| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu(OH)2 + SO2 = CuSO4 + H2
K2FeO4 + HCl = KCl + FeCl3 + Cl2 + H2O =>
2 K2FeO4 + 16 HCl = 4 KCl + 2 FeCl3 + 3 Cl2 + 8 H2O
NaOH + CaCO3 = Ca(OH)2 + Na2CO3 =>
2 NaOH + CaCO3 = Ca(OH)2 + Na2CO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
Al + Fe(C2H3O2)2 = Al(C2H3O2)2 + Fe =>
Al + Fe(C2H3O2)2 = Al(C2H3O2)2 + Fe
B + F = BF3 =>
B + 3 F = BF3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C3H7NO3 + C2H2N4O9 = CO2 + H2O + N2 =>
8 C3H7NO3 + 13 C2H2N4O9 = 50 CO2 + 41 H2O + 30 N2
C6H5COOH + NaHCO3 = C6H5COONa + CO2 + H2O =>
C6H5COOH + NaHCO3 = C6H5COONa + CO2 + H2O
NaAl7Si11O30(OH)6 + H{+} + H2O = Al2Si2O5(OH)4 + Na{+} + SiO2 =>
2 NaAl7Si11O30(OH)6 + 2 H{+} + 7 H2O = 7 Al2Si2O5(OH)4 + 2 Na{+} + 8 SiO2
Na2[Cr(OH)4] + HNO3 = NaNO3 + Cr(NO3)2 + H2O =>
Na2[Cr(OH)4] + 4 HNO3 = 2 NaNO3 + Cr(NO3)2 + 4 H2O
C + Fe2O3 + LiH2PO4 = C6H12O6 + LiFePO4 + H5O4 =>
6 C + 18 Fe2O3 + 36 LiH2PO4 = C6H12O6 + 36 LiFePO4 + 12 H5O4
Ca(s) + (NO3)(aq) = Ca(NO3)2(s) =>
Ca(s) + 2(NO3)(aq) = Ca(NO3)2(s)
CUSO4 + KCN = CU(CN)2 + K2SO4 =>
CUSO4 + 2 KCN = CU(CN)2 + K2SO4
Zn + Ag(NO3) = Zn(NO3)2 + Ag =>
Zn + 2 Ag(NO3) = Zn(NO3)2 + 2 Ag
C60H5COOH + O2 = CO2 + H2O =>
2 C60H5COOH + 123 O2 = 122 CO2 + 6 H2O
HBrO4(aq) + Fe(OH)2(s) = Fe(BrO4)2(aq) + H2O(l) =>
2 HBrO4(aq) + Fe(OH)2(s) = Fe(BrO4)2(aq) + 2 H2O(l)
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
Mn5O6 + Zn = Zn1000O1000 + Mn7O8 =>
3500 Mn5O6 + 1000 Zn = Zn1000O1000 + 2500 Mn7O8
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cu(s) + HNO3(ac) = Cu(NO3)2(ac) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(ac) = Cu(NO3)2(ac) + 2 NO2(g) + 2 H2O(l)
SiO2 + H + F = SiF4 + OH =>
SiO2 + 2 H + 4 F = SiF4 + 2 OH
KCl + Ca(OH)2 = ClCa + K(OH)2 =>
KCl + Ca(OH)2 = ClCa + K(OH)2
Zn + Ag(NO3) = Zn(NO3)2 + Ag =>
Zn + 2 Ag(NO3) = Zn(NO3)2 + 2 Ag
S + O2 + NH2 = NSO + H2O =>
S + O2 + NH2 = NSO + H2O
CN{-} + Fe{3+} + H2O = CNO{-} + Fe{2+} + H{+} =>
CN{-} + 2 Fe{3+} + H2O = CNO{-} + 2 Fe{2+} + 2 H{+}
Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2] =>
2 Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2]
H2O2 + CO(OH)2 = CO2O3 + H2O =>
3 H2O2 + CO(OH)2 = CO2O3 + 4 H2O
KMnO4 + C8H14 = C2O4(CH2)6K2 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 C8H14 = 3 C2O4(CH2)6K2 + 8 MnO2 + 2 KOH + 2 H2O
Ag(NO3)2 + KF = KNO3 + AgF2 =>
Ag(NO3)2 + 2 KF = 2 KNO3 + AgF2
NH4F(aq) + CaCl2(aq) = CaF2 + NH4Cl =>
2 NH4F(aq) + CaCl2(aq) = CaF2 + 2 NH4Cl
Na2SO3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + Na2SO4 =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 Na2SO4
Cr(NO3)3*9H2O + C2H5NO2 = Cr2O3 + NH4 + H2O + CO2 =>
10 Cr(NO3)3*9H2O + 54 C2H5NO2 = 5 Cr2O3 + 84 NH4 + 57 H2O + 108 CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NO3 + KCl = KNO3 + Cl =>
NO3 + KCl = KNO3 + Cl
CuO + H2 = Cu(metal) + H2O =>
CuO + H2 = Cu(metal) + H2O
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Pb(NO3)2(aq) + K2CrO4 = (aq)PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4 = (aq)PbCrO4(s) + 2 KNO3(aq)
NaIO3 + H2SO3 = Na2SO4 + I2 + H2O + H2SO4 =>
2 NaIO3 + 5 H2SO3 = Na2SO4 + I2 + H2O + 4 H2SO4
I2 + CCl4 = Cl2 + CI4 =>
2 I2 + CCl4 = 2 Cl2 + CI4
Cr3{+} + Cl{-} = Cr + Cl2 =>
2 Cr3{+} + 2 Cl{-} = 6 Cr + Cl2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2SO4(s) + H2O(l) = K2O(aq) + H2SO4(aq) =>
K2SO4(s) + H2O(l) = K2O(aq) + H2SO4(aq)
Zn(CH3COO)2 + MnSO4 = ZnSO4 + Mn(CH3COO)2 =>
Zn(CH3COO)2 + MnSO4 = ZnSO4 + Mn(CH3COO)2
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
Pb(NO3)2 + K2CO3 = PbCO3 + K2N2O6 =>
Pb(NO3)2 + K2CO3 = PbCO3 + K2N2O6
Fe + CuCr2O4 = FeCr2O4 + Cu =>
Fe + CuCr2O4 = FeCr2O4 + Cu
Si4 + HF = SiF4 + H2 =>
Si4 + 16 HF = 4 SiF4 + 8 H2
Na2(SO3) + CH3CO2H = Na(CH3CO2) + SO2 + H2O =>
Na2(SO3) + 2 CH3CO2H = 2 Na(CH3CO2) + SO2 + H2O
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