| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
Au + H2SO4 = (AuSO4)3 + H2 =>
3 Au + 3 H2SO4 = (AuSO4)3 + 3 H2
PbO2 + HCl + KI = KCl + I2 + PbCl2 + H2O =>
PbO2 + 4 HCl + 2 KI = 2 KCl + I2 + PbCl2 + 2 H2O
K2S + Al2(SO4)3 + H2O = Al(OH)3 + K2SO4 + H2S =>
3 K2S + Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 K2SO4 + 3 H2S
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
H2PtCl6 + NH4Cl = (NH4)2PtCl6 + HCl =>
H2PtCl6 + 2 NH4Cl = (NH4)2PtCl6 + 2 HCl
HBrO2 + Mg = MgBrO2 + H2 =>
2 HBrO2 + 2 Mg = 2 MgBrO2 + H2
Ni3N2 = Ni + N2 =>
Ni3N2 = 3 Ni + N2
CuSO4(aq)Fe(s) = Cu(s)FeSO4(s) =>
CuSO4(aq)Fe(s) = Cu(s)FeSO4(s)
C3H6H2O = C3H7OH =>
C3H6H2O = C3H7OH
(CH3)2CH2 + O2 = CO2 + H2O =>
(CH3)2CH2 + 5 O2 = 3 CO2 + 4 H2O
NH4OH + (AlCl3) = NH4Cl + Al(OH)3 =>
3 NH4OH + (AlCl3) = 3 NH4Cl + Al(OH)3
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
NaI + Na2SO3 + NaOH + CuSO4 = CuI + Na2SO4 + H2SO4 =>
4 NaI + 2 Na2SO3 + 2 NaOH + 4 CuSO4 = 4 CuI + 5 Na2SO4 + H2SO4
KBrO3 + H2S = H2SO4 + KBr =>
4 KBrO3 + 3 H2S = 3 H2SO4 + 4 KBr
NaOH + C20H14O4 = NaOHC20H14O4 =>
NaOH + C20H14O4 = NaOHC20H14O4
C3H6 + C2H5OH = C5H12O =>
C3H6 + C2H5OH = C5H12O
Ae + CuCe2 = AeCe3 + Cu =>
2 Ae + 3 CuCe2 = 2 AeCe3 + 3 Cu
C17H35COOH + H2 = H35COOH + H2C =>
C17H35COOH + 17 H2 = H35COOH + 17 H2C
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NH4OH + FeSO4 = Fe(OH)2 + (NH4)2 + SO4 =>
2 NH4OH + FeSO4 = Fe(OH)2 + (NH4)2 + SO4
H2S + Pb(NO3)2 = SPb + HNO3 =>
H2S + Pb(NO3)2 = SPb + 2 HNO3
Zn + NO3{-} + H2O = Zn{+2} + NH3 + OH{-} =>
4 Zn + NO3{-} + 6 H2O = 4 Zn{+2} + NH3 + 9 OH{-}
H2SO4(aq)Na2HPO4(aq) = NaH2PO4(aq)NaHSO4(aq) =>
H2SO4(aq)Na2HPO4(aq) = NaH2PO4(aq)NaHSO4(aq)
Ba(NO3)2(NH4)2SO4 = BaSO4(NO3)2(NH4)2 =>
Ba(NO3)2(NH4)2SO4 = BaSO4(NO3)2(NH4)2
CaO + HBrO2 = Ca(BrO2)2 + H2O =>
CaO + 2 HBrO2 = Ca(BrO2)2 + H2O
MgCl2 + H3Po4 = Mg3(Po4)2 + HCl =>
3 MgCl2 + 2 H3Po4 = Mg3(Po4)2 + 6 HCl
FePO4 + Li2CO3 = LiFePO4 + CO3 =>
2 FePO4 + Li2CO3 = 2 LiFePO4 + CO3
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H2S + CI = S3 + HCI =>
3 H2S + 6 CI = S3 + 6 HCI
[Co(NH3)6][Cr(CN)6] + AgNO3 = AgCN + [Co(NH3)6][Cr(NO3)6] =>
[Co(NH3)6][Cr(CN)6] + 6 AgNO3 = 6 AgCN + [Co(NH3)6][Cr(NO3)6]
Na2CO3 + C2H2O4 = Na2C2O4 + CO2 + H2O =>
Na2CO3 + C2H2O4 = Na2C2O4 + CO2 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SO2Cl2 + H2O = SO4 + H + Cl =>
SO2Cl2 + 2 H2O = SO4 + 4 H + 2 Cl
CoO + C = Co + CO2 =>
2 CoO + C = 2 Co + CO2
FO + H2O = HF + O2 =>
4 FO + 2 H2O = 4 HF + 3 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SrCl2H2SO4 = SrSO4H2Cl2 =>
SrCl2H2SO4 = SrSO4H2Cl2
FeSO4 + HNO3 = Fe(NO3)2 + H2SO4 =>
FeSO4 + 2 HNO3 = Fe(NO3)2 + H2SO4
HNO3 + Na2S = NaNO3 + H2S =>
2 HNO3 + Na2S = 2 NaNO3 + H2S
C6H5CNLiOHH2O = C6H5COOLiNH3 =>
C6H5CNLiOHH2O = C6H5COOLiNH3
(NH4)2CO3 = CO2 + H2O + NH3 =>
(NH4)2CO3 = CO2 + H2O + 2 NH3
Li + H2SO4 = Li2SO4 + H2 =>
2 Li + H2SO4 = Li2SO4 + H2
MgCO3(s) = MgO(s)CO2(g) =>
MgCO3(s) = MgO(s)CO2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Li + H2SO4 = Li2SO4 + H2 =>
2 Li + H2SO4 = Li2SO4 + H2
K + O2 = KO4 =>
K + 2 O2 = KO4
BaO + HClO2 = BaCl2 + H2O + O2 =>
BaO + 2 HClO2 = BaCl2 + H2O + 2 O2
H2 + S = H2S3 =>
H2 + 3 S = H2S3
K2SO3 + Na2HPO4 = K3PO4 + Na3PO4 + SO2 + H2O =>
3 K2SO3 + 6 Na2HPO4 = 2 K3PO4 + 4 Na3PO4 + 3 SO2 + 3 H2O
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