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2 Fe(OH)3 + 3 CaCO3 = 3 Ca(OH)2 + Fe2O3 + 3 CO2
ZnO + SnI4 = ZnI2 + SnO2 =>
2 ZnO + SnI4 = 2 ZnI2 + SnO2
Cu + Co2 = Cu2Co3 =>
4 Cu + 3 Co2 = 2 Cu2Co3
C7H6ClON + C3Cl3N3 = C7H4ClN + HCl + C3H3N3O3 =>
3 C7H6ClON + C3Cl3N3 = 3 C7H4ClN + 3 HCl + C3H3N3O3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
H2O + FeSO4 = H2SO4 + O2 + Fe =>
2 H2O + 2 FeSO4 = 2 H2SO4 + O2 + 2 Fe
Pb(ii) + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb(ii) + Cu(NO3)2 = Pb(NO3)2 + Cu
Ca3(PO4)2 + Sn = CaSn + PO4 =>
Ca3(PO4)2 + 3 Sn = 3 CaSn + 2 PO4
NaHS + Cu(NO3)2 = NaNO3 + Cu(HS)2 =>
2 NaHS + Cu(NO3)2 = 2 NaNO3 + Cu(HS)2
CrCl2 + H2SO4 = SO2 + Cr2(SO4)3 + HCl + H2O =>
2 CrCl2 + 4 H2SO4 = SO2 + Cr2(SO4)3 + 4 HCl + 2 H2O
NO + KClO + KOH = KNO3 + KCl + H2O =>
2 NO + 3 KClO + 2 KOH = 2 KNO3 + 3 KCl + H2O
B2H6 + H2O = H3BO3(s) + H2 =>
B2H6 + 6 H2O = 2 H3BO3(s) + 6 H2
KMnO4(aq) + KCl(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + H2O(aq) + Cl2(g) =>
2 KMnO4(aq) + 10 KCl(aq) + 8 H2SO4(aq) = 2 MnSO4(aq) + 6 K2SO4(aq) + 8 H2O(aq) + 5 Cl2(g)
Pb(OH)4 + Cu20 = PbO2 + CuOH2 =>
10 Pb(OH)4 + Cu20 = 10 PbO2 + 20 CuOH2
FeS2 + CuS2 + HNO3 = Fe(SO4)3 + CuSO4 + NO + H2O =>
3 FeS2 + 3 CuS2 + 32 HNO3 = 3 Fe(SO4)3 + 3 CuSO4 + 32 NO + 16 H2O
MgO + Al4C3 = Al2O3 + CMg2 =>
6 MgO + Al4C3 = 2 Al2O3 + 3 CMg2
Mg + AlBr3 = Al + MgBr2 =>
3 Mg + 2 AlBr3 = 2 Al + 3 MgBr2
H2O + MnO4{-} + e = MnO2 + OH({-}) =>
2 H2O + MnO4{-} + 3e = MnO2 + 4 OH({-})
A1 + O2 = (A1)2O3 =>
4 A1 + 3 O2 = 2(A1)2O3
KI + CaCl2 = CaI2 + KCl =>
2 KI + CaCl2 = CaI2 + 2 KCl
F2 + CuCl = CuF2 + Cl2 =>
2 F2 + 2 CuCl = 2 CuF2 + Cl2
CH3CH2CH2Br + NaOCH3 = CH3CH2CH2OCH3 + NaBr =>
CH3CH2CH2Br + NaOCH3 = CH3CH2CH2OCH3 + NaBr
Pb + NO3{-} + H{+} = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 NO3{-} + 4 H{+} = Pb(NO3)2 + 2 NO2 + 2 H2O
I{-} + OCl{-} + H{+} = I3{-} + Cl{-} + H2O =>
3 I{-} + OCl{-} + 2 H{+} = I3{-} + Cl{-} + H2O
NaHCO3 = Na2CO3 + CO2*H2O =>
2 NaHCO3 = Na2CO3 + CO2*H2O
KCl + H3BO3 = K2B4O7 + H2O + HCl =>
2 KCl + 4 H3BO3 = K2B4O7 + 5 H2O + 2 HCl
BaSO4 + C = BaO + SO2 + CO2 =>
2 BaSO4 + C = 2 BaO + 2 SO2 + CO2
NaClO3 + FeCl3 + NaOH = Na2FeO4 + NaCl + H2O =>
NaClO3 + 2 FeCl3 + 10 NaOH = 2 Na2FeO4 + 7 NaCl + 5 H2O
HNO3 + C6H8O7 = NC2O2H5 + H2O + CO2 =>
9 HNO3 + 7 C6H8O7 = 9 NC2O2H5 + 10 H2O + 24 CO2
Pd(NH3)2Cl2 + NH4OH = Pd(NH3)4Cl2 + H2O =>
Pd(NH3)2Cl2 + 2 NH4OH = Pd(NH3)4Cl2 + 2 H2O
CuNO2 + Mg = CuMg + NO2 =>
CuNO2 + Mg = CuMg + NO2
K3PO4 + NaOH = PO4Na + K3OH =>
K3PO4 + NaOH = PO4Na + K3OH
HOOC(CH2)4COOH + NaOH = HOOC(CH2)4COONa + H2O =>
HOOC(CH2)4COOH + NaOH = HOOC(CH2)4COONa + H2O
HClO4 + HI + K2Cr2O7 = I2 + KClO4 + H2O + Cr(ClO4)3 =>
8 HClO4 + 6 HI + K2Cr2O7 = 3 I2 + 2 KClO4 + 7 H2O + 2 Cr(ClO4)3
Sn(NO3)3 + Mg(OH)2 = Sn(OH)3 + Mg(NO3)2 =>
2 Sn(NO3)3 + 3 Mg(OH)2 = 2 Sn(OH)3 + 3 Mg(NO3)2
HCl + CuCl = HCuCl2 =>
HCl + CuCl = HCuCl2
C9H15O5N + O2 = CO2 + H2O + N2 =>
4 C9H15O5N + 41 O2 = 36 CO2 + 30 H2O + 2 N2
Mn(OH)2 + O2 + H2O = Mn(OH)3{+} + OH{-} =>
2 Mn(OH)2 + O2 + 2 H2O = 2 Mn(OH)3{+} + 2 OH{-}
AgNO3 + H3PO2 + H2O = Ag + H3PO3 + HNO3 =>
2 AgNO3 + H3PO2 + H2O = 2 Ag + H3PO3 + 2 HNO3
FeCl2 + NH4OH = FeO2H2 + NH4Cl =>
FeCl2 + 2 NH4OH = FeO2H2 + 2 NH4Cl
CuS + Fe{3+} + H2O = Cu{2+} + Fe{2+} + SO4{2-} + H{+} =>
CuS + 8 Fe{3+} + 4 H2O = Cu{2+} + 8 Fe{2+} + SO4{2-} + 8 H{+}
HCl + Mg(OH)2 = H3O2 + MgCl =>
HCl + Mg(OH)2 = H3O2 + MgCl
H2O2 + C12H22O11 = CO2 + H2O =>
24 H2O2 + C12H22O11 = 12 CO2 + 35 H2O
H3N3C3O3 + NO2 = N2 + CO2 + H2O =>
8 H3N3C3O3 + 18 NO2 = 21 N2 + 24 CO2 + 12 H2O
Zn(OH)2 + HCl = ZnCl + O2H3 =>
Zn(OH)2 + HCl = ZnCl + O2H3
Li + Zn(SO4) = Zn + Li2SO4 =>
2 Li + Zn(SO4) = Zn + Li2SO4
K2O + H4P2O7 = K4(P2O7) + H2O =>
2 K2O + H4P2O7 = K4(P2O7) + 2 H2O
K2MnO4 + FeS + H2SO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
9 K2MnO4 + 4 FeS + 20 H2SO4 = 9 K2SO4 + 9 MnSO4 + 2 Fe2(SO4)3 + 20 H2O
C3H7OH + KMnO4 = C2H5COH + HMnO4 + K =>
C3H7OH + 2 KMnO4 = C2H5COH + 2 HMnO4 + 2 K
NaHCO3 + BaCO3 = Na2CO3 + Ba(HCO3)2 =>
2 NaHCO3 + BaCO3 = Na2CO3 + Ba(HCO3)2
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