| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaI2 + 2 H2O = Ca(OH)2 + 2 HI
Fe2O3 + Cl2O7 = FeClO5 =>
Fe2O3 + Cl2O7 = 2 FeClO5
H2 + TeO2 = Te + H2O =>
2 H2 + TeO2 = Te + 2 H2O
C6H12N4 + O2 = CO2 + H2O + N2 =>
C6H12N4 + 9 O2 = 6 CO2 + 6 H2O + 2 N2
P2O5 + SrO = Sr3P2 + O =>
P2O5 + 3 SrO = Sr3P2 + 8 O
PbSO4 + CH3COONa = Pb(CH3COO)4Na2 + Na2SO4 =>
PbSO4 + 4 CH3COONa = Pb(CH3COO)4Na2 + Na2SO4
HF + Na(OH) = NaF + H2O =>
HF + Na(OH) = NaF + H2O
SeOF2 + SiO2 = SeO2 + SiF4 =>
2 SeOF2 + SiO2 = 2 SeO2 + SiF4
Fe(s) + NaBr(aq) = FeBr3(s) + Na(s) =>
Fe(s) + 3 NaBr(aq) = FeBr3(s) + 3 Na(s)
FeS{2} + O{2} = Fe{2}O{3} + SO{2} =>
FeS{2} + O{2} = Fe{2}O{3} + SO{2}
Na + Zn(C2H3O2)2 = Zn + NaC2H3O2 =>
2 Na + Zn(C2H3O2)2 = Zn + 2 NaC2H3O2
H2SO4 + Cu + H{+} = Cu2{+} + SO2 + H2O =>
H2SO4 + 4 Cu + 2 H{+} = 2 Cu2{+} + SO2 + 2 H2O
CH3CHO + Cr2O7{-2} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CHO + Cr2O7{-2} + 8 H{+} = 3 CH3COOH + 2 Cr{3+} + 4 H2O
CuI + Na2S2O3 = CuS2O3 + Na2I =>
CuI + Na2S2O3 = CuS2O3 + Na2I
Na(s) + CaCl2(aq) = NaCl + (aq)Ca =>
2 Na(s) + CaCl2(aq) = 2 NaCl + (aq)Ca
MgBr2 + NaOH = Mg(OH)2 + NaBr =>
MgBr2 + 2 NaOH = Mg(OH)2 + 2 NaBr
[Fe(SCN)(H2O)5]{2+} = Fe{3+} + SCN{-} + H2O =>
[Fe(SCN)(H2O)5]{2+} = Fe{3+} + SCN{-} + 5 H2O
Mn(s) + CuCl(aq) = Cu(s) + MnCl2(aq) =>
Mn(s) + 2 CuCl(aq) = 2 Cu(s) + MnCl2(aq)
NaCl + KNO3 = NaClKNO3 =>
NaCl + KNO3 = NaClKNO3
CH4O + O2(g) = CO2(g) + H2O =>
2 CH4O + 3 O2(g) = 2 CO2(g) + 4 H2O
NaNO3(s) + H2SO4 = Na2SO4(s) + HNO3 =>
2 NaNO3(s) + H2SO4 = Na2SO4(s) + 2 HNO3
Zr + Cl = ZrCl =>
Zr + Cl = ZrCl
LiAl(SiO3)2 + H2SO4 = Li2SO4 + SiO2 + Al2(SO4)3 + H2O =>
2 LiAl(SiO3)2 + 4 H2SO4 = Li2SO4 + 4 SiO2 + Al2(SO4)3 + 4 H2O
C3Cl2N3NaO3 + HCl = C3N3O3H3 + NaCl + Cl2 =>
C3Cl2N3NaO3 + 3 HCl = C3N3O3H3 + NaCl + 2 Cl2
Ba(NO3)2 + H3(PO4) = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3(PO4) = Ba3(PO4)2 + 6 HNO3
N(g) + H(g) = NH4(g) =>
N(g) + 4 H(g) = NH4(g)
Li + H2O = Li(HO)2 + H2 =>
Li + 2 H2O = Li(HO)2 + H2
H2SO4 + KMnO4 + C7H8 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
9 H2SO4 + 6 KMnO4 + 5 C7H8 = 5 C7H6O2 + 6 MnSO4 + 3 K2SO4 + 14 H2O
Cr(NO3)3(aq) + LiOH(aq) = Li(NO3)(aq) + Cr(OH)3 =>
Cr(NO3)3(aq) + 3 LiOH(aq) = 3 Li(NO3)(aq) + Cr(OH)3
Br2 + H2O = Br2O3 + H2 =>
Br2 + 3 H2O = Br2O3 + 3 H2
CoN3O9 + N2H8S = Co2S3 + NH4NO3 =>
2 CoN3O9 + 3 N2H8S = Co2S3 + 6 NH4NO3
CH3CH2OH + C3H7COOH = C3H7COOCH3CH2 + H2O =>
CH3CH2OH + C3H7COOH = C3H7COOCH3CH2 + H2O
CH4 + OH = CO2 + H2O =>
CH4 + 8 OH = CO2 + 6 H2O
CrO3 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
4 CrO3 + 6 NaHSO3 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 6 H2O
Hg + H2O = HgOH + H2 =>
2 Hg + 2 H2O = 2 HgOH + H2
Fe3O4 + HNO3 + H{+} = Fe{+3} + NO + H2O =>
3 Fe3O4 + HNO3 + 27 H{+} = 9 Fe{+3} + NO + 14 H2O
K2S + O = K2O + S =>
K2S + O = K2O + S
C + O2(g) = CO2 =>
C + O2(g) = CO2
CrS2 + O2 = CrO2 + SO2 =>
CrS2 + 3 O2 = CrO2 + 2 SO2
Ce2 + KOH = KCe + KCeO3 + H2O =>
3 Ce2 + 6 KOH = 5 KCe + KCeO3 + 3 H2O
BeH2 + H2O = Be(OH)2 + H2 =>
BeH2 + 2 H2O = Be(OH)2 + 2 H2
HCl + NaOCl + KI = KCl + NaCl + I2 + H2O =>
2 HCl + NaOCl + 2 KI = 2 KCl + NaCl + I2 + H2O
BaCI2 + MgSO4 = BaSO4 + MgCI2 =>
BaCI2 + MgSO4 = BaSO4 + MgCI2
Pd + H2 = PdH4 =>
Pd + 2 H2 = PdH4
Ba(NO3)2 + HCl = BaCl2 + HNO3 =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 HNO3
H3(PO4) = H4(P2O7) + H2O =>
2 H3(PO4) = H4(P2O7) + H2O
CN{-} + NaClO + H2O = HCO3{-} + N2 + Cl{-} + Na{+} =>
2 CN{-} + 5 NaClO + H2O = 2 HCO3{-} + N2 + 5 Cl{-} + 5 Na{+}
NH4Cl(s) + Ba(OH)2(s) = NH3(g) + BaCl2(aq) + H2O(l) =>
2 NH4Cl(s) + Ba(OH)2(s) = 2 NH3(g) + BaCl2(aq) + 2 H2O(l)
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
CH2O + Cu(OH)2 + NaOH = HCOONa + Cu2O + H2O =>
CH2O + 2 Cu(OH)2 + NaOH = HCOONa + Cu2O + 3 H2O
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Équations équilibrées sur10/26/24
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