| Équations équilibrées la veille |
Ba + 2 HBr = BaBr2 + 2 H
LiCl + Ca(NO3)2 = CaCl2 + LiNO3 =>
2 LiCl + Ca(NO3)2 = CaCl2 + 2 LiNO3
HClO + NaNO3 = NaClO + HNO3 =>
HClO + NaNO3 = NaClO + HNO3
Ca(NO3)2 + Na3PO4 = NaNO3 + Ca3O8P2 =>
3 Ca(NO3)2 + 2 Na3PO4 = 6 NaNO3 + Ca3O8P2
Zn2O2 + K4Fe(CN)6 = Zn2Fe(CN)6 + K4O2 =>
Zn2O2 + K4Fe(CN)6 = Zn2Fe(CN)6 + K4O2
Na2[Zn(NH3)4] + HCl = NaCl + ZnCl2 + NH4 =>
Na2[Zn(NH3)4] + 4 HCl = 2 NaCl + ZnCl2 + 4 NH4
MgI2 + KMnO4 + H2SO4 = K2SO4 + MgSO4 + MnSO4 + I2 + H2O =>
5 MgI2 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 MgSO4 + 2 MnSO4 + 5 I2 + 8 H2O
C2H6O + KMnO4 = C2H4O + H2O + MnO + K2O =>
5 C2H6O + 2 KMnO4 = 5 C2H4O + 5 H2O + 2 MnO + K2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
TiCl2 = TiCl4 + TiCl =>
3 TiCl2 = TiCl4 + 2 TiCl
C9H9NO3 + H2O = C7H6O2 + C2H5NO2 =>
C9H9NO3 + H2O = C7H6O2 + C2H5NO2
KClO4 + HCl = KCl + HClO4 =>
KClO4 + HCl = KCl + HClO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
PbSeO4 = PbO2 + SeO2 =>
PbSeO4 = PbO2 + SeO2
Fe(OH)2 + CaO = Ca(OH)2 + FeO =>
Fe(OH)2 + CaO = Ca(OH)2 + FeO
Zn + PbN2 = PbZn + N2 =>
Zn + PbN2 = PbZn + N2
Be(OH)2 + HClO3 = Be(ClO3)2 + H2O =>
Be(OH)2 + 2 HClO3 = Be(ClO3)2 + 2 H2O
MnSO4 + O3 + KOH = K2MnO4 + H2O + SO3 =>
3 MnSO4 + 2 O3 + 6 KOH = 3 K2MnO4 + 3 H2O + 3 SO3
C2H5COOK + H2O = C2H5COOH + KOH =>
C2H5COOK + H2O = C2H5COOH + KOH
FeO = O2Fe2 =>
2 FeO = O2Fe2
CH3(CH2)2CH3 + O = CO2 + H2O =>
CH3(CH2)2CH3 + 13 O = 4 CO2 + 5 H2O
SrBr2 + Cl2 = Br + SrCl =>
2 SrBr2 + Cl2 = 4 Br + 2 SrCl
NH4Cl + HCl = NH4H + Cl2 =>
NH4Cl + HCl = NH4H + Cl2
Ca(NO2)2 = CaO + NO2 + NO =>
Ca(NO2)2 = CaO + NO2 + NO
Fe3O4 + CuCl2 + H2S = CuFeS2 + H2O + HCl + O2 =>
2 Fe3O4 + 6 CuCl2 + 12 H2S = 6 CuFeS2 + 6 H2O + 12 HCl + O2
Na2SO4 + PbCl2 = NaPb + Cl2 + SO4 =>
Na2SO4 + 2 PbCl2 = 2 NaPb + 2 Cl2 + SO4
Na2S2O8 + Mg = Na2S + MgO + MgS =>
Na2S2O8 + 9 Mg = Na2S + 8 MgO + MgS
H3P + H2O = H3O + P =>
H3P + 3 H2O = 3 H3O + P
Cu(NO3)2 + CuSO4 = Cu + SN + O2 =>
Cu(NO3)2 + 2 CuSO4 = 3 Cu + 2 SN + 7 O2
Pb + CaCl2 = PbCa + Cl2 =>
Pb + CaCl2 = PbCa + Cl2
C3H3(NO3)4 = CO2 + N2 + H2O + O2 =>
4 C3H3(NO3)4 = 12 CO2 + 8 N2 + 6 H2O + 9 O2
NaCl{-} + H2O = NaO + Cl{-} + H2 =>
NaCl{-} + H2O = NaO + Cl{-} + H2
Fe + HNO3(conc) = Fe(NO3)2 + NO2 + H2O =>
Fe + 4 HNO3(conc) = Fe(NO3)2 + 2 NO2 + 2 H2O
[Cr(C2H8N2)]Cl3 + H2SO4 = [Cr(C2H8N2)]2(SO4)3 + HCl =>
2[Cr(C2H8N2)]Cl3 + 3 H2SO4 = [Cr(C2H8N2)]2(SO4)3 + 6 HCl
FeS2 + O2 = Fe2O0 + SO2 =>
4 FeS2 + 9 O2 = 2 Fe2O0 + 8 SO2
Bi2O3 + ZrO2 + La2O3 + ZrF4 = LaBiZr2O4F6 =>
Bi2O3 + ZrO2 + La2O3 + 3 ZrF4 = 2 LaBiZr2O4F6
CoBr2(s) = Co + Br =>
CoBr2(s) = Co + 2 Br
CH3CH2CH2OCH2CH3 + O2 = CH2OCH2CH2OCH2CH3 + H2O =>
4 CH3CH2CH2OCH2CH3 + 3 O2 = 4 CH2OCH2CH2OCH2CH3 + 2 H2O
B2O3 + NaOH + H2O = [B(OH)4]{-} + Na{+} =>
B2O3 + 2 NaOH + 3 H2O = 2[B(OH)4]{-} + 2 Na{+}
CH4 + Ba(OH)2 = BaH2 + CO2 + H2O =>
CH4 + 2 Ba(OH)2 = 2 BaH2 + CO2 + 2 H2O
Cu2{+} + Fe = Cu + Fe3{+} =>
Cu2{+} + 3 Fe = 2 Cu + Fe3{+}
Cl1{+}(aq) + Ag1{-} = AgCl(s) =>
Cl1{+}(aq) + Ag1{-} = AgCl(s)
H2 + (OH) = H2O =>
H2 + 2(OH) = 2 H2O
Na2SO4 + SrI2 = NaI + SrSO4 =>
Na2SO4 + SrI2 = 2 NaI + SrSO4
(CH3)2CHCH2CHO + O2 = (CH3)2CHCH2CO2H =>
2(CH3)2CHCH2CHO + O2 = 2(CH3)2CHCH2CO2H
F3I7 = F2 + I2 =>
2 F3I7 = 3 F2 + 7 I2
PH3 + KMnO4 = MnO2 + K3PO4 + H3PO4 + H2O =>
9 PH3 + 24 KMnO4 = 24 MnO2 + 8 K3PO4 + H3PO4 + 12 H2O
B + Pb(NO3)2 = B(NO3)3 + Pb =>
2 B + 3 Pb(NO3)2 = 2 B(NO3)3 + 3 Pb
MgCl2 = Mg*Cl2 =>
MgCl2 = Mg*Cl2
P5 + Ca2 = Ca5P2 =>
4 P5 + 25 Ca2 = 10 Ca5P2
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