| Équations équilibrées la veille |
6 Cr2O72{-} + 427 H2C2O4 + 10 H{+} = 4 Cr3{+} + 854 CO2 + 432 H2O
Hg(NO2) + NH4Cl = Hg2Cl2 + NH4NO2 =>
2 Hg(NO2) + 2 NH4Cl = Hg2Cl2 + 2 NH4NO2
CuSO4 + Fe(No3)3 = Fe2(SO4)3 + Cu(No3)2 =>
3 CuSO4 + 2 Fe(No3)3 = Fe2(SO4)3 + 3 Cu(No3)2
ClCH2COONa + NaNO2 = NO2CH2COONa + NaCl =>
ClCH2COONa + NaNO2 = NO2CH2COONa + NaCl
C51H88O6 + O2 = H2O + CO2 =>
C51H88O6 + 70 O2 = 44 H2O + 51 CO2
H2AsO4 + H = AsH + H2O =>
H2AsO4 + 7 H = AsH + 4 H2O
Al(s) + NiCl(aq) = AlCl3(aq) + Ni(s) =>
Al(s) + 3 NiCl(aq) = AlCl3(aq) + 3 Ni(s)
KCl + K2CO3 = KCO3 + K2Cl =>
KCl + K2CO3 = KCO3 + K2Cl
HgO(s) = Hg + O2(g) =>
2 HgO(s) = 2 Hg + O2(g)
PbO + TiO2 + Ba(NO3)2 = PbBaTiO3 + (NO3)2 =>
PbO + TiO2 + Ba(NO3)2 = PbBaTiO3 + (NO3)2
Ca(NO3)2(aq) + KOH(aq) = KNO3(s) + Ca(OH)2(aq) =>
Ca(NO3)2(aq) + 2 KOH(aq) = 2 KNO3(s) + Ca(OH)2(aq)
Na2S + S = Na2S5 =>
Na2S + 4 S = Na2S5
Co + H3 = CoH3 =>
Co + H3 = CoH3
CH3COOH + HCl = CH3COOCl + H2 =>
CH3COOH + HCl = CH3COOCl + H2
H2Te + Cr(OH)3 = Cr2Te3 + H2O =>
3 H2Te + 2 Cr(OH)3 = Cr2Te3 + 6 H2O
CH3CH2Br + NaOH = CH3CH2OH + NaBr =>
CH3CH2Br + NaOH = CH3CH2OH + NaBr
AsO2{-} + MnO4{-} + H2O + H{+} = Mn{2+} + H3AsO4 =>
5 AsO2{-} + 2 MnO4{-} + 2 H2O + 11 H{+} = 2 Mn{2+} + 5 H3AsO4
Cd(NO2)2 + Hg2S = CdS + HgNO2 =>
Cd(NO2)2 + Hg2S = CdS + 2 HgNO2
Cr(OH)3(s) + HCl = CrCl3 + H2O(l) =>
Cr(OH)3(s) + 3 HCl = CrCl3 + 3 H2O(l)
Ca(OH)2(aq) + H3AsO4(aq) = Ca3(AsO4)2(s) + H2O(l) =>
3 Ca(OH)2(aq) + 2 H3AsO4(aq) = Ca3(AsO4)2(s) + 6 H2O(l)
Cr + NiCl2 = CrCl2 + Ni =>
Cr + NiCl2 = CrCl2 + Ni
C3H8 + I = C3H7I + HI =>
C3H8 + 2 I = C3H7I + HI
Fe(NO3)3 + NaBr = FeBr3 + NaNO3 =>
Fe(NO3)3 + 3 NaBr = FeBr3 + 3 NaNO3
KMg + NaOH = NaMg + KOH =>
KMg + NaOH = NaMg + KOH
Al2O3 + Br = AlBr3 + O =>
Al2O3 + 6 Br = 2 AlBr3 + 3 O
K + SnCl4 = KCl + Sn =>
4 K + SnCl4 = 4 KCl + Sn
Li + Fe(NO3)3 = Li(NO3) + Fe =>
3 Li + Fe(NO3)3 = 3 Li(NO3) + Fe
CH3COONH4 + NaOH = CH3COOOH + NaNH4 =>
CH3COONH4 + NaOH = CH3COOOH + NaNH4
NS2 = N2 + S =>
2 NS2 = N2 + 4 S
MgCl2*6H2O + Ca(OH)2 = Mg(OH)2 + CaCl2*6H2O =>
MgCl2*6H2O + Ca(OH)2 = Mg(OH)2 + CaCl2*6H2O
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
SrBr2 + (NH4)2(CO3) = Sr(CO3) + NH4Br =>
SrBr2 + (NH4)2(CO3) = Sr(CO3) + 2 NH4Br
C9H20O5(l) + O2 = CO2 + H2O =>
2 C9H20O5(l) + 23 O2 = 18 CO2 + 20 H2O
H2O + MnO4{-} + C2O4{2-} = Mn{2+} + CO2 + OH{-} =>
8 H2O + 2 MnO4{-} + 5 C2O4{2-} = 2 Mn{2+} + 10 CO2 + 16 OH{-}
Au + HCl + NH4NO3 = Au(OH3)NH3 + Cl + H2O =>
2 Au + 10 HCl + NH4NO3 = 2 Au(OH3)NH3 + 10 Cl + H2O
W + Br = WBr2 =>
W + 2 Br = WBr2
K2CrO4 + Na2CrO4 + HCl = NaCl + H2O + K2Cr2O7 =>
K2CrO4 + Na2CrO4 + 2 HCl = 2 NaCl + H2O + K2Cr2O7
Na2S + S = Na2S5 =>
Na2S + 4 S = Na2S5
Fe(OH2) + O2 + H2O = Fe(OH)3 =>
4 Fe(OH2) + 3 O2 + 2 H2O = 4 Fe(OH)3
Fe + Se2 = Fe2Se3 =>
4 Fe + 3 Se2 = 2 Fe2Se3
(NH4)2HPO4 = NH3 + NH4H2PO4 =>
(NH4)2HPO4 = NH3 + NH4H2PO4
NaClO + As + NaOH = Na3AsO4 + NaCl + H2O =>
5 NaClO + 2 As + 6 NaOH = 2 Na3AsO4 + 5 NaCl + 3 H2O
OH{-} + As2O3 + IO3{-} = AsO4{3-} + I{-} + H2O =>
18 OH{-} + 3 As2O3 + 2 IO3{-} = 6 AsO4{3-} + 2 I{-} + 9 H2O
Cl + I{-} = Cl{-} + I2 =>
2 Cl + 2 I{-} = 2 Cl{-} + I2
NaHCO3 + C3H4OH(COOH)3 = C3H4OH(COONa)3 + H2O + CO2 =>
3 NaHCO3 + C3H4OH(COOH)3 = C3H4OH(COONa)3 + 3 H2O + 3 CO2
CS2 + O4 = CO2 + SO2 =>
2 CS2 + 3 O4 = 2 CO2 + 4 SO2
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
Fe(S) + Cl2 = FeCl3(S) =>
2 Fe(S) + 3 Cl2 = 2 FeCl3(S)
Zn + I2 = Zn2{+} + I{-}1 =>
4 Zn + I2 = 2 Zn2{+} + 2 I{-}1
Pb4O + CaCO3 = Pb4CO3 + CaO =>
Pb4O + CaCO3 = Pb4CO3 + CaO
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