| Équations équilibrées la veille |
Na2CrO4 + 2 HNO3 = H2(CrO4) + 2 NaNO3
PbSO3 + HCl = PbCl2 + SO2 + H2O =>
PbSO3 + 2 HCl = PbCl2 + SO2 + H2O
Cu(NO3)2 + LiI = CuI2 + LiNO3 =>
Cu(NO3)2 + 2 LiI = CuI2 + 2 LiNO3
C2H6 + F2 = CF3CHF2 + FH =>
C2H6 + 5 F2 = CF3CHF2 + 5 FH
Al(OH)3 + H2(CO3) = Al2(CO3)3 + H(OH) =>
2 Al(OH)3 + 3 H2(CO3) = Al2(CO3)3 + 6 H(OH)
Cu + HNO3 = CuNO3 + NO2 + H2O =>
Cu + 2 HNO3 = CuNO3 + NO2 + H2O
Ba(NO3)2(aq) + H2SO4(aq) = BaSO4(s) + HNO3(aq) =>
Ba(NO3)2(aq) + H2SO4(aq) = BaSO4(s) + 2 HNO3(aq)
H2O2 + KBr + H2SO4 = Br + K2SO4 + H2O =>
H2O2 + 2 KBr + H2SO4 = 2 Br + K2SO4 + 2 H2O
PB(NO3)2(aq) + KCl(aq) = PBCl2(s) + KNO3(aq) =>
PB(NO3)2(aq) + 2 KCl(aq) = PBCl2(s) + 2 KNO3(aq)
H2O2 + H2(SO4) + Fe(SO4) = Fe2(SO4)3 + H2O =>
H2O2 + H2(SO4) + 2 Fe(SO4) = Fe2(SO4)3 + 2 H2O
CH3CH(Cl)CH3 + CH3CH2ONa = CH3CH2OCH(CH3)CH3 + NaCl =>
CH3CH(Cl)CH3 + CH3CH2ONa = CH3CH2OCH(CH3)CH3 + NaCl
Cu(NO3)2 + Zn2 = Cu + Zn(NO3)2 =>
2 Cu(NO3)2 + Zn2 = 2 Cu + 2 Zn(NO3)2
Mg(OH)2(s) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(s) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
(NH4)2S(aq) + Co(NO3)2(aq) = CoS(s) + NH4NO3(aq) =>
(NH4)2S(aq) + Co(NO3)2(aq) = CoS(s) + 2 NH4NO3(aq)
NH3 + H2SO = (NH4)2SO =>
2 NH3 + H2SO = (NH4)2SO
Fe(OH)3 + NaNO3 + NaOH = Na2FeO4 + Fe(NO2)3 + H2O =>
3 Fe(OH)3 + 3 NaNO3 + NaOH = 2 Na2FeO4 + Fe(NO2)3 + 5 H2O
Mn(NO3)2 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + NOH =>
8 Mn(NO3)2 + 6 NaBiO3 + 15 HNO3 = 8 HMnO4 + 6 Bi(NO3)3 + 6 NaNO3 + 7 NOH
K2CO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
K2CO3(s) + 2 HCl(aq) = 2 KCl(aq) + H2O(l) + CO2(g)
Mg(s) + H3PO4(aq) = Mg3(PO4)2(s) + H2(g) =>
3 Mg(s) + 2 H3PO4(aq) = Mg3(PO4)2(s) + 3 H2(g)
KI + K2CrO4 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KI + 2 K2CrO4 + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
H3PO4(aq) + Sr(OH)2(aq) = H2O + Sr3(PO4)2 =>
2 H3PO4(aq) + 3 Sr(OH)2(aq) = 6 H2O + Sr3(PO4)2
(NaPO3)6 = Na + PO3 =>
(NaPO3)6 = 6 Na + 6 PO3
Ag(s) + HNO3(aq) = AgNO3(aq) + NO2(g) + H2O(l) =>
Ag(s) + 2 HNO3(aq) = AgNO3(aq) + NO2(g) + H2O(l)
(NH4)2S(aq) + ZnCl2(aq) = (NH4)2Cl2(s) + ZnS(s) =>
(NH4)2S(aq) + ZnCl2(aq) = (NH4)2Cl2(s) + ZnS(s)
K2O + HBr = K2Br2 + H2O =>
K2O + 2 HBr = K2Br2 + H2O
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + Sr(SO4) =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 Sr(SO4)
H3PO4 + CuOH = Cu3PO4 + H2O =>
H3PO4 + 3 CuOH = Cu3PO4 + 3 H2O
Fe(OH)3(s) = Fe2O3(s) + H2O(l) =>
2 Fe(OH)3(s) = Fe2O3(s) + 3 H2O(l)
B2O3 + C = B4C3 + CO2 =>
2 B2O3 + 6 C = B4C3 + 3 CO2
Pb(NO3)2(aq) + FeBr2(aq) = PbBr2(s) + Fe(NO3)2(aq) =>
Pb(NO3)2(aq) + FeBr2(aq) = PbBr2(s) + Fe(NO3)2(aq)
Mg3(PO4)2 + Pb(NO3)2 = Mg(NO3)2 + Pb3(PO4)2 =>
Mg3(PO4)2 + 3 Pb(NO3)2 = 3 Mg(NO3)2 + Pb3(PO4)2
(NH4)2HPO4 + BaCl2 = Ba2(HPO4)2 + NH4Cl =>
2(NH4)2HPO4 + 2 BaCl2 = Ba2(HPO4)2 + 4 NH4Cl
KMnO4 + HCl = Cl2(g) + KCl + MnCl2 + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2(g) + 2 KCl + 2 MnCl2 + 8 H2O
H2O2 + H{+} + Al = H2O + Al3{+} =>
H2O2 + 2 H{+} + 6 Al = 2 H2O + 2 Al3{+}
CH3COOH + NH3*H2O = (CH3COO)NH4 + H2O =>
CH3COOH + NH3*H2O = (CH3COO)NH4 + H2O
Hg(OH)2 + H3(PO4) = Hg3(PO4)2 + H(OH) =>
3 Hg(OH)2 + 2 H3(PO4) = Hg3(PO4)2 + 6 H(OH)
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Pb(NO3)2(aq) + HCl(aq) = PbCl2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HCl(aq) = PbCl2(s) + 2 HNO3(aq)
MgO + H3PO4 = MgH(PO4) + H2O =>
MgO + H3PO4 = MgH(PO4) + H2O
Ba(NO3)2 + Ca(NO3)2 = BaCa + (NO3)2 =>
Ba(NO3)2 + Ca(NO3)2 = BaCa + 2(NO3)2
HClO4 + Cr = CrClO4 + H2 =>
2 HClO4 + 2 Cr = 2 CrClO4 + H2
ZnBr2 + Na2O = ZnO + NaBr =>
ZnBr2 + Na2O = ZnO + 2 NaBr
Li + Pb{+2} = Li{+} + Pb =>
2 Li + Pb{+2} = 2 Li{+} + Pb
AgNO3 + Na2CO3 = AgCO3 + (NO3)Na2 =>
AgNO3 + Na2CO3 = AgCO3 + (NO3)Na2
MnO2(s) + HCl(aq) = Cl2(g) + MnCl2(aq) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + MnCl2(aq) + 2 H2O(l)
Al(s) + HNO3(l) = Al(NO3)2(aq) + H2 =>
Al(s) + 2 HNO3(l) = Al(NO3)2(aq) + H2
Al(OH)3(s) = Al2O3(s) + H2O(l) =>
2 Al(OH)3(s) = Al2O3(s) + 3 H2O(l)
Al(s) + HBr(aq) = H2(g) + AlBr(aq) =>
2 Al(s) + 2 HBr(aq) = H2(g) + 2 AlBr(aq)
HNO2 + Ti(OH)4 = Ti(NO2)4 + H2O =>
4 HNO2 + Ti(OH)4 = Ti(NO2)4 + 4 H2O
HCOH + KMnO4 + H2SO4 = HCOOH + H2O + MnSO4 + K2SO4 =>
5 HCOH + 2 KMnO4 + 3 H2SO4 = 5 HCOOH + 3 H2O + 2 MnSO4 + K2SO4
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Équations équilibrées sur01/08/25
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