| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 CH3COOH + 4 HNO3 = 7 H2O + 3 CH2COOO3 + 4 HCN
CrO3 + CO = CrO + CO2 =>
CrO3 + 2 CO = CrO + 2 CO2
K2MnO4 + HI = I2 + MnI2 + H2O + KI =>
K2MnO4 + 8 HI = 2 I2 + MnI2 + 4 H2O + 2 KI
K2CrO4 + HCl = KCl(aq) + H2O(l) + K2Cr2O7(aq) =>
2 K2CrO4 + 2 HCl = 2 KCl(aq) + H2O(l) + K2Cr2O7(aq)
Mg + Cu2O = MgO + Cu =>
Mg + Cu2O = MgO + 2 Cu
Ba(OH2) + H2SO4 = Ba(SO4) + H2OH2 =>
Ba(OH2) + H2SO4 = Ba(SO4) + H2OH2
C + Ca(OH)2 = CaC2(OH)2 =>
2 C + Ca(OH)2 = CaC2(OH)2
NiO2 + Cl{-} + H2O = Cl2 + Ni(OH)2 + OH{-} =>
NiO2 + 2 Cl{-} + 2 H2O = Cl2 + Ni(OH)2 + 2 OH{-}
Si + HF + HNO3 = H2O + SiF6{-} + NO + H{+} =>
3 Si + 18 HF + 5 HNO3 = 10 H2O + 3 SiF6{-} + 5 NO + 3 H{+}
K2MnO4 + HI = I2 + MnI2 + H2O + KI =>
K2MnO4 + 8 HI = 2 I2 + MnI2 + 4 H2O + 2 KI
C3H6O + H2SO4 = C9H18O6 + H2S =>
12 C3H6O + 3 H2SO4 = 4 C9H18O6 + 3 H2S
KOH + H3BO3 = K3BO3 + H2O =>
3 KOH + H3BO3 = K3BO3 + 3 H2O
(NH4)2MoO4 + HCl + SnCl2 + KSCN = K2[Mo(SCN)5] + NH4Cl + H2O + SnCl4 + KCl =>
2(NH4)2MoO4 + 16 HCl + 3 SnCl2 + 10 KSCN = 2 K2[Mo(SCN)5] + 4 NH4Cl + 8 H2O + 3 SnCl4 + 6 KCl
Fe3(s) + S(s) = Fe2S3 =>
2 Fe3(s) + 9 S(s) = 3 Fe2S3
MgAlCO3(OH)3 + HCl = CO2 + H2O + MgCl2 + AlCl3 =>
MgAlCO3(OH)3 + 5 HCl = CO2 + 4 H2O + MgCl2 + AlCl3
Be(OH)2 + HNO3 = Be(NO3)2 + H2O =>
Be(OH)2 + 2 HNO3 = Be(NO3)2 + 2 H2O
MgCl2 + H3(PO4) = Mg3(PO4)2 + HCl =>
3 MgCl2 + 2 H3(PO4) = Mg3(PO4)2 + 6 HCl
X(CH3)6 + KMnO4 + H2SO4 = X(COOH)6 + K2SO4 + MnSO4 + H2O =>
5 X(CH3)6 + 36 KMnO4 + 54 H2SO4 = 5 X(COOH)6 + 18 K2SO4 + 36 MnSO4 + 84 H2O
Ni(OH)3 + HI = NiI2 + I2 + H2O =>
2 Ni(OH)3 + 6 HI = 2 NiI2 + I2 + 6 H2O
CuO(s)0 + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s)0 + H2SO4(aq) = CuSO4(aq) + H2O(l)
H2S + NHO3 = H2SO4 + NO2 + H2O =>
H2S + 8 NHO3 = H2SO4 + 8 NO2 + 4 H2O
Ca3P2O8 + CaH6P2O9 + H2O = CaH5PO6 =>
Ca3P2O8 + CaH6P2O9 + 7 H2O = 4 CaH5PO6
C2H5NO3 + Sn + H{+} = NH2OH + C2H5OH + Sn{2+} + H2O =>
C2H5NO3 + 3 Sn + 6 H{+} = NH2OH + C2H5OH + 3 Sn{2+} + H2O
