| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2 + O2 = 2 H2O
NaHCO3 + H4C2O2 = NaH3C2O2 + H2CO3 =>
NaHCO3 + H4C2O2 = NaH3C2O2 + H2CO3
Pb(NO3)2 + Na3PO4 = PbPO4 + Na3(NO3)2 =>
Pb(NO3)2 + Na3PO4 = PbPO4 + Na3(NO3)2
K3PO4 + Cu(NO3)2 = KNO3 + Cu3(PO4)2 =>
2 K3PO4 + 3 Cu(NO3)2 = 6 KNO3 + Cu3(PO4)2
K + H2SO4 = K2SO4 + S + H2O =>
6 K + 4 H2SO4 = 3 K2SO4 + S + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeCl2 + H2SO4 = Fe2(SO4)3 + Cl2 + SO2 + H2O =>
2 FeCl2 + 6 H2SO4 = Fe2(SO4)3 + 2 Cl2 + 3 SO2 + 6 H2O
NaHCO3 + Mg = MgCO3 + Na + H =>
NaHCO3 + Mg = MgCO3 + Na + H
(SCN)2 + H2O = HSCN + H2SO4 + HCN =>
3(SCN)2 + 4 H2O = 5 HSCN + H2SO4 + HCN
H2SO4(aq) + Fe(NO3)3(aq) = Fe2(SO4)3 + HNO3(aq) =>
3 H2SO4(aq) + 2 Fe(NO3)3(aq) = Fe2(SO4)3 + 6 HNO3(aq)
Mg(NO3)2*6H2O + Al(NO3)3*9H2O + (HOOCCH)2C(OH)COOH = MgAl2O4 + H2O + N2 + CO2 =>
2 Mg(NO3)2*6H2O + 4 Al(NO3)3*9H2O + 5(HOOCCH)2C(OH)COOH = 2 MgAl2O4 + 63 H2O + 8 N2 + 30 CO2
Na(OH) + AgNO3 = NaNO3 + AgOH =>
Na(OH) + AgNO3 = NaNO3 + AgOH
FeSO4 + NH4OH = (Fe(NH3)6)SO4 + H2O =>
FeSO4 + 6 NH4OH = (Fe(NH3)6)SO4 + 6 H2O
S + SO2 = S2O2 =>
S + SO2 = S2O2
CO3Ca = CaO + CO2 =>
CO3Ca = CaO + CO2
Fe2O3 + Cl2 + OH{-} = FeO4{-2} + Cl{-} + H2O =>
Fe2O3 + 3 Cl2 + 10 OH{-} = 2 FeO4{-2} + 6 Cl{-} + 5 H2O
Zn + HCe = ZnCe2 + H2 =>
Zn + 2 HCe = ZnCe2 + H2
MnO2 + KOH = H2MnO4 + K2 =>
MnO2 + 2 KOH = H2MnO4 + K2
Se + BrF5 = SeF6 + BrF3 =>
Se + 3 BrF5 = SeF6 + 3 BrF3
C7H16 + Br2 = C7H14Br2 + H2 =>
C7H16 + Br2 = C7H14Br2 + H2
C7H6O2 + NaOH = C6H5COONa + H2O =>
C7H6O2 + NaOH = C6H5COONa + H2O
C3H6 + O2 = CO2H2O =>
2 C3H6 + 9 O2 = 6 CO2H2O
PbBr2 + Ag = Pb + AgBr =>
PbBr2 + 2 Ag = Pb + 2 AgBr
Zn(s) + HNO3 = Zn(NO3)2 + H2 =>
Zn(s) + 2 HNO3 = Zn(NO3)2 + H2
HgS + H2O2 = H2O + HgSO4 =>
HgS + 4 H2O2 = 4 H2O + HgSO4
Pb(s) + CuCl2(aq) = PbCl2(s) + Cu(aq) =>
Pb(s) + CuCl2(aq) = PbCl2(s) + Cu(aq)
Sn(OH)2 + KOH = K2[Sn(OH)4] =>
Sn(OH)2 + 2 KOH = K2[Sn(OH)4]
H2C2O4 + KMnO4 = CO2 + K2O + Mn2O3 + H2O =>
4 H2C2O4 + 2 KMnO4 = 8 CO2 + K2O + Mn2O3 + 4 H2O
KMnO4 + I2 = KI + MnO4 =>
2 KMnO4 + I2 = 2 KI + 2 MnO4
C2H4O2 = C3H6O + CO2 + H2O =>
2 C2H4O2 = C3H6O + CO2 + H2O
CoCl2 + Na2CO3 = CoCO3 + Na2Cl2 =>
CoCl2 + Na2CO3 = CoCO3 + Na2Cl2
H2O2 + NO = N2O3 + H2O =>
H2O2 + 2 NO = N2O3 + H2O
Sn(OH)4 = SnO2 + H2O =>
Sn(OH)4 = SnO2 + 2 H2O
Cu + NaOH = Cu(OH)2 + Na =>
Cu + 2 NaOH = Cu(OH)2 + 2 Na
TeO32{-} + N2O4 + H2O = Te + NO3{-} + H{+} =>
2 TeO32{-} + 63 N2O4 + 62 H2O = 2 Te + 126 NO3{-} + 124 H{+}
Cr2O7{-2} + H{+} + Al = Cr{+3} + Al{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 2 Al = 2 Cr{+3} + 2 Al{+3} + 7 H2O
SO4 + H2O = H2SO4 + O =>
SO4 + H2O = H2SO4 + O
Na + HNO3 = NaNO3 + NH3 + H2O =>
8 Na + 9 HNO3 = 8 NaNO3 + NH3 + 3 H2O
KCl + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + NaCl =>
2 KCl + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + 2 NaCl
Na2HPO4 + KOH = NaOH + K3PO4 + H2O =>
Na2HPO4 + 3 KOH = 2 NaOH + K3PO4 + H2O
Sc(OH)3 + HNO3 = Sc(NO3)3 + H2O =>
Sc(OH)3 + 3 HNO3 = Sc(NO3)3 + 3 H2O
K2CrO4(aq) + Pb(NO3)2 = PbCrO4 + KNO3 =>
K2CrO4(aq) + Pb(NO3)2 = PbCrO4 + 2 KNO3
FeSO4 + O2 + H2O = (FeOH)SO4 =>
4 FeSO4 + O2 + 2 H2O = 4(FeOH)SO4
Fe2O3 + NaOH + H2O = NaFe(OH)4 =>
Fe2O3 + 2 NaOH + 3 H2O = 2 NaFe(OH)4
Zn(NO3)2 + NH4SCN = Zn(SCN)2 + NH4NO3 =>
Zn(NO3)2 + 2 NH4SCN = Zn(SCN)2 + 2 NH4NO3
FeSO4 + Sr(NO3)2 = Fe(NO3)2 + SO4Sr =>
FeSO4 + Sr(NO3)2 = Fe(NO3)2 + SO4Sr
KI + K2CrO4 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + 2 K2CrO4 + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
CH3CH2COOH + Al = CH3CH2COOAl + H2 =>
2 CH3CH2COOH + 2 Al = 2 CH3CH2COOAl + H2
Fe + Ni(OH)2 = Ni + Fe(OH)3 =>
2 Fe + 3 Ni(OH)2 = 3 Ni + 2 Fe(OH)3
K2Cr2O7 + H2C2O4 + K2C2O4 = K3[Cr(C2O4)3]H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4 + 2 K2C2O4 = 2 K3[Cr(C2O4)3]H2O + 6 CO2 + 5 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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