| Équations équilibrées la veille |
4 MnO2 + O2 + 12 NaOH = 4 Na3MnO4 + 6 H2O
Na3 = Na =>
Na3 = 3 Na
Rb + CaSO4 = Rb2SO4 + Ca =>
2 Rb + CaSO4 = Rb2SO4 + Ca
Cd(CH3COO)2 + NaOH = Cd(OH)2 + CH3COONa =>
Cd(CH3COO)2 + 2 NaOH = Cd(OH)2 + 2 CH3COONa
NiSO4 + NaI = NiI2 + Na2SO4 =>
NiSO4 + 2 NaI = NiI2 + Na2SO4
Cd(CH3COO)2 + NaOH = Cd(OH)2 + CH3COONa =>
Cd(CH3COO)2 + 2 NaOH = Cd(OH)2 + 2 CH3COONa
LiS + O2 = LiO + SO2 =>
2 LiS + 3 O2 = 2 LiO + 2 SO2
Mg + CuSO4 = MgSO4 + Cu* =>
Mg + CuSO4 = MgSO4 + Cu*
Hg(NO3)2 + LiCl = HgCl2 + LiNO3 =>
Hg(NO3)2 + 2 LiCl = HgCl2 + 2 LiNO3
CO2 + HCl = CCl4 + H2O =>
CO2 + 4 HCl = CCl4 + 2 H2O
Fe + Cl = FeCl6 =>
Fe + 6 Cl = FeCl6
KOH + H2O + SiO2 = KSi3O8 + H2 =>
2 KOH + 2 H2O + 6 SiO2 = 2 KSi3O8 + 3 H2
Na2O + HClO4 = NaClO4 + H2O =>
Na2O + 2 HClO4 = 2 NaClO4 + H2O
KCl + AgNO3 = K + Ag + ClNO3 =>
KCl + AgNO3 = K + Ag + ClNO3
HCl + Ng(OH)2 = NgCl2 + H2O =>
2 HCl + Ng(OH)2 = NgCl2 + 2 H2O
MnO4{-} + H2S + H2O{+} = Mn{2+} + S + H2O =>
MnO4{-} + 4 H2S + 3 H2O{+} = Mn{2+} + 4 S + 7 H2O
KCl + PbO2 + HNO3 = Pb(NO3)2 + Cl2 + KNO3 + H2O =>
2 KCl + PbO2 + 4 HNO3 = Pb(NO3)2 + Cl2 + 2 KNO3 + 2 H2O
HNO2 + KOH = KNO2 + H2O =>
HNO2 + KOH = KNO2 + H2O
FeO + Ca = CaO + Fe =>
FeO + Ca = CaO + Fe
CH3COO{-} + HSO4{-} = CH3COOH + SO4{2-} =>
CH3COO{-} + HSO4{-} = CH3COOH + SO4{2-}
Cu2O1 + C = Cu + CO2 =>
2 Cu2O1 + C = 4 Cu + CO2
CH3(CH3) + O2 = CO2 + H2O =>
2 CH3(CH3) + 7 O2 = 4 CO2 + 6 H2O
CaC2 + HCl + O2 = CaCl2 + CO2 + H2O =>
2 CaC2 + 4 HCl + 5 O2 = 2 CaCl2 + 4 CO2 + 2 H2O
FeSO4 + NaOH = Fe(OH)2 + Na2SO4 =>
FeSO4 + 2 NaOH = Fe(OH)2 + Na2SO4
Na3 + Cl2 = NaCl3 =>
2 Na3 + 9 Cl2 = 6 NaCl3
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
CoBr + NH4Br + NH3 + O2 = Co(NH3)5(H2O)Br3 =>
2 CoBr + 4 NH4Br + 6 NH3 + O2 = 2 Co(NH3)5(H2O)Br3
N2H4(l) + H2O2(l) = N2(g) + H2O(g) =>
