} + 8 H{+} = 4 Sn{4+} + I{-} + 4 H2O
Pb(NO3)2 + H2O = PbO + H(NO3) =>
Pb(NO3)2 + H2O = PbO + 2 H(NO3)
Ba(HSO4)2 + KMnO4 = BaSO4 + K2SO4 + MnSO4 + H2O + O2 =>
6 Ba(HSO4)2 + 4 KMnO4 = 6 BaSO4 + 2 K2SO4 + 4 MnSO4 + 6 H2O + 5 O2
BaO + HCl = BaCl + OH =>
BaO + HCl = BaCl + OH
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
NaMnO4 + NaOH + NaI = NaIO3 + H2O + Na2MnO4 =>
6 NaMnO4 + 6 NaOH + NaI = NaIO3 + 3 H2O + 6 Na2MnO4
NiClH + SOCl = NiCl + SO + HCl =>
NiClH + SOCl = NiCl + SO + HCl
P + O = P2O3 =>
2 P + 3 O = P2O3
Pb + HCl = H2[PbCl4] + H2 =>
Pb + 4 HCl = H2[PbCl4] + H2
CaCl + Na = NaCl + NaCa =>
CaCl + 2 Na = NaCl + NaCa
C + HF = CF4 + H2 =>
C + 4 HF = CF4 + 2 H2
H + C = H4C8 =>
4 H + 8 C = H4C8
Fe(OH)2 + NH3 + H2O = Fe(OH)3 + NH4 =>
Fe(OH)2 + NH3 + H2O = Fe(OH)3 + NH4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
NH4Br + Cl2 = NH4Cl + Br2 =>
2 NH4Br + Cl2 = 2 NH4Cl + Br2
K + PbCl2 = KCl2 + Pb =>
K + PbCl2 = KCl2 + Pb
Al + H{4+}SO{2+} = Al{3+}SO{4+}{2+} + H{2+} =>
2 Al + 3 H{4+}SO{2+} = 2 Al{3+}SO{4+}{2+} + 3 H{2+}
Pb3O4 + HNO3 = PbN2O6 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 PbN2O6 + PbO2 + 2 H2O
Mg(g) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(g) + 2 HCl(aq) = H2(g) + MgCl2(aq)
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