| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 MnO4{-} + 3 H2O2 = 2 Mn{2+} + 4 O2 + 6 OH{-}
Cu + HClO4 = Cu(ClO4)2 + Cl2 + H2O =>
7 Cu + 16 HClO4 = 7 Cu(ClO4)2 + Cl2 + 8 H2O
H3PO4(aq) + CaCO3(aq) = Ca3(PO4)2(aq) + CO2(g) + H2O(l) =>
2 H3PO4(aq) + 3 CaCO3(aq) = Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l)
C4H8O2 + KMnO4 + H2SO4 = C4H6O3 + MnSO4 + K2SO4 + H2O =>
5 C4H8O2 + 4 KMnO4 + 6 H2SO4 = 5 C4H6O3 + 4 MnSO4 + 2 K2SO4 + 11 H2O
CuCl2 + HCl = HCu + Cl =>
CuCl2 + HCl = HCu + 3 Cl
CrCl2 + HNO3 = H2CrO4 + HClO4 + H2O + NO =>
3 CrCl2 + 20 HNO3 = 3 H2CrO4 + 6 HClO4 + 4 H2O + 20 NO
NO3 + H = NO + H2O =>
NO3 + 4 H = NO + 2 H2O
Ag(s) + Br2(l) = AgBr =>
2 Ag(s) + Br2(l) = 2 AgBr
HCO2Na + H2SO4 = Na2SO4 + HCOOH =>
2 HCO2Na + H2SO4 = Na2SO4 + 2 HCOOH
H2S + H2O = H3O + HS =>
H2S + H2O = H3O + HS
AgNO3 + Na(OH) = Ag(OH) + Na(NO3) =>
AgNO3 + Na(OH) = Ag(OH) + Na(NO3)
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + NaCl =>
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + 2 NaCl
Cr + HNO3 = Cr(NO3)3 + N2 + H2O =>
10 Cr + 36 HNO3 = 10 Cr(NO3)3 + 3 N2 + 18 H2O
H2S = H2 + S8 =>
8 H2S = 8 H2 + S8
CoCl2 + NH4SCN = (NH4)2[Co(SCN)4] + NH4Cl =>
CoCl2 + 4 NH4SCN = (NH4)2[Co(SCN)4] + 2 NH4Cl
Al4C3 + F2 = AlF3 + CF4 =>
Al4C3 + 12 F2 = 4 AlF3 + 3 CF4
Al2(SO4)3 + NaI = AlI3 + Na2(SO4) =>
Al2(SO4)3 + 6 NaI = 2 AlI3 + 3 Na2(SO4)
C2H4 + O2 + HCl = C2H4Cl2 + H2O =>
2 C2H4 + O2 + 4 HCl = 2 C2H4Cl2 + 2 H2O
CrCl2 + K2S = CrS + KCl =>
CrCl2 + K2S = CrS + 2 KCl
FeCl3 + NaOH = Fe(OH)3 + Na3(Cl)3 =>
FeCl3 + 3 NaOH = Fe(OH)3 + Na3(Cl)3
NaClO + Na2S2O3 + NaOH = Na2SO4 + NaCl + H2O =>
4 NaClO + Na2S2O3 + 2 NaOH = 2 Na2SO4 + 4 NaCl + H2O
HBr(g) = H(g) + Br2(g) =>
2 HBr(g) = 2 H(g) + Br2(g)
H2O2 + C6H8O7 = C2H2O4 + H2O =>
6 H2O2 + C6H8O7 = 3 C2H2O4 + 7 H2O
NaHS + O2 = Na2O + H2O + SO2 =>
2 NaHS + 3 O2 = Na2O + H2O + 2 SO2
K2CO3 + NiBr2 = K2Br2 + NiCO3 =>
K2CO3 + NiBr2 = K2Br2 + NiCO3
KI + Fe = KFe + I =>
KI + Fe = KFe + I
HOCl + NaOH = NaCl + H2O2 =>
HOCl + NaOH = NaCl + H2O2
Na + HClO3 = NaClO3 + NaCl + H2O =>
6 Na + 6 HClO3 = 5 NaClO3 + NaCl + 3 H2O
KBrO3 + H2S = H2SO4 + KBr =>
4 KBrO3 + 3 H2S = 3 H2SO4 + 4 KBr
CoCl2 + CH3COOH = Co(CH3COO)2 + HCl =>
CoCl2 + 2 CH3COOH = Co(CH3COO)2 + 2 HCl
MnO4{-} + SO2 + H2O = Mn{+2} + SO4{-2} + H{+} =>
2 MnO4{-} + 5 SO2 + 2 H2O = 2 Mn{+2} + 5 SO4{-2} + 4 H{+}
CaCO3 + HCH3CO2 = Ca(CH3CO2)2 + H2O + CO2 =>
CaCO3 + 2 HCH3CO2 = Ca(CH3CO2)2 + H2O + CO2
FeO + H2 = Fe + H2O =>
FeO + H2 = Fe + H2O
HCH3COOH + Ba = CH3COOBa + H2 =>
HCH3COOH + Ba = CH3COOBa + H2
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
AlCl3(aq) + Na2CO3(aq) = Al2(CO3)3(aq) + NaCl(s) =>
2 AlCl3(aq) + 3 Na2CO3(aq) = Al2(CO3)3(aq) + 6 NaCl(s)
CoCl2 + NH4SCN = Co(SCN)2 + NH4Cl =>
CoCl2 + 2 NH4SCN = Co(SCN)2 + 2 NH4Cl
KOH + O3 = KO3 + KOH(H2O) + O2 =>
6 KOH + 4 O3 = 4 KO3 + 2 KOH(H2O) + O2
CoCl2 + NH4Cl + NH3 + H2O2 = [CoCl(NH3)5]Cl2 + H2O =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2[CoCl(NH3)5]Cl2 + 2 H2O
KNO3 + H3PO4 = K3PO4 + HNO3 =>
3 KNO3 + H3PO4 = K3PO4 + 3 HNO3
CO + H2O + NO2 = C2H5N + O2 =>
8 CO + 10 H2O + 4 NO2 = 4 C2H5N + 13 O2
FeCl3 + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + KCl =>
3 FeCl3 + 3 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + 9 KCl
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
GaBr + Cl2 = GaCl + Br2 =>
2 GaBr + Cl2 = 2 GaCl + Br2
KOH + Co(NO3)2 = Co(OH)2 + KNO3 =>
2 KOH + Co(NO3)2 = Co(OH)2 + 2 KNO3
AlCl3 + CH3COONa + H2O = Al(OH)3 + CH3COOH + NaCl =>
AlCl3 + 3 CH3COONa + 3 H2O = Al(OH)3 + 3 CH3COOH + 3 NaCl
K2SiO3 + HBr = H2SiO3 + KBr =>
K2SiO3 + 2 HBr = H2SiO3 + 2 KBr
Kr + O2 = KrO2 =>
Kr + O2 = KrO2
SnBr2 + (NH4)3PO4 = Sn3(PO4)2 + NH4Br =>
3 SnBr2 + 2(NH4)3PO4 = Sn3(PO4)2 + 6 NH4Br
NH3 + OH = NO + H2O =>
NH3 + 5 OH = NO + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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