| Équations équilibrées la veille | Équations équilibrées le lendemain |
NH4ClO4 + H2O = NH4 + OH + HClO4
K2Cr2O7 + H2O + S = SO4 + K(OH) + Cr2O3 =>
4 K2Cr2O7 + 4 H2O + 3 S = 3 SO4 + 8 K(OH) + 4 Cr2O3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
K2C2O4 + H2C2O4 + K2Cr2O7 = CO2 + H2O + K3[Cr(C2O4)3] =>
2 K2C2O4 + 7 H2C2O4 + K2Cr2O7 = 6 CO2 + 7 H2O + 2 K3[Cr(C2O4)3]
NaCO3 + MgSO4 = MgCO3 + NaSO4 =>
NaCO3 + MgSO4 = MgCO3 + NaSO4
HI + NaCl = HICl + Na =>
HI + NaCl = HICl + Na
I2(s) + Cl(aq) = ICl4(s) =>
I2(s) + 8 Cl(aq) = 2 ICl4(s)
KMnO4 + Na2S2O5 = MnO2 + Na2SO4 + K2O + SO2 =>
2 KMnO4 + 3 Na2S2O5 = 2 MnO2 + 3 Na2SO4 + K2O + 3 SO2
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
Al{3+} + SO4{2-} + Ca = CaSO4 + Al =>
2 Al{3+} + 3 SO4{2-} + 3 Ca = 3 CaSO4 + 2 Al
PbO + B2O3 + TeO2 + Sm2O3 = PbOB2O3TeO2Sm2O3 =>
PbO + B2O3 + TeO2 + Sm2O3 = PbOB2O3TeO2Sm2O3
H2SO4 + SO2 = H2(SO3)2 =>
H2SO4 + SO2 = H2(SO3)2
NH2OH = N2 + NH3 + H2O =>
3 NH2OH = N2 + NH3 + 3 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Sb{3+} + BrO{3-} + H2O = SbO4{3-} + Br{-} + H2 =>
Sb{3+} + 3 BrO{3-} + H2O = SbO4{3-} + 3 Br{-} + H2
Pt + HBr = PtBr2 + H2 =>
Pt + 2 HBr = PtBr2 + H2
SnS + K2S + O2 + H2O = K2SnS3 + K2Sn(OH)6 =>
6 SnS + 6 K2S + 3 O2 + 6 H2O = 4 K2SnS3 + 2 K2Sn(OH)6
C4H3 + O2 = CO2 + H2O =>
4 C4H3 + 19 O2 = 16 CO2 + 6 H2O
Pb(NO3)2(aq) + NaOH(aq) = NaNO3(aq) + Pb(OH)2(l) =>
Pb(NO3)2(aq) + 2 NaOH(aq) = 2 NaNO3(aq) + Pb(OH)2(l)
PO4{3-}{-} + AgNO3 = Ag3PO4 + NO3{-} =>
PO4{3-}{-} + 3 AgNO3 = Ag3PO4 + 3 NO3{-}
Ca(OH)2 + Mg = Mg(OH)2 + Ca =>
Ca(OH)2 + Mg = Mg(OH)2 + Ca
C2O4{2-} + KMnO4 + H{+} = K{+} + Mn{2+} + H2O + CO2 =>
5 C2O4{2-} + 2 KMnO4 + 16 H{+} = 2 K{+} + 2 Mn{2+} + 8 H2O + 10 CO2
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
CH3CH(CH3)CHO + KMnO4 + KOH = CH3CH(CH3)COOK + K2MnO4 + H2O =>
CH3CH(CH3)CHO + 2 KMnO4 + 3 KOH = CH3CH(CH3)COOK + 2 K2MnO4 + 2 H2O
CuCl + H2S = HCl + Cu2S =>
2 CuCl + H2S = 2 HCl + Cu2S
CuSO4(aq) + KOH(aq) = Cu(OH)2(aq) + K2SO4(s) =>
CuSO4(aq) + 2 KOH(aq) = Cu(OH)2(aq) + K2SO4(s)
OO = O2 =>
OO = O2
MnO2 + C6H8O6 + H2SO4 = MnSO4 + CO2 + H2O =>
10 MnO2 + C6H8O6 + 10 H2SO4 = 10 MnSO4 + 6 CO2 + 14 H2O
HCN + O2 = N2 + CO2 + H2O =>
4 HCN + 5 O2 = 2 N2 + 4 CO2 + 2 H2O
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
(NH4)2CO3 + NiCl2 = NH4Cl + NiCO3 =>
(NH4)2CO3 + NiCl2 = 2 NH4Cl + NiCO3
Zn + HNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + HNO3 + 8 NaOH = 4 Na2ZnO2 + NH3 + 3 H2O
Sr(HCO3)2 + H2O = SrO + H2CO3 =>
Sr(HCO3)2 + H2O = SrO + 2 H2CO3
KCNO + K2Cr2O7 + H2SO4 = CO2 + NO2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KCNO + 7 K2Cr2O7 + 31 H2SO4 = 6 CO2 + 6 NO2 + 7 Cr2(SO4)3 + 10 K2SO4 + 31 H2O
(NH4)3PO4 + Fe(OH)3 = Fe3(PO4)3 + NH4OH =>
3(NH4)3PO4 + 3 Fe(OH)3 = Fe3(PO4)3 + 9 NH4OH
Au2O3 + HCl = AuCl3 + H2O =>
Au2O3 + 6 HCl = 2 AuCl3 + 3 H2O
KOH + O2 = KO2 + H2O =>
4 KOH + 3 O2 = 4 KO2 + 2 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2 =>
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2
Si(NO3)4 + Ge = Ge(NO3)4 + Si =>
Si(NO3)4 + Ge = Ge(NO3)4 + Si
Au3P + AuCl3 + H2O = H3PO4 + Au + HCl =>
3 Au3P + 5 AuCl3 + 12 H2O = 3 H3PO4 + 14 Au + 15 HCl
CH3NH2 + HCl = CH3NH2*HCl =>
CH3NH2 + HCl = CH3NH2*HCl
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
C2H4O + Ag{+} + OH{-} = C2H4O2 + Ag + H2O =>
C2H4O + 2 Ag{+} + 2 OH{-} = C2H4O2 + 2 Ag + H2O
Cd(NH3)4{2} + H2S + H{+} = CdS + NH4{+} =>
Cd(NH3)4{2} + H2S + 2 H{+} = CdS + 4 NH4{+}
Al3 + MnO = Al2O3 + Mn2 =>
4 Al3 + 18 MnO = 6 Al2O3 + 9 Mn2
Fe(NO3)2 + Cl2 = Fe(NO3)3 + FeCl3 =>
6 Fe(NO3)2 + 3 Cl2 = 4 Fe(NO3)3 + 2 FeCl3
BaCl2 + SO2 + H2O + Cl2 = HCl + BaSO4 =>
BaCl2 + SO2 + 2 H2O + Cl2 = 4 HCl + BaSO4
Cr(s) + NiSO4(aq) = Cr(SO4)3(aq) + Ni(s) =>
Cr(s) + 3 NiSO4(aq) = Cr(SO4)3(aq) + 3 Ni(s)
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Équations équilibrées sur04/21/25
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