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Fe2(SO4)3 + 3 Zn = Fe2 + 3 ZnSO4
FeCO3 + HNO3 = Fe(NO3)2 + CO2 + H2O =>
FeCO3 + 2 HNO3 = Fe(NO3)2 + CO2 + H2O
HCl + MnO2 = MnCl2 + H2O + Cl2 =>
4 HCl + MnO2 = MnCl2 + 2 H2O + Cl2
NH4 + NO3 = HNO2 + H2O =>
3 NH4 + 7 NO3 = 10 HNO2 + H2O
Mg + Fe2O3 = Fe2Mg + O3 =>
Mg + Fe2O3 = Fe2Mg + O3
MgSO4 + CaCO3 = MgCO3 + CaSO4 =>
MgSO4 + CaCO3 = MgCO3 + CaSO4
Sr(C2H3O2)2(aq) + LiOH(aq) = Sr(OH)2(aq) + LiC2H3O2(aq) =>
Sr(C2H3O2)2(aq) + 2 LiOH(aq) = Sr(OH)2(aq) + 2 LiC2H3O2(aq)
Cr2S3O12 + J2 + KOH = K2CrO4 + KJ + K2SO4 + H2O =>
Cr2S3O12 + 3 J2 + 16 KOH = 2 K2CrO4 + 6 KJ + 3 K2SO4 + 8 H2O
Ca(OH)2CO2 = CaCO3H2O =>
Ca(OH)2CO2 = CaCO3H2O
As2S3 + NO3{-} + H{+} = As3{+} + SO42{-} + NO + H2O =>
9 As2S3 + 749 NO3{-} + 728 H{+} = 6 As3{+} + 27 SO42{-} + 749 NO + 364 H2O
C2H4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
5 C2H4 + 12 KMnO4 + 18 H2SO4 = 12 MnSO4 + 6 K2SO4 + 10 CO2 + 28 H2O
Cu + SO4{2-} + H{+} = SO2 + Cu{2+} + H2O =>
Cu + SO4{2-} + 4 H{+} = SO2 + Cu{2+} + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
FeCl2(aq) + K2S(aq) = FeS + KCl(aq) =>
FeCl2(aq) + K2S(aq) = FeS + 2 KCl(aq)
(NH4)2S2O8 + NaI = (NH4)2I + NaS2O8 =>
(NH4)2S2O8 + NaI = (NH4)2I + NaS2O8
HI(g) + H2O(l) = H3O(aq) + I(aq) =>
HI(g) + H2O(l) = H3O(aq) + I(aq)
NHCOCH3(C6H5) + Br2 = NHCOCH3(C6H5)Br =>
2 NHCOCH3(C6H5) + Br2 = 2 NHCOCH3(C6H5)Br
NaH2PO4 + NaOH + AgNO3 = Ag3PO4 + NaNO3 + H2O =>
NaH2PO4 + 2 NaOH + 3 AgNO3 = Ag3PO4 + 3 NaNO3 + 2 H2O
NH4Cl + N2 = NH3 + Cl2 =>
6 NH4Cl + N2 = 8 NH3 + 3 Cl2
NaF + HClO4 = NaClO4 + HF =>
NaF + HClO4 = NaClO4 + HF
CuBr2 + NaOH = Cu(OH)2 + NaBr =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 NaBr
NaCl + KMnO4 + H2SO4 = Cl + MnSO4 + H2O + K2SO4 + Na2SO4 =>
10 NaCl + 2 KMnO4 + 8 H2SO4 = 10 Cl + 2 MnSO4 + 8 H2O + K2SO4 + 5 Na2SO4
O2(g) + C5H12(g) = CO2(g) + H2O(g) =>
8 O2(g) + C5H12(g) = 5 CO2(g) + 6 H2O(g)
K2O + CuCl2 = CuO + KCl =>
K2O + CuCl2 = CuO + 2 KCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Fe(OH)2 + CaO = Ca(OH)2 + FeO =>
Fe(OH)2 + CaO = Ca(OH)2 + FeO
CH3CH2COOHNH3 = H2OCH3CH2CONH2 =>
CH3CH2COOHNH3 = H2OCH3CH2CONH2
LiOH + SO2 + O2 = Li2SO4 + H2O =>
4 LiOH + 2 SO2 + O2 = 2 Li2SO4 + 2 H2O
Na2C2O4(aq) + CuSO4(aq) = Na2SO4(aq) + CuC2O4(s) =>
Na2C2O4(aq) + CuSO4(aq) = Na2SO4(aq) + CuC2O4(s)
BaO + NO2 = Ba(NO3)2 + NO =>
BaO + 3 NO2 = Ba(NO3)2 + NO
CrCl3 + NaBiO3 + HCl = BiCl3 + Na2Cr2O7 + H2O + NaCl =>
2 CrCl3 + 3 NaBiO3 + 4 HCl = 3 BiCl3 + Na2Cr2O7 + 2 H2O + NaCl
KC1 + O2 = KCO10 =>
KC1 + 5 O2 = KCO10
AlCl3 + NH4F = AlF3 + NH4Cl =>
AlCl3 + 3 NH4F = AlF3 + 3 NH4Cl
Na2OSiO2H2O + Ca(OH)2 = CaH2O4Si + NaOH =>
Na2OSiO2H2O + Ca(OH)2 = CaH2O4Si + 2 NaOH
Fe3O4(s) + CO(g) = FeO(s) + CO2(g) =>
Fe3O4(s) + CO(g) = 3 FeO(s) + CO2(g)
Fe2O3 + NH3 + H2O = [Fe(NH3)3]{3+} + OH{-} =>
Fe2O3 + 6 NH3 + 3 H2O = 2[Fe(NH3)3]{3+} + 6 OH{-}
CuBr2 + AlCl3 = CuCl2 + AlBr3 =>
3 CuBr2 + 2 AlCl3 = 3 CuCl2 + 2 AlBr3
K2C2O4 + HCl = KCl + H2C2O4 =>
K2C2O4 + 2 HCl = 2 KCl + H2C2O4
CuBr2 + AlCl3 = CuCl2 + AlBr3 =>
3 CuBr2 + 2 AlCl3 = 3 CuCl2 + 2 AlBr3
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
Br2 + Na2SO4 = Na3 + BrSO4 =>
3 Br2 + 6 Na2SO4 = 4 Na3 + 6 BrSO4
Al + I = Al(III)I(II) =>
Al + 6 I = Al(III)I(II)
CuS + HCl = CuCl2 + H + S =>
CuS + 2 HCl = CuCl2 + 2 H + S
CrBr3 + H2O2 + NaOH = H2O + NaBr + Na2CrO4 =>
2 CrBr3 + 3 H2O2 + 10 NaOH = 8 H2O + 6 NaBr + 2 Na2CrO4
BaClHSO4 = BaSO4HCl =>
BaClHSO4 = BaSO4HCl
CH3CH2Cl + HOH = CH3CH2OH + HCl =>
CH3CH2Cl + HOH = CH3CH2OH + HCl
KOH + KClO3 = KO2 + KCl + H2O =>
2 KOH + KClO3 = 2 KO2 + KCl + H2O
Sn + O2 = SnO =>
2 Sn + O2 = 2 SnO
CaCO3 + IrO2 = Ca3IrO5 + CO2 =>
3 CaCO3 + IrO2 = Ca3IrO5 + 3 CO2
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