| Équations équilibrées la veille | Équations équilibrées le lendemain |
9 C4H8 + 8 K2Cr2O7 + 32 H2SO4 = 12 C3H6O2 + 8 K2SO4 + 8 Cr2(SO4)3 + 32 H2O
H2SO4 + e = H2 + SO4{2-} =>
H2SO4 + 2e = H2 + SO4{2-}
C12H22O11(s) + H2O(l) = C6H12O6(s) =>
C12H22O11(s) + H2O(l) = 2 C6H12O6(s)
H2S + O2 + Fe = FeS + H2O =>
2 H2S + O2 + 2 Fe = 2 FeS + 2 H2O
K2CrO4 + HCl + HgCl = KCl + CrCl3 + H2O + HgCl2 =>
K2CrO4 + 8 HCl + 3 HgCl = 2 KCl + CrCl3 + 4 H2O + 3 HgCl2
Co(OH)3 + H2SO4 = CoSO3 + O + H2O =>
2 Co(OH)3 + 2 H2SO4 = 2 CoSO3 + 3 O + 5 H2O
C + N2 + O2 + H2 = NH2CH(CH3)COOH =>
6 C + N2 + 2 O2 + 7 H2 = 2 NH2CH(CH3)COOH
Cr2O3 + CCl4 = CrCl3 + COCl2 =>
Cr2O3 + 3 CCl4 = 2 CrCl3 + 3 COCl2
(CH3)2NH2 + H3PO4 = (CH3)2NH3 + PO4 =>
3(CH3)2NH2 + H3PO4 = 3(CH3)2NH3 + PO4
Fe(OH)3 + H2SnO3 = Fe2(SnO3)3 + H2O =>
2 Fe(OH)3 + 3 H2SnO3 = Fe2(SnO3)3 + 6 H2O
Zn + KOH + KNO3 + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + 7 KOH + KNO3 + 6 H2O = 4 K2[Zn(OH)4] + NH3
NaPO4 + CoCl2 = NaCl2 + Co(PO4) =>
NaPO4 + CoCl2 = NaCl2 + Co(PO4)
Ca{2+} + SO4{-2} = CaSO4 =>
Ca{2+} + SO4{-2} = CaSO4
Fe + Pb(NO3)2 = Fe(NO3)3 + Pb =>
2 Fe + 3 Pb(NO3)2 = 2 Fe(NO3)3 + 3 Pb
(NH4)2S + Ba(NO3)2 = (NH4)NO3 + BaS =>
(NH4)2S + Ba(NO3)2 = 2(NH4)NO3 + BaS
C6H6O3S + NaOH = C6H5O3SNa + H2O =>
C6H6O3S + NaOH = C6H5O3SNa + H2O
Cl2(g) + NaBr(s) = NaCl(s) + Br2(l) =>
Cl2(g) + 2 NaBr(s) = 2 NaCl(s) + Br2(l)
Li + MnO2 = MnOOLi =>
Li + MnO2 = MnOOLi
ReO2 = ReO7 + Re =>
7 ReO2 = 2 ReO7 + 5 Re
Fe2Cl2 + NaNO3 + HCl = FeCl3 + NaCl + H2O + NO =>
3 Fe2Cl2 + 4 NaNO3 + 16 HCl = 6 FeCl3 + 4 NaCl + 8 H2O + 4 NO
Cu(OH)2 + NO2 = Cu(NO3)2 + H2 =>
Cu(OH)2 + 2 NO2 = Cu(NO3)2 + H2
Cr2O3 + CCl4 = CrCl3 + COCl2 =>
Cr2O3 + 3 CCl4 = 2 CrCl3 + 3 COCl2
HCl + Fe(OH)3 = FeCl3 + H2O =>
3 HCl + Fe(OH)3 = FeCl3 + 3 H2O
PbCO3 + HCl = PbCl2 + H2CO3 =>
PbCO3 + 2 HCl = PbCl2 + H2CO3
Zn(HCO3)2 = ZnCO3 + H2O + CO2 =>
Zn(HCO3)2 = ZnCO3 + H2O + CO2
Fe(NO3)2 + K3Fe(CN)6 = Fe3(Fe(CN)6)2 + KNO3 =>
