| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CuS(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l) + 3 S(s)
H2 + Se = HSe =>
H2 + 2 Se = 2 HSe
AgNO3 + NH3 + H2O = Ag + NH4NO3 =>
8 AgNO3 + 10 NH3 + 3 H2O = 8 Ag + 9 NH4NO3
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Sr(s) + HCl(aq) = SrCl(aq) + H2(g) =>
2 Sr(s) + 2 HCl(aq) = 2 SrCl(aq) + H2(g)
Cr2O3 + KOH + H2O = K3Cr(OH)6 =>
Cr2O3 + 6 KOH + 3 H2O = 2 K3Cr(OH)6
H2MoO4 + KOH = K2MoO4 + H2O =>
H2MoO4 + 2 KOH = K2MoO4 + 2 H2O
SnCl2 + H2O = SnOHCl + HCl =>
SnCl2 + H2O = SnOHCl + HCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HClO = HClO3 + HCl =>
3 HClO = HClO3 + 2 HCl
Al + Ca(OH)2 + H2O = Ca[Al(OH)4] + H2 =>
Al + Ca(OH)2 + 2 H2O = Ca[Al(OH)4] + H2
Pt(s) + F2(g) = PtF4(l) =>
Pt(s) + 2 F2(g) = PtF4(l)
SnO2 + KOH = K2O3Sn + H2O =>
SnO2 + 2 KOH = K2O3Sn + H2O
Mg(ClO4)2 + Na2CO3 = Na2(ClO4)2 + MgCO3 =>
Mg(ClO4)2 + Na2CO3 = Na2(ClO4)2 + MgCO3
C6H5CHCH2 + KMnO4 + H2O = C6H5CH(OH)CH2OH + MnO2 + KOH =>
3 C6H5CHCH2 + 2 KMnO4 + 4 H2O = 3 C6H5CH(OH)CH2OH + 2 MnO2 + 2 KOH
H3PO4(s) = H2(g) + P(s) + O2(g) =>
2 H3PO4(s) = 3 H2(g) + 2 P(s) + 4 O2(g)
FeI2 + KMnO4 + H2SO4 = Fe2(SO4)3 + KIO3 + MnSO4 + H2O + K2SO4 =>
10 FeI2 + 26 KMnO4 + 44 H2SO4 = 5 Fe2(SO4)3 + 20 KIO3 + 26 MnSO4 + 44 H2O + 3 K2SO4
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
NaCl(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnCl2(s) =>
2 NaCl(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnCl2(s)
CH3CH(OH)COOH + NaOH = CH3CH(ONa)COONa + H2O =>
CH3CH(OH)COOH + 2 NaOH = CH3CH(ONa)COONa + 2 H2O
Fe2S3 + O2 = SO2 + FeO =>
Fe2S3 + 4 O2 = 3 SO2 + 2 FeO
CCl4 + HCl = CHCl3 + Cl2 =>
CCl4 + HCl = CHCl3 + Cl2
CS2 + CO2 = CO + S =>
CS2 + CO2 = 2 CO + 2 S
Zn + KNO2 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
3 Zn + KNO2 + 5 KOH + 5 H2O = 3 K2[Zn(OH)4] + NH3
CH3OH + KBr + H2SO4 = CH3Br + K2SO4 + H2O =>
2 CH3OH + 2 KBr + H2SO4 = 2 CH3Br + K2SO4 + 2 H2O
Ca[HCO3]2 + HCl = CaCl2 + CO2 + H2O =>
Ca[HCO3]2 + 2 HCl = CaCl2 + 2 CO2 + 2 H2O
Na2S + I2 + H2O = HI + Na2SO4 =>
Na2S + 4 I2 + 4 H2O = 8 HI + Na2SO4
Pb(NO3)2(aq) + NaCl(aq) = PbCl2(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + 2 NaCl(aq) = PbCl2(s) + 2 NaNO3(aq)
SnO + HCl = SnCl2 + H2O =>
SnO + 2 HCl = SnCl2 + H2O
H2 + V2O5 = V + H2O =>
5 H2 + V2O5 = 2 V + 5 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
Zn + NaOH = Zn(OH)2 + Na =>
Zn + 2 NaOH = Zn(OH)2 + 2 Na
Al + Sn{2+} = Al{3+} + Sn =>
2 Al + 3 Sn{2+} = 2 Al{3+} + 3 Sn
C2H4O2(aq) + Na2CO3(aq) = C2H3NaO2(aq) + CO2(g) + H2O(l) =>
2 C2H4O2(aq) + Na2CO3(aq) = 2 C2H3NaO2(aq) + CO2(g) + H2O(l)
KCl + HNO3 = KNO3 + Cl2 + NO2 + H2O =>
2 KCl + 4 HNO3 = 2 KNO3 + Cl2 + 2 NO2 + 2 H2O
(CH3COO)2Mg + H2SO4 = MgSO4 + CH3COOH =>
(CH3COO)2Mg + H2SO4 = MgSO4 + 2 CH3COOH
Na + MgF2 = NaF + Mg =>
2 Na + MgF2 = 2 NaF + Mg
Me + HCl = MeCl3 + H2 =>
2 Me + 6 HCl = 2 MeCl3 + 3 H2
SiO2 + N2 = Si3N4 + O2 =>
3 SiO2 + 2 N2 = Si3N4 + 3 O2
BaC4H6O4 + (NH4)2SO4 = BaSO4 + NH4C2H3O2 =>
BaC4H6O4 + (NH4)2SO4 = BaSO4 + 2 NH4C2H3O2
NaNO3 + Cu + H2SO4 = Cu(NO3)2 + NO + Na2SO4 + H2O =>
8 NaNO3 + 3 Cu + 4 H2SO4 = 3 Cu(NO3)2 + 2 NO + 4 Na2SO4 + