| Équations équilibrées la veille |
HNO3 + H2O = H3O + NO3
KClO3(cr) = KCl(cr) + O2 =>
2 KClO3(cr) = 2 KCl(cr) + 3 O2
Al(HSO3)3 = Al2(SO3)3 + SO2 + H2O =>
2 Al(HSO3)3 = Al2(SO3)3 + 3 SO2 + 3 H2O
Na{+} + Fe = Na + Fe{2+} =>
2 Na{+} + Fe = 2 Na + Fe{2+}
Pb(s) + H2SO4 = PbSO4 + H2 =>
Pb(s) + H2SO4 = PbSO4 + H2
C8H6O4 + CH4N2O + CuCl2 = C32H16CuN8 + H2O + CO2 + HCl =>
61 C8H6O4 + 60 CH4N2O + 15 CuCl2 = 15 C32H16CuN8 + 168 H2O + 68 CO2 + 30 HCl
Ag2CrO4 + Al = Al2(CrO4)3 + Ag =>
3 Ag2CrO4 + 2 Al = Al2(CrO4)3 + 6 Ag
Sn{4+} + Fe = Fe{2+} + Sn =>
Sn{4+} + 2 Fe = 2 Fe{2+} + Sn
NH4NO3(KNO3)2 = NH4NO3 + KNO3 =>
NH4NO3(KNO3)2 = NH4NO3 + 2 KNO3
SH2 + Ba(OH)2 = SBa + H2O =>
SH2 + Ba(OH)2 = SBa + 2 H2O
B2O3(s) + HF = BF3(g) + H2O =>
B2O3(s) + 6 HF = 2 BF3(g) + 3 H2O
NaNO3 + FeSO4 + H2SO4 = H2O + NO + Na2SO4 + Fe2(SO4)3 =>
2 NaNO3 + 6 FeSO4 + 4 H2SO4 = 4 H2O + 2 NO + Na2SO4 + 3 Fe2(SO4)3
NaOH + Cr2O3 + H2O = Cr[Na(OH)4] =>
2 NaOH + Cr2O3 + 3 H2O = 2 Cr[Na(OH)4]
H2SO4(aq) + Ba(OH)2(aq) = BaSO4(aq) + (H2O)(s) =>
H2SO4(aq) + Ba(OH)2(aq) = BaSO4(aq) + 2(H2O)(s)
Pb(OH)2 + HNO3 = Pb(NO3)2 + H2O =>
Pb(OH)2 + 2 HNO3 = Pb(NO3)2 + 2 H2O
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3 =>
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3
Cu(CO3) + HCl = CuCl2 + CO2 + H2O =>
Cu(CO3) + 2 HCl = CuCl2 + CO2 + H2O
Hg2(NO3)2(aq) + Na2CO3(aq) = Hg2CO3(s) + NaNO3(aq) =>
Hg2(NO3)2(aq) + Na2CO3(aq) = Hg2CO3(s) + 2 NaNO3(aq)
Ca(OH)2 + K3PO4 = Ca3(PO4)2 + KOH =>
3 Ca(OH)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KOH
NH4CO3{2-} + KOH = KCO3{2-} + NH3 + H2O =>
NH4CO3{2-} + KOH = KCO3{2-} + NH3 + H2O
HCl + H2O = Cl2OH + H2 =>
4 HCl + 2 H2O = 2 Cl2OH + 3 H2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
(NH4)2Cu(SO4)2 + KI = (NH4)2Cu(I)4 + K2SO4 =>
(NH4)2Cu(SO4)2 + 4 KI = (NH4)2Cu(I)4 + 2 K2SO4
KOH + H2S = KHS + H2O =>
KOH + H2S = KHS + H2O
CrCl3 + H2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 6 NaCl + 8 H2O
Ra + I2 = RaI =>
2 Ra + I2 = 2 RaI
Be + HNO2 = BeNO2 + H2 =>
2 Be + 2 HNO2 = 2 BeNO2 + H2
H2(g) + C(s) + N2(g) = HCN =>
H2(g) + 2 C(s) + N2(g) = 2 HCN
C7H6O3 + H3O = C8H8O3 + H2O =>
8 C7H6O3 + 14 H3O = 7 C8H8O3 + 17 H2O
FeN + Br = FeBr3 + N =>
FeN + 3 Br = FeBr3 + N
MnO4 + H3O = MnO2 + H2O =>
MnO4 + 4 H3O = MnO2 + 6 H2O
K3PO4 + MgSO3 = Mg3(PO4)2 + K2SO3 =>
2 K3PO4 + 3 MgSO3 = Mg3(PO4)2 + 3 K2SO3
Sn{4+} + Mn = Mn{2+} + Sn =>
Sn{4+} + 2 Mn = 2 Mn{2+} + Sn
Ag2O + HNO3 = Ag2N2O6 + H2O =>
Ag2O + 2 HNO3 = Ag2N2O6 + H2O
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + CO2 =>
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + 2 CO2
Al + SO3 = Al2O3 + S =>
2 Al + SO3 = Al2O3 + S
Na2CO3 + HCI = NaCI* + H2O + CO2 =>
Na2CO3 + 2 HCI = 2 NaCI* + H2O + CO2
Cs(s) + H2O(l) = CsH + O2 =>
4 Cs(s) + 2 H2O(l) = 4 CsH + O2
KClO3(cr) = KCl(cr) + O2(g) =>
2 KClO3(cr) = 2 KCl(cr) + 3 O2(g)
Al2(SO4)3 + KBr = AlBr3 + K2(SO4) =>
Al2(SO4)3 + 6 KBr = 2 AlBr3 + 3 K2(SO4)
POCl3 + H2O = Cl{-} + H3PO4 + H{+} =>
POCl3 + 3 H2O = 3 Cl{-} + H3PO4 + 3 H{+}
Na2SeO3 + NaOH + Cl2 = NaSeO4 + H2O + NaCl =>
2 Na2SeO3 + 4 NaOH + 3 Cl2 = 2 NaSeO4 + 2 H2O + 6 NaCl
Ca(OH)2 + K3PO4 = Ca3(PO4)2 + KOH =>
3 Ca(OH)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KOH
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ag2O + HNO3 = Ag2N2O6 + H2O =>
Ag2O + 2 HNO3 = Ag2N2O6 + H2O
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
FeSO4 + Ba(OH)2 = BaSO4 + Fe(OH)2 =>
FeSO4 + Ba(OH)2 = BaSO4 + Fe(OH)2
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
PbCO3(s) + HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(l) =>
PbCO3(s) + 2 HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(l)
Mg(s) + H2O(l) = Mg(OH)2(aq) + H2(g) =>
Mg(s) + 2 H2O(l) = Mg(OH)2(aq) + H2(g)
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Équations équilibrées sur10/21/24
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