| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CrSO4 + 2(NH4)2S = Cr2S2 + 2(NH4)2SO4
KMnO4 + H2SO4 + Cu = Cu(OH)2 + MnO2 + KOH + SO4 =>
2 KMnO4 + 2 H2SO4 + Cu = Cu(OH)2 + 2 MnO2 + 2 KOH + 2 SO4
NaCr(OH)4 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 NaCr(OH)4 + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
NaVO3 + SO2 + H2SO4 = V(SO4)2 + Na2SO4 + H2O =>
2 NaVO3 + SO2 + 4 H2SO4 = 2 V(SO4)2 + Na2SO4 + 4 H2O
CH3COOH + NaOH = H2O + NaCH3COO =>
CH3COOH + NaOH = H2O + NaCH3COO
CO(NH2)2(aq) + HOCl(aq) = NCl3(aq) + CO2(aq) + H2O(l) =>
CO(NH2)2(aq) + 6 HOCl(aq) = 2 NCl3(aq) + CO2(aq) + 5 H2O(l)
H3BO3 + CaO = Ca3(BO3)2 + H2O =>
2 H3BO3 + 3 CaO = Ca3(BO3)2 + 3 H2O
CH3COOH + NaOH = H2O + NaCH3COO =>
CH3COOH + NaOH = H2O + NaCH3COO
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Fe3C + HNO3 = Fe(NO3)3 + CO2 + NO + H2O =>
3 Fe3C + 40 HNO3 = 9 Fe(NO3)3 + 3 CO2 + 13 NO + 20 H2O
HJO3 + H2S = S + J2 + H2O =>
2 HJO3 + 5 H2S = 5 S + J2 + 6 H2O
CaBr2*Na2CO3 = CaCO3 + NaBr =>
CaBr2*Na2CO3 = CaCO3 + 2 NaBr
H4Cl4 + NaOH = H2O + NaCl =>
H4Cl4 + 4 NaOH = 4 H2O + 4 NaCl
Ca3(PO4)2(s) + SiO2(s) + C(s) = P4(g) + CaSiO3(l) + CO(g) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C(s) = P4(g) + 6 CaSiO3(l) + 10 CO(g)
Mg + CuCl{-2} = MgCl{-2} + Cu =>
Mg + CuCl{-2} = MgCl{-2} + Cu
CaH2 + NaOH = Ca(OH)2 + NaH =>
CaH2 + 2 NaOH = Ca(OH)2 + 2 NaH
NaH2PO4 + CaCl2 = Ca3(PO4)2 + NaCl + HCl =>
2 NaH2PO4 + 3 CaCl2 = Ca3(PO4)2 + 2 NaCl + 4 HCl
KFeO2 + KNO3 + KOH = K2FeO4 + KNO2 + H2O =>
2 KFeO2 + 3 KNO3 + 2 KOH = 2 K2FeO4 + 3 KNO2 + H2O
P4 + H2O + CuSO4 = H3PO4 + Cu + H2SO4 =>
P4 + 16 H2O + 10 CuSO4 = 4 H3PO4 + 10 Cu + 10 H2SO4
Ni + NaOH + H2O = Na[Ni(OH)4] + H2 =>
2 Ni + 2 NaOH + 6 H2O = 2 Na[Ni(OH)4] + 3 H2
KMnO4 + HCHO + NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O =>
2 KMnO4 + HCHO + 2 NaOH = HCOOH + K2MnO4 + Na2MnO4 + H2O
(NH4)2HPO4 + Zn(NO3)2 + NH4OH = Zn3(PO4)2 + NH4NO3 + H2O =>
2(NH4)2HPO4 + 3 Zn(NO3)2 + 2 NH4OH = Zn3(PO4)2 + 6 NH4NO3 + 2 H2O
HF + NaS = H2S + NaF2 =>
2 HF + NaS = H2S + NaF2
Zn + CaCl2 = ZnCa + Cl2 =>