N2H4(l) + 2 H2O2(l) = N2(g) + 4 H2O(g)
Cd(CH3COO)2 + NaOH = Cd(OH)2 + CH3COONa =>
Cd(CH3COO)2 + 2 NaOH = Cd(OH)2 + 2 CH3COONa
Ca(C2H3O2)2 + KNO3 = CaK + (C2H3O2)2(NO3) =>
Ca(C2H3O2)2 + KNO3 = CaK + (C2H3O2)2(NO3)
CoCO3 + HNO3 + H2O = Co(H2O)6(NO3)2 + CO2 =>
CoCO3 + 2 HNO3 + 5 H2O = Co(H2O)6(NO3)2 + CO2
Cd(CH3COO)2 + NaOH = Cd(OH)2 + CH3COONa =>
Cd(CH3COO)2 + 2 NaOH = Cd(OH)2 + 2 CH3COONa
CH3NO2(l) + O2(g) = CO2(g) + H2O(g) + NO2(g) =>
4 CH3NO2(l) + 7 O2(g) = 4 CO2(g) + 6 H2O(g) + 4 NO2(g)
CdNO3 + (NH4)2S = Cd2S + NH4NO3 =>
2 CdNO3 + (NH4)2S = Cd2S + 2 NH4NO3
Na2C2O4 + K2CrO4 + H2SO4 = Na2SO4 + Cr2(SO4)3 + CO2 + K2SO4 + H2O =>
3 Na2C2O4 + 2 K2CrO4 + 8 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 6 CO2 + 2 K2SO4 + 8 H2O
SiCl4 + Na2O = NaCl + SiO2 =>
SiCl4 + 2 Na2O = 4 NaCl + SiO2
CaCl2 + HCl = CaCl2HCl =>
CaCl2 + HCl = CaCl2HCl
Mg + O2 + H = Mg(OH)2 =>
Mg + O2 + 2 H = Mg(OH)2
[Cr(H2O)6]Cl3 = CrCl3 + H2O =>
[Cr(H2O)6]Cl3 = CrCl3 + 6 H2O
Fe + Ag(C2H3O2) = Ag + Fe(C2H3O2)2 =>
Fe + 2 Ag(C2H3O2) = 2 Ag + Fe(C2H3O2)2
Sr(NO3)2 + H2SO4 = SrSO4 + HNO3 =>
Sr(NO3)2 + H2SO4 = SrSO4 + 2 HNO3
Cu + HNO3 = Cu(NO3) + NO + H2O =>
3 Cu + 4 HNO3 = 3 Cu(NO3) + NO + 2 H2O
CaCO3 + KF = K2CO3 + CaF2 =>
CaCO3 + 2 KF = K2CO3 + CaF2
KI + FeCl3 = FeCl2 + I2 + KCl =>
2 KI + 2 FeCl3 = 2 FeCl2 + I2 + 2 KCl
H4B2O5 + Al(OH)3 = Al4(B2O5)3 + H2O =>
3 H4B2O5 + 4 Al(OH)3 = Al4(B2O5)3 + 12 H2O
H3PO4 + CO(NH2)2 = CO(NH2)2H3PO4 =>
H3PO4 + CO(NH2)2 = CO(NH2)2H3PO4
BaCO3 + NH4OH = Ba(OH)2 + (NH4)2CO3 =>
BaCO3 + 2 NH4OH = Ba(OH)2 + (NH4)2CO3
PCl5(l) + H2O(l) = H3PO4(aq) + HCl(g) =>
PCl5(l) + 4 H2O(l) = H3PO4(aq) + 5 HCl(g)
C2H7S2 + O2 = CO2 + H2O + SO2 =>
4 C2H7S2 + 23 O2 = 8 CO2 + 14 H2O + 8 SO2
Na2O2 + H2O2 = NaOH + O2 =>
Na2O2 + H2O2 = 2 NaOH + O2
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