| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaCO3 + LiNO3 = LiCO3 + NaNO3
KMnO4 + FeCl2 + HCl = MnO2 + FeCl3 + KCl + H2O =>
KMnO4 + 3 FeCl2 + 4 HCl = MnO2 + 3 FeCl3 + KCl + 2 H2O
CH3OH + K2CrO7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
3 CH3OH + 2 K2CrO7 + 5 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 CO2 + 11 H2O
NiSO4 + NH3 + H2O = Ni(NH3)2(OH)2 + (NH4)2SO4 =>
NiSO4 + 4 NH3 + 2 H2O = Ni(NH3)2(OH)2 + (NH4)2SO4
NaOH + Mg = MgNaO + H2 =>
2 NaOH + 2 Mg = 2 MgNaO + H2
P4O6 + H2O = H2HPO3 =>
P4O6 + 6 H2O = 4 H2HPO3
[Cu(NH3)4]SO4 + K4[Fe(CN)6] = Cu(CN)2 + K2SO4 + NH3 + FeSO4 =>
3[Cu(NH3)4]SO4 + K4[Fe(CN)6] = 3 Cu(CN)2 + 2 K2SO4 + 12 NH3 + FeSO4
Cu2(OH)2CO3(s) = Cu2O + H2O + CO3 =>
Cu2(OH)2CO3(s) = Cu2O + H2O + CO3
C + O2 = CO2 = =>
C + O2 = CO2
NaCl + H2O = Na2O + H2 + Cl =>
2 NaCl + H2O = Na2O + H2 + 2 Cl
BaO + Cl2O7 = BaCl2 + O =>
BaO + Cl2O7 = BaCl2 + 8 O
H3PO4 + Pb(OH)4 = H3(OH)4 + PbPO4 =>
H3PO4 + Pb(OH)4 = H3(OH)4 + PbPO4
H2SO3 + H2S = H4SO3 + S =>
H2SO3 + H2S = H4SO3 + S
NaPO4 + AlCl = AlPO4 + NaCl =>
NaPO4 + AlCl = AlPO4 + NaCl
MnO2 + OH{-} + Cu{2+} = MnO4{-} + H2O + Cu{+} =>
MnO2 + 4 OH{-} + 3 Cu{2+} = MnO4{-} + 2 H2O + 3 Cu{+}
Na2S2O5 + I2 = NaI + SO2 + O2 =>
2 Na2S2O5 + 2 I2 = 4 NaI + 4 SO2 + O2
H2S + Pb(OH)4 = Pb(OH)2S + H2O =>
H2S + Pb(OH)4 = Pb(OH)2S + 2 H2O
C9H12 + MnO4{-} + H{+} = C7H6O2 + MnO2 + H2O =>
7 C9H12 + 22 MnO4{-} + 22 H{+} = 9 C7H6O2 + 22 MnO2 + 26 H2O
NiBr2(aq) + K2CO3(aq) = NiCO3(s) + KBr(aq) =>
NiBr2(aq) + K2CO3(aq) = NiCO3(s) + 2 KBr(aq)
CH30H + O2 = CH2 + H2O =>
4 CH30H + 29 O2 = 4 CH2 + 58 H2O
CH3CH2COOH + Ba(OH)2 = (CH3CH2COO)2Ba + H2O =>
2 CH3CH2COOH + Ba(OH)2 = (CH3CH2COO)2Ba + 2 H2O
C2H3F3 + O2 = CO2 + H2O + F2 =>
4 C2H3F3 + 11 O2 = 8 CO2 + 6 H2O + 6 F2
H2SO4 + KaOH = Ka2SO4 + H2O =>
H2SO4 + 2 KaOH = Ka2SO4 + 2 H2O
Na2SO3 + H2O = NaHSO3 + NaOH =>
Na2SO3 + H2O = NaHSO3 + NaOH
MnO4{-} + S2{-} + H{+} = Mn2{+} + S0 + H2O =>
2 MnO4{-} + 13 S2{-} + 16 H{+} = Mn2{+} + 26 S0 + 8 H2O
