| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaHCO3 + CaCl2 + H2O = CaCO3 + NaOH + 2 HCl
C4H8H2O = C4H10O =>
C4H8H2O = C4H10O
CrCl3 + H2O + (NH4)2S2O8 = H2SO4 + NH4Cl + H2Cr2O7 =>
2 CrCl3 + 7 H2O + 3(NH4)2S2O8 = 6 H2SO4 + 6 NH4Cl + H2Cr2O7
ZnSO4 + NaOH = Zn(OH)2Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2Na2SO4
CuCl2 + KI + H2SO4 = HCl + K2SO4 + CuI2 =>
CuCl2 + 2 KI + H2SO4 = 2 HCl + K2SO4 + CuI2
MnBr2(aq) + K2S(aq) = MnS + KBr =>
MnBr2(aq) + K2S(aq) = MnS + 2 KBr
FeCl3 + KSCN + Zn = KCl + Fe + Zn(SCN)2 =>
2 FeCl3 + 6 KSCN + 3 Zn = 6 KCl + 2 Fe + 3 Zn(SCN)2
MnO4 + SO3{-2} = MnO2 + SO4{-2} =>
MnO4 + 2 SO3{-2} = MnO2 + 2 SO4{-2}
I2Cl6 = ICl3 =>
I2Cl6 = 2 ICl3
Cu[Fe(CN)6] + NH3 + K = Cu(NH3)4 + K4[Fe(CN)6] =>
Cu[Fe(CN)6] + 4 NH3 + 4 K = Cu(NH3)4 + K4[Fe(CN)6]
HCl + HNO3 = HClO + NO + HO =>
HCl + HNO3 = HClO + NO + HO
Cu(HCO3)2(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) + CO2(g) =>
Cu(HCO3)2(s) + H2SO4(aq) = CuSO4(aq) + 2 H2O(l) + 2 CO2(g)
KMnO4 + H2SO4 + KBr = K2SO4 + Br2 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KBr = 6 K2SO4 + 5 Br2 + 2 MnSO4 + 8 H2O
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
FeCl3 + NH4SCN + HF = NH4Cl + (NH4)3[FeF6] + HSCN =>
FeCl3 + 6 NH4SCN + 6 HF = 3 NH4Cl + (NH4)3[FeF6] + 6 HSCN
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
ZnO + NaOH + H2O = Na2(Zn(OH)4) =>
ZnO + 2 NaOH + H2O = Na2(Zn(OH)4)
SO2 + CuOH = CuSO3 + H2 =>
2 SO2 + 2 CuOH = 2 CuSO3 + H2
NaOH + SO2 = NaO2 + OHS =>
NaOH + SO2 = NaO2 + OHS
K2SO3 = K2SO4 + K2S =>
4 K2SO3 = 3 K2SO4 + K2S
FeOHBr = FeBrHO =>
FeOHBr = FeBrHO
KMnO4 + NaOH + KI = K2MnO4 + KIO3 + H2O + Na2MnO4 =>
6 KMnO4 + 6 NaOH + KI = 3 K2MnO4 + KIO3 + 3 H2O + 3 Na2MnO4
Pb(NO3)2(aq) + KSO4(aq) = PbSO4(s) + K(NO3)2(aq) =>
Pb(NO3)2(aq) + KSO4(aq) = PbSO4(s) + K(NO3)2(aq)
S + Zn3N2 = N + ZnS =>
3 S + Zn3N2 = 2 N + 3 ZnS
HCl + HI = H2 + Cl2I =>
4 HCl + 2 HI = 3 H2 + 2 Cl2I
K2(Cr2O7) + (NH4)CN = KCN + (NH4)2(Cr2O7) =>
K2(Cr2O7) + 2(NH4)CN = 2 KCN + (NH4)2(Cr2O7)
C1999H4000 + O2 = CO2 + H2O =>
C1999H4000 + 2999 O2 = 1999 CO2 + 2000 H2O
TiCl4 + HNO3 = TiO(NO3)2 + NO2 + Cl2 + H2O =>
TiCl4 + 6 HNO3 = TiO(NO3)2 + 4 NO2 + 2 Cl2 + 3 H2O
NH4Cl + ZnO = ZnCl2 + NH3 + H2O =>
2 NH4Cl + ZnO = ZnCl2 + 2 NH3 + H2O
NiBr2 + KOH = Ni(OH)2 + Br2K2 =>
NiBr2 + 2 KOH = Ni(OH)2 + Br2K2
Na2B4O7HCl = NaClNaHB4O7 =>
Na2B4O7HCl = NaClNaHB4O7
PbSO4 + Na3P = Pb3P2 + Na2SO4 =>
3 PbSO4 + 2 Na3P = Pb3P2 + 3 Na2SO4
Y2O3 + TiO2 = Y2Ti2O7 =>
Y2O3 + 2 TiO2 = Y2Ti2O7
CO*O = CO2 =>
CO*O = CO2
FePO4 + HBr = FeBr3 + H3PO4 =>
FePO4 + 3 HBr = FeBr3 + H3PO4
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
NH4SCN + FeCl3 = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN + FeCl3 = 3 NH3 + 3 HCl + Fe(SCN)3
Y2O3 + TiO2 = Y2Ti2O7 =>
Y2O3 + 2 TiO2 = Y2Ti2O7
KAl(SO4)2 + NaOH = Na3[Al(OH)6] + K2SO4 + Na2SO4 =>
2 KAl(SO4)2 + 12 NaOH = 2 Na3[Al(OH)6] + K2SO4 + 3 Na2SO4
Na2Cr2O7 + Pb(NO3)2 + H2O = PbCrO4 + NaNO3 + HNO3 =>
Na2Cr2O7 + 2 Pb(NO3)2 + H2O = 2 PbCrO4 + 2 NaNO3 + 2 HNO3
NaOH + SO2 = NaO2 + OHS =>
NaOH + SO2 = NaO2 + OHS
Cu3(PO4)2 + Mn2(SO3)3 = MnPO4 + CuSO3 =>
Cu3(PO4)2 + Mn2(SO3)3 = 2 MnPO4 + 3 CuSO3
Ca + (OH)2 + NH4Cl = NH3 + CaCl2 + H2O =>
Ca + (OH)2 + 2 NH4Cl = 2 NH3 + CaCl2 + 2 H2O
MgO(s) + SiO2(s) = MgSiO3(s) =>
MgO(s) + SiO2(s) = MgSiO3(s)
Al2(SO4)3 + Ba(C2H3O2)2 = Al(C2H3O2)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 BaSO4
Ca2Si + H2O = Ca(OH)2 + SiH4 =>
Ca2Si + 4 H2O = 2 Ca(OH)2 + SiH4
Mg{+4} + Cl{+2} = {+} + MgCl =>
Mg{+4} + Cl{+2} = 6{+} + MgCl
Mn2O7 = Mn + O2 =>
2 Mn2O7 = 4 Mn + 7 O2
NaOH + SO2 = NaO2 + OHS =>
NaOH + SO2 = NaO2 + OHS
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/13/24
Équations équilibrées sur12/13/23
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