| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
CU2S + O2 = CU2 + SO2 =>
CU2S + O2 = CU2 + SO2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
AuCO3 = Au + CO2 + O2 =>
2 AuCO3 = 2 Au + 2 CO2 + O2
Pb(NO3)4(aq) + Na3PO4(aq) = Pb3(PO4)4(l) + NaNO3(aq) =>
3 Pb(NO3)4(aq) + 4 Na3PO4(aq) = Pb3(PO4)4(l) + 12 NaNO3(aq)
C6H5NO3 + H2O = C6H5NO3H2O =>
C6H5NO3 + H2O = C6H5NO3H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
H3PO4 + H2CO3 = H3PO5 + C + H2O =>
2 H3PO4 + H2CO3 = 2 H3PO5 + C + H2O
Al(SO4) + H2O = Al(OH) + H(SO4) =>
Al(SO4) + H2O = Al(OH) + H(SO4)
CO2 + LiOH = Li(CO3) + H2 =>
2 CO2 + 2 LiOH = 2 Li(CO3) + H2
Pb(NO4)2 = PbO + NO2 + O =>
Pb(NO4)2 = PbO + 2 NO2 + 3 O
S2O3{2-} + MnO4{-} + H{+} = SO4{2-} + Mn{2+} + H2O =>
5 S2O3{2-} + 8 MnO4{-} + 14 H{+} = 10 SO4{2-} + 8 Mn{2+} + 7 H2O
Ln + HCl = LnCl2 + H2 =>
Ln + 2 HCl = LnCl2 + H2
SnS + HNO3 = NO + S + Sn(NO3)2 + H2O =>
3 SnS + 8 HNO3 = 2 NO + 3 S + 3 Sn(NO3)2 + 4 H2O
NH4HS = H2S + NH3 =>
NH4HS = H2S + NH3
MgO + Al = Mg3Al2O3 =>
3 MgO + 2 Al = Mg3Al2O3
Na2[Sn(OH)4] + AgNO3 + NaOH = Na2[Sn(OH)6] + Ag + NaNO3 =>
Na2[Sn(OH)4] + 2 AgNO3 + 2 NaOH = Na2[Sn(OH)6] + 2 Ag + 2 NaNO3
FeOHSO4 = FeOH + SO4 =>
FeOHSO4 = FeOH + SO4
H3O{+} + V2O5 + Cl{-} = Cl2 + H2O + V{3+} =>
10 H3O{+} + V2O5 + 4 Cl{-} = 2 Cl2 + 15 H2O + 2 V{3+}
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Na2SO4 + HNO3 = Na2NO3 + HSO4 =>
Na2SO4 + HNO3 = Na2NO3 + HSO4
K4(Fe(SCN)6) + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO =>
6 K4(Fe(SCN)6) + 73 K2Cr2O7 + 259 H2SO4 = 3 Fe2(SO4)3 + 73 Cr2(SO4)3 + 36 CO2 + 259 H2O + 67 K2SO4 + 36 KNO
Ca(OH)2 + H2SO3 = Ca(HSO3)2 + H2O =>
Ca(OH)2 + 2 H2SO3 = Ca(HSO3)2 + 2 H2O
F2 + Br2 = BrF5 =>
5 F2 + Br2 = 2 BrF5
Zn(HCO3)2 = ZnO + H2O + CO2 =>
Zn(HCO3)2 = ZnO + H2O + 2 CO2
Na2CrO4 + NaI + H2SO4 = I2 + Cr2SO4 + Na2SO4 + H2O =>
2 Na2CrO4 + 10 NaI + 8 H2SO4 = 5 I2 + Cr2SO4 + 7 Na2SO4 + 8 H2O
(NH4)3PO4 + Ca(NO2)2 = Ca3(PO4)2 + NH4NO2 =>
2(NH4)3PO4 + 3 Ca(NO2)2 = Ca3(PO4)2 + 6 NH4NO2
Na2CrO4 + Na2S + H2O = NaCrO2 + NaOH + Na2SO4 =>
8 Na2CrO4 + 3 Na2S + 4 H2O = 8 NaCrO2 + 8 NaOH + 3 Na2SO4
As2S3 + O2 + H2O = H2AsO3{-} + SO4{2-} + H{+} =>
As2S3 + 6 O2 + 6 H2O = 2 H2AsO3{-} + 3 SO4{2-} + 8 H{+}
CuSO4{-2} + K3PO4{-3} = CuPO4{-3} + K3SO4{-2} =>
CuSO4{-2} + K3PO4{-3} = CuPO4{-3} + K3SO4{-2}
RuCl3 + C6H11NH2 + Cl2CHCOOH = Ru2(C2O4)3(C6H11N(CH3)2)2 + C2H4Cl2 + Cl2 =>
2 RuCl3 + 2 C6H11NH2 + 6 Cl2CHCOOH = Ru2(C2O4)3(C6H11N(CH3)2)2 + C2H4Cl2 + 8 Cl2
Bi + OH = Bi(OH) =>
Bi + OH = Bi(OH)
Ag(NO3) + Cr(CH3COO)3 = Ag(CH3COO) + Cr(NO3)3 =>
3 Ag(NO3) + Cr(CH3COO)3 = 3 Ag(CH3COO) + Cr(NO3)3
NH3 + Cl2 = N12Cl8 + H18 =>
12 NH3 + 4 Cl2 = N12Cl8 + 2 H18
Ba(OH)2 = BaO + H2 + O2 =>
2 Ba(OH)2 = 2 BaO + 2 H2 + O2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Na3C6H5O7 + (CH3COO)2Ca = Ca3(C6H5O7)2 + CH3COONa =>
2 Na3C6H5O7 + 3(CH3COO)2Ca = Ca3(C6H5O7)2 + 6 CH3COONa
(CH3)HSO4 = (CH3)SO4{-} + H{+} =>
(CH3)HSO4 = (CH3)SO4{-} + H{+}
CuCl2(aq) + AgF(aq) = CuF2 + AgCl =>
CuCl2(aq) + 2 AgF(aq) = CuF2 + 2 AgCl
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
CH5CH2CH3 + Cl2 = CH5CH2CH2Cl + HCl =>
CH5CH2CH3 + Cl2 = CH5CH2CH2Cl + HCl
H2S + NaBr = Na2S + HBr =>
H2S + 2 NaBr = Na2S + 2 HBr
Fe(NO3)3 + Na2CrO4 + NaOH = FeCrO4 + Na2OH + Na(NO3)3 =>
Fe(NO3)3 + Na2CrO4 + NaOH = FeCrO4 + Na2OH + Na(NO3)3
NH4OH + Zn(NO3)2 = NH4(NO3) + Zn(OH)2 =>
2 NH4OH + Zn(NO3)2 = 2 NH4(NO3) + Zn(OH)2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ca3N2 + NaCl = CaCl2 + Na3N =>
Ca3N2 + 6 NaCl = 3 CaCl2 + 2 Na3N
HCOH + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
5 HCOH + 4 KMnO4 + 6 H2SO4 = 5 CO2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
MgSO4 + KCrO4 = MgCrO4 + KSO4 =>
MgSO4 + KCrO4 = MgCrO4 + KSO4
AgSO4Na = NaSO4Ag =>
AgSO4Na = NaSO4Ag
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
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