| Équations équilibrées la veille |
KCO3 + H2SO4 = KSO4 + CO2 + H2O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Al + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Al2(SO4)3 + K2SO4 + H2O =>
2 Al + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + Al2(SO4)3 + K2SO4 + 7 H2O
Cu + HNO3 = H2O + NO2 + Cu(NO3) =>
Cu + 2 HNO3 = H2O + NO2 + Cu(NO3)
Cr2O72{-} + Cl{-} + H3O{+} = Cr3{+} + Cl2 + H2O =>
6 Cr2O72{-} + 854 Cl{-} + 864 H3O{+} = 4 Cr3{+} + 427 Cl2 + 1296 H2O
FeCl3 + Zn(s) = Fe(s) + ZnCl2(aq) =>
2 FeCl3 + 3 Zn(s) = 2 Fe(s) + 3 ZnCl2(aq)
FeSO4 + NaNO2 + H2SO4 = Fe2(SO4)3 + H2O + NO + Na2SO4 =>
2 FeSO4 + 2 NaNO2 + 2 H2SO4 = Fe2(SO4)3 + 2 H2O + 2 NO + Na2SO4
NH4O + O2 = NH4O2 =>
2 NH4O + O2 = 2 NH4O2
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CsOH = Cs + OH =>
CsOH = Cs + OH
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
Ti(OH)4 + NaOH = Na2TiO3 + H2O =>
Ti(OH)4 + 2 NaOH = Na2TiO3 + 3 H2O
Mg + HCl = Mg({2+}) + Cl({-}) + H2 =>
Mg + 2 HCl = Mg({2+}) + 2 Cl({-}) + H2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
KClO3 + C6H12O6 = KCl + CO3 + H2O =>
6 KClO3 + C6H12O6 = 6 KCl + 6 CO3 + 6 H2O
C3H6 + Br = C3H6Br2 =>
C3H6 + 2 Br = C3H6Br2
Ca(NO3)2 + PbSO4 = CaSO4 + Pb(NO3)2 =>
Ca(NO3)2 + PbSO4 = CaSO4 + Pb(NO3)2
CrCl3 + NaBiO3 + NaOH = Na2CrO4 + BiOCl + NaCl + H2O =>
2 CrCl3 + 3 NaBiO3 + 4 NaOH = 2 Na2CrO4 + 3 BiOCl + 3 NaCl + 2 H2O
H4SbH2O5 + Hf(OH)4 = Hf(SbH2O5) + H2O =>
H4SbH2O5 + Hf(OH)4 = Hf(SbH2O5) + 4 H2O
Pb(NO3)2 + (NH4)Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2 + 2(NH4)Cl = PbCl2 + 2 NH4NO3
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co =>
Mg(s) + Co(NO3)2 = Mg(NO3)2 + Co
Sr(NO3)2 + Na2SO4 = NaNO3 + SrSO4 =>
Sr(NO3)2 + Na2SO4 = 2 NaNO3 + SrSO4
NH = N + H2 =>
2 NH = 2 N + H2
Zn(OH)2 + CaCl2 = Ca(OH)2 + ZnCl2 =>
Zn(OH)2 + CaCl2 = Ca(OH)2 + ZnCl2
CuCo3 + NaOH = Cu(OH)2 + Na2Co3 =>
CuCo3 + 2 NaOH = Cu(OH)2 + Na2Co3
AgNO3 + H2CO3 = Ag2CO3 + HNO3 =>
2 AgNO3 + H2CO3 = Ag2CO3 + 2 HNO3
Cu + HCl + KClO3 = H2[CuCl4] + KCl + H2O =>
3 Cu + 12 HCl + KClO3 = 3 H2[CuCl4] + KCl + 3 H2O
Fe2O3 + MgCO3 = Mg(FeO2)2 + CO2 =>
Fe2O3 + MgCO3 = Mg(FeO2)2 + CO2
H2O = HOHHOHHOH =>
3 H2O = HOHHOHHOH
HCl(aq) + ZnS(s) = ZnCl2(aq) + H2S(g) =>
2 HCl(aq) + ZnS(s) = ZnCl2(aq) + H2S(g)
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Pd + H3BO3 = H2 + Pd3(BO3)2 =>
3 Pd + 2 H3BO3 = 3 H2 + Pd3(BO3)2
C6H6ClN + HCl = C6H7Cl2N =>
C6H6ClN + HCl = C6H7Cl2N
BrOH + H2SO4 = Br2SO4 + H2O =>
2 BrOH + H2SO4 = Br2SO4 + 2 H2O
Ca(NO3)2 + Na2CO3 + HCl = CaCO3 + NaHNO3 + Cl =>
Ca(NO3)2 + Na2CO3 + 2 HCl = CaCO3 + 2 NaHNO3 + 2 Cl
Na2SO3 + NH4Cl = NaCl + (NH4)2SO3 =>
Na2SO3 + 2 NH4Cl = 2 NaCl + (NH4)2SO3
H2C6H6O6 + KOH = H2O + HC6H6O6K =>
H2C6H6O6 + KOH = H2O + HC6H6O6K
C6H5COONH4 + NaOH = C6H5COONa + NH3 + H2O =>
C6H5COONH4 + NaOH = C6H5COONa + NH3 + H2O
Cu(OH)2 + C6H5COOH = (C6H5COO)2Cu + H2O =>
Cu(OH)2 + 2 C6H5COOH = (C6H5COO)2Cu + 2 H2O
Mg + H2CO = MgH2CO =>
Mg + H2CO = MgH2CO
Al(H2O)6 + HCO3 = H2O + CO2 + Al(OH)5(OH) =>
Al(H2O)6 + 6 HCO3 = 6 H2O + 6 CO2 + Al(OH)5(OH)
KOH + (NH4)2CrO4 = K2CrO4 + NH4OH =>
2 KOH + (NH4)2CrO4 = K2CrO4 + 2 NH4OH
Cr2(SO4)3 + NaOH + Cl2 = NaCl + Na2SO4 + Na2CrO4 + H2O =>
Cr2(SO4)3 + 16 NaOH + 3 Cl2 = 6 NaCl + 3 Na2SO4 + 2 Na2CrO4 + 8 H2O
KOH(aq) + H3PO4(aq) = K3PO4(aq) + H2O(l) =>
3 KOH(aq) + H3PO4(aq) = K3PO4(aq) + 3 H2O(l)
SnS + HCl + HNO3 = SnCl + S + NO + H2O =>
3 SnS + 3 HCl + HNO3 = 3 SnCl + 3 S + NO + 2 H2O
KI + H2SO4 + H2O2 = H2O + I2 + K2SO4 =>
2 KI + H2SO4 + H2O2 = 2 H2O + I2 + K2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H3NaO2 + H2SO4 = C2H4O2 + Na2SO4 =>
2 C2H3NaO2 + H2SO4 = 2 C2H4O2 + Na2SO4
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