| Équations équilibrées la veille |
2 NH3 + ZnI2 = Zn(NH3)2 + I2
K2Cr2O7 + HI + HClO4 = KClO4 + Cr(ClO4)3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 KClO4 + 2 Cr(ClO4)3 + 3 I2 + 7 H2O
KNO3 = KNO2 + O2 = Q =>
2 KNO3 = 2 KNO2 + O2
CuS + HNO3 = CuSO + NO + H2O =>
3 CuS + 2 HNO3 = 3 CuSO + 2 NO + H2O
H3PO4(aq) + NaOH(aq) = H2O + Na3PO4 =>
H3PO4(aq) + 3 NaOH(aq) = 3 H2O + Na3PO4
C6H6 + H2O2 = CO2 + H2O =>
C6H6 + 15 H2O2 = 6 CO2 + 18 H2O
Zn + K2Cr2O7 + HNO3 = Zn(NO3)2 + Cr(NO3)3 + KNO3 + H2O =>
3 Zn + K2Cr2O7 + 14 HNO3 = 3 Zn(NO3)2 + 2 Cr(NO3)3 + 2 KNO3 + 7 H2O
Fe(CN)2 + K = KCN + Fe =>
Fe(CN)2 + 2 K = 2 KCN + Fe
KMnO4 + C5H8O2 = Mn(C5H8O2)3 + CO2 + H2O + KOH =>
24 KMnO4 + 79 C5H8O2 = 24 Mn(C5H8O2)3 + 35 CO2 + 16 H2O + 24 KOH
Na3[Cr(OH)6] + HCl = NaCl + H2O + Cr(OH)3 =>
Na3[Cr(OH)6] + 3 HCl = 3 NaCl + 3 H2O + Cr(OH)3
K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + O =>
2 K2FeO4 + 5 H2SO4 = Fe2(SO4)3 + 2 K2SO4 + 5 H2O + 3 O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Pb(NO3)2 + Na2SO4 = Pb(SO4) + NaNO3 =>
Pb(NO3)2 + Na2SO4 = Pb(SO4) + 2 NaNO3
IrBr(aq) + FrOH(aq) = FrBr + IrOH =>
IrBr(aq) + FrOH(aq) = FrBr + IrOH
C6H5CCl3 + KOH = C6H5COOH + KCl + H2O =>
C6H5CCl3 + 3 KOH = C6H5COOH + 3 KCl + H2O
CaCl2 + KI = CaI2 + KCl =>
CaCl2 + 2 KI = CaI2 + 2 KCl
MnO4{-} + AsO3{3-} + H2O = Mn{+2} + AsO4{3-} + OH{-} =>
2 MnO4{-} + 5 AsO3{3-} + 3 H2O = 2 Mn{+2} + 5 AsO4{3-} + 6 OH{-}
Pb(NO3)2 + (NH4)3(PO4) = Pb3(PO4)2 + (NH4)(NO3) =>
3 Pb(NO3)2 + 2(NH4)3(PO4) = Pb3(PO4)2 + 6(NH4)(NO3)
CH3COONa + H3PO4 = CH3COOH + Na3PO4 =>
3 CH3COONa + H3PO4 = 3 CH3COOH + Na3PO4
CuO + Ag2S = CuS + Ag2O =>
CuO + Ag2S = CuS + Ag2O
K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + O =>
2 K2FeO4 + 5 H2SO4 = Fe2(SO4)3 + 2 K2SO4 + 5 H2O + 3 O
BaSO3 + Pb(NO3)2 = PbSO3 + Ba(NO3)2 =>
BaSO3 + Pb(NO3)2 = PbSO3 + Ba(NO3)2
Zn3N2 + Ca = Ca3N2 + Zn =>
Zn3N2 + 3 Ca = Ca3N2 + 3 Zn
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
CaO(s) + P4O10(s) = Ca3(PO4)2 =>
6 CaO(s) + P4O10(s) = 2 Ca3(PO4)2
Na2[Pb(OH)6] + HCl = PbCl4 + NaCl + H2O =>
Na2[Pb(OH)6] + 6 HCl = PbCl4 + 2 NaCl + 6 H2O
SO2 + NaCO3 = Na2SO4 + CO2 =>
SO2 + 2 NaCO3 = Na2SO4 + 2 CO2
K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + O =>
2 K2FeO4 + 5 H2SO4 = Fe2(SO4)3 + 2 K2SO4 + 5 H2O + 3 O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2Cr2O7 + HI + HClO4 = KClO4 + Cr(ClO4)3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 KClO4 + 2 Cr(ClO4)3 + 3 I2 + 7 H2O
Pb(NO3)2 + MnO2 = PbO2 + Mn(NO3)2 =>
Pb(NO3)2 + MnO2 = PbO2 + Mn(NO3)2
Zn + H{+} = Zn{2}{+} + H2 =>
Zn + 2 H{+} = Zn{2}{+} + H2
CaO + Cr2O3 = CaCr2O4 =>
CaO + Cr2O3 = CaCr2O4
P2O5 + NaCl = PCl5 + Na2O =>
P2O5 + 10 NaCl = 2 PCl5 + 5 Na2O
As2O3 + VO2{+} + H{+} = As2O5 + VO{2+} + H2O = =>
As2O3 + 4 VO2{+} + 4 H{+} = As2O5 + 4 VO{2+} + 2 H2O
Mg(OH)2 + AgNO3 = Mg(NO3)2 + AgOH =>
Mg(OH)2 + 2 AgNO3 = Mg(NO3)2 + 2 AgOH
K2FeO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O + O =>
2 K2FeO4 + 5 H2SO4 = Fe2(SO4)3 + 2 K2SO4 + 5 H2O + 3 O
FeSO4(aq) + Ca(OH)2(aq) = Fe(OH)2 + CaSO4 =>
FeSO4(aq) + Ca(OH)2(aq) = Fe(OH)2 + CaSO4
C4H10 + O2 = C2H4O2 + H2O =>
2 C4H10 + 5 O2 = 4 C2H4O2 + 2 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Hg(NO3)2 + Ba(OH)2 = Hg(OH)2 + Ba(NO3)2 =>
Hg(NO3)2 + Ba(OH)2 = Hg(OH)2 + Ba(NO3)2
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
SiO2 + HCl = SiCl4 + H2O =>
SiO2 + 4 HCl = SiCl4 + 2 H2O
LiOH + HCN = LiCN + H2O =>
LiOH + HCN = LiCN + H2O
C6H12O6(s) + O2 = CO2 + H2O =>
C6H12O6(s) + 6 O2 = 6 CO2 + 6 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
FeO + S = Fe + SO2 =>
2 FeO + S = 2 Fe + SO2
Pb(OH)2 + CuO = PbO + Cu(OH)2 =>
Pb(OH)2 + CuO = PbO + Cu(OH)2
C6H5O3N + NaOH = C6H4O3NNa + H2O =>
C6H5O3N + NaOH = C6H4O3NNa + H2O
C4H6O4 + O2 = CO2 + H2O =>
2 C4H6O4 + 7 O2 = 8 CO2 + 6 H2O
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