Ca(HSO4)2 + NaCl = Na(HSO4) + CaCl2 =>
Ca(HSO4)2 + 2 NaCl = 2 Na(HSO4) + CaCl2
Na2O + K2S = K2O + Na2S =>
Na2O + K2S = K2O + Na2S
H3PO3 + Na = Na3(PO3)2 + H2 =>
2 H3PO3 + 3 Na = Na3(PO3)2 + 3 H2
Pb + H2Te = Pb(HTe)4 + H2 =>
Pb + 4 H2Te = Pb(HTe)4 + 2 H2
Zn(NO3)2 = ZnO + N2O5 =>
Zn(NO3)2 = ZnO + N2O5
NaCl + CaO = Na2O + CaCl2 =>
2 NaCl + CaO = Na2O + CaCl2
C4H8O2(l) + H2 = C2H6O(l) =>
C4H8O2(l) + 2 H2 = 2 C2H6O(l)
C4H4S + H2 = C5H12 + H2S =>
5 C4H4S + 19 H2 = 4 C5H12 + 5 H2S
CuN2O6 + NH4OH = CuO2H2 + NH4NO3 =>
CuN2O6 + 2 NH4OH = CuO2H2 + 2 NH4NO3
AgNo3 + K2SO4 = Ag2SO4 + K(No3) =>
2 AgNo3 + K2SO4 = Ag2SO4 + 2 K(No3)
KFe[Fe(CN)6] + PbCr2O7 = KCr2O7 + Pb[Fe(CN)6] + Fe =>
KFe[Fe(CN)6] + PbCr2O7 = KCr2O7 + Pb[Fe(CN)6] + Fe
C2H8 + O2 = C2H4 + H2O =>
C2H8 + O2 = C2H4 + 2 H2O
CaOH2 + NaHCO3 = NaOH + CaH2CO3 =>
CaOH2 + NaHCO3 = NaOH + CaH2CO3
HPO3 + Sr(OH)2 = Sr(PO3)2 + H2O =>
2 HPO3 + Sr(OH)2 = Sr(PO3)2 + 2 H2O
FeS + HBr = HS + BrFe =>
FeS + HBr = HS + BrFe
C2H8 + O2 = C2H4 + H2O =>
C2H8 + O2 = C2H4 + 2 H2O
CH3OH + CuO = H2O + Cu + HCHO =>
CH3OH + CuO = H2O + Cu + HCHO
K2SO3 + Cl2 + KOH = KCl + K2SO4 + H2O =>
K2SO3 + Cl2 + 2 KOH = 2 KCl + K2SO4 + H2O
N2H4 + H2O2 = N3 + H2O =>
3 N2H4 + 6 H2O2 = 2 N3 + 12 H2O
NaOH + HF = H2O + NaF =>
NaOH + HF = H2O + NaF
NaCI + H2SO4 = Na2SO4 + HCI =>
2 NaCI + H2SO4 = Na2SO4 + 2 HCI
Fe2(SO4)3 = Fe + SO4 =>
Fe2(SO4)3 = 2 Fe + 3 SO4
C5H8(l) + O2(g) = H2O(l) + CO2(g) =>
C5H8(l) + 7 O2(g) = 4 H2O(l) + 5 CO2(g)
Na2Cr2O7 + Fe(OH)3 = NaOH + Fe2(Cr2O7)3 =>
3 Na2Cr2O7 + 2 Fe(OH)3 = 6 NaOH + Fe2(Cr2O7)3
Na(s) + Cl(g) = NaCl(aq) =>
Na(s) + Cl(g) = NaCl(aq)
HNO3(aq) + S(aq) = NO2(g) + H2O(l) + H2SO4(aq) =>
6 HNO3(aq) + S(aq) = 6 NO2(g) + 2 H2O(l) + H2SO4(aq)
Ce2(C2O4)3 = CeOCO3 + CO =>
Ce2(C2O4)3 = 2 CeOCO3 + 4 CO
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Équations équilibrées sur12/25/24
Équations équilibrées sur01/24/24
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