H12CuN4 + H2SO4 = CuSO4 + (NH4)2SO4 + H2 =>
H12CuN4 + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + H2
KI + H2SeO3 = Se + KIO3 + H2O =>
2 KI + 3 H2SeO3 = 3 Se + 2 KIO3 + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3) + O2 + H2O =>
4 Ca(OH)2 + 4 HNO3 = 4 Ca(NO3) + O2 + 6 H2O
NH4CN + H2O = H3O + NH3CN =>
NH4CN + H2O = H3O + NH3CN
NaBr + NaClO + H2O = Br2 + NaCl + NaOH =>
2 NaBr + NaClO + H2O = Br2 + NaCl + 2 NaOH
C6H6N4O4 + C4H10O = C10N4 + H16O5 =>
C6H6N4O4 + C4H10O = C10N4 + H16O5
KOH + CrF3 + CuF2 = CuF + K2CrO4 + H2O + KF =>
8 KOH + CrF3 + 3 CuF2 = 3 CuF + K2CrO4 + 4 H2O + 6 KF
NaI + Pb(ClO3)2 = Na(ClO3)2 + IPb =>
NaI + Pb(ClO3)2 = Na(ClO3)2 + IPb
Li2CO3 + Mg(NO3)2 = MgCO3 + LiNO3 =>
Li2CO3 + Mg(NO3)2 = MgCO3 + 2 LiNO3
CaC2 + H2O = Ca(OH)2 + C2H2*H2O =>
CaC2 + 3 H2O = Ca(OH)2 + C2H2*H2O
Fe + NaCl + H2O = FeCl + NaOH + H2 =>
2 Fe + 2 NaCl + 2 H2O = 2 FeCl + 2 NaOH + H2
KNO + NaCl = KCl + NaNO =>
KNO + NaCl = KCl + NaNO
C6H5COONa + CH3Cl = C6H4COONaCH3 + HCl =>
C6H5COONa + CH3Cl = C6H4COONaCH3 + HCl
C2H2O + H2O = C6H12O6 =>
3 C2H2O + 3 H2O = C6H12O6
KOH + Cl2K = ClO3 + KCl + H2O =>
6 KOH + 7 Cl2K = ClO3 + 13 KCl + 3 H2O
Cu + NaOH + O2 + H2O = Na2[Cu(OH)4] =>
2 Cu + 4 NaOH + O2 + 2 H2O = 2 Na2[Cu(OH)4]
H2SiO3 + SO3 = H2SO4 + SiO2 =>
H2SiO3 + SO3 = H2SO4 + SiO2
K[Cr(H2O)2(C2O4)2]*2H2O + KOH = Cr(OH)3 + H2O + K + CO2 =>
K[Cr(H2O)2(C2O4)2]*2H2O + 3 KOH = Cr(OH)3 + 4 H2O + 4 K + 4 CO2
Mg(OH)2 + H2CO3 = MgCO4 + H2O + H =>
Mg(OH)2 + H2CO3 = MgCO4 + H2O + 2 H
K2(CO3) + H(NO3) = K(NO3) + H2(CO3) =>
K2(CO3) + 2 H(NO3) = 2 K(NO3) + H2(CO3)
Fe{3} + P{-3} = FeP =>
Fe{3} + P{-3} = FeP
Br2 + AgNO3 = BrNO3 + AgBr =>
Br2 + AgNO3 = BrNO3 + AgBr
C6H4(OH)COOH + CH4O = C8H8O3 + H2O =>
C6H4(OH)COOH + CH4O = C8H8O3 + H2O
K2Cr2O7(ac) + FeCl2(ac) + HCl(ac) = CrCl3(ac) + KCl(ac) + FeCl3(ac) + H2O(l) =>
K2Cr2O7(ac) + 6 FeCl2(ac) + 14 HCl(ac) = 2 CrCl3(ac) + 2 KCl(ac) + 6 FeCl3(ac) + 7 H2O(l)
KI2Cl2 = KCl2I2 =>
KI2Cl2 = KCl2I2
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