3 Fe(NO3)2 + 2 K3Fe(CN)6 = Fe3(Fe(CN)6)2 + 6 KNO3
Pb(NO3)2 + KI = KN + PbI2 + O2 =>
Pb(NO3)2 + 2 KI = 2 KN + PbI2 + 3 O2
Cs(s) + HCl(aq) = CsCl2(aq) + H2(g) =>
Cs(s) + 2 HCl(aq) = CsCl2(aq) + H2(g)
NH4NO3 = (N2O)2 + H2O =>
2 NH4NO3 = (N2O)2 + 4 H2O
KMnO4 + HCl = O2 + MnCl2 + KCl + H2O =>
4 KMnO4 + 12 HCl = 5 O2 + 4 MnCl2 + 4 KCl + 6 H2O
AlF3 + H2SO4 = Al2(SO4)3 + HF =>
2 AlF3 + 3 H2SO4 = Al2(SO4)3 + 6 HF
SO3{2-} + H2O = SO4{2-} + H{+} + e =>
SO3{2-} + H2O = SO4{2-} + 2 H{+} + 2e
FeSO4 + (NH4)S2O8 = Fe2(SO4)3 + (NH4)2SO4 =>
6 FeSO4 + 2(NH4)S2O8 = 3 Fe2(SO4)3 + (NH4)2SO4
(NH4)2Fe(SO4)2 + Na2CO3 = Na2SO4 + (NH4)2FeCO3 + SO4 =>
(NH4)2Fe(SO4)2 + Na2CO3 = Na2SO4 + (NH4)2FeCO3 + SO4
HNO3 + KOH = KNO3H2O =>
HNO3 + KOH = KNO3H2O
MgO + HI = MgI2 + H2O =>
MgO + 2 HI = MgI2 + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Au + HBr = AuBr + H =>
Au + HBr = AuBr + H
CH3CH2OH + SO4{-2} + H{+} = CO2 + H2S + H2O =>
2 CH3CH2OH + 3 SO4{-2} + 6 H{+} = 4 CO2 + 3 H2S + 6 H2O
CuCl2 + NH3 + H2O = Cu(NH3)4(H2O)2{2+} + NH4Cl + OH{-} =>
CuCl2 + 6 NH3 + 4 H2O = Cu(NH3)4(H2O)2{2+} + 2 NH4Cl + 2 OH{-}
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
KBr + (NH4)2CO3 = CO2 + HBr + K2O + NH3 =>
2 KBr + (NH4)2CO3 = CO2 + 2 HBr + K2O + 2 NH3
Al + P(SO4)3 = Al2(SO4)6 + P2 =>
2 Al + 2 P(SO4)3 = Al2(SO4)6 + P2
ZnFe2(C2O4)4 = ZnFe2O4 + CO2 + CO =>
ZnFe2(C2O4)4 = ZnFe2O4 + 4 CO2 + 4 CO
Ca(OH)2 + HBrO = CaOHBrO + H2O =>
Ca(OH)2 + HBrO = CaOHBrO + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
Cu2S + 14 HNO3 = 2 Cu(NO3)2 + H2SO4 + 10 NO2 + 6 H2O
Zn + Pb(C2H4O2)4 = Zn(C2H4O2)2 + Pb =>
2 Zn + Pb(C2H4O2)4 = 2 Zn(C2H4O2)2 + Pb
CH2O + Cr2O7{2-} + H{+} = CO2 + Cr{3} + H2O =>
3 CH2O + 2 Cr2O7{2-} + 16 H{+} = 3 CO2 + 4 Cr{3} + 11 H2O
HClO3 = HClO4 + ClO2 + H2O =>
3 HClO3 = HClO4 + 2 ClO2 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/14/24
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