Zn + CaCl2 = ZnCa + Cl2
Al(NO3)3 + (NH4)2HPO4 = AlPO4 + HNO3 + NH3 =>
Al(NO3)3 + (NH4)2HPO4 = AlPO4 + 3 HNO3 + 2 NH3
KCrO2 + H2O2 = K2Cr2O7 + H2 =>
4 KCrO2 + 3 H2O2 = 2 K2Cr2O7 + 3 H2
Fe2O3 + (C) = Fe + (CO) =>
Fe2O3 + 3(C) = 2 Fe + 3(CO)
Pb(OH)2 + H2CO3 = PbCO3 + HOH =>
Pb(OH)2 + H2CO3 = PbCO3 + 2 HOH
Cr(O2)4{-3} + H{+} = HCrO2(O2)2{-} + O2 + H2O =>
4 Cr(O2)4{-3} + 8 H{+} = 4 HCrO2(O2)2{-} + 3 O2 + 2 H2O
Ca(NO3)2(s) + Na2SO4 = CaSO4 + NaNO3 =>
Ca(NO3)2(s) + Na2SO4 = CaSO4 + 2 NaNO3
BrCl + NH3 = NBr3 + NH4Cl =>
3 BrCl + 4 NH3 = NBr3 + 3 NH4Cl
Mg2Si + H2O = Mg(OH)2 + SiH4 =>
Mg2Si + 4 H2O = 2 Mg(OH)2 + SiH4
KMnO4 + H2SO4 + Cu = Cu(OH)2 + MnO2 + KOH + SO4 =>
2 KMnO4 + 2 H2SO4 + Cu = Cu(OH)2 + 2 MnO2 + 2 KOH + 2 SO4
H3PO4 + Ag2SO4 = Ag3PO4 + H2SO4 =>
2 H3PO4 + 3 Ag2SO4 = 2 Ag3PO4 + 3 H2SO4
NaCr(OH)4 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 NaCr(OH)4 + 3 Br2 + 8 NaOH = 2 Na2CrO4 + 6 NaBr + 8 H2O
{238}U{92} = {239}U{92} =>
239{238}U{92} = 238{239}U{92}
AgNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + AgOH(aq) =>
2 AgNO3(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + 2 AgOH(aq)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Br2 + Mn = MnBr6 =>
3 Br2 + Mn = MnBr6
Fe(OH)3 + KMnO4 = Fe(MnO4)3 + KOH =>
Fe(OH)3 + 3 KMnO4 = Fe(MnO4)3 + 3 KOH
H3SbO4 + KOH = K3SbO4 + H2O =>
H3SbO4 + 3 KOH = K3SbO4 + 3 H2O
CoS + O2 = CoO + SO2 =>
2 CoS + 3 O2 = 2 CoO + 2 SO2
Sr(OH)2 + Al + H2O = H2 + Sr(Al(OH)4)2 =>
Sr(OH)2 + 2 Al + 6 H2O = 3 H2 + Sr(Al(OH)4)2
MgSO4*7H2O + HCl = MgCl2 + SO3 + H2O =>
MgSO4*7H2O + 2 HCl = MgCl2 + SO3 + 8 H2O
CaO + KI = K2O + CaI2 =>
CaO + 2 KI = K2O + CaI2
S8 + O2 = SSSO3 =>
3 S8 + 12 O2 = 8 SSSO3
Al + H2O + KOH = K(Al(OH)4) + H2(g) =>
2 Al + 6 H2O + 2 KOH = 2 K(Al(OH)4) + 3 H2(g)
K2SO3 + KIO3 + H2SO4 = K2SO4 + I2 + H2O =>
5 K2SO3 + 2 KIO3 + H2SO4 = 6 K2SO4 + I2 + H2O
AgCl + HClO4 = AgClO4 + HCl =>
AgCl + HClO4 = AgClO4 + HCl
Fe3O2 + CaO2 = Fe + Ca(O2)2 =>
Fe3O2 + CaO2 = 3 Fe + Ca(O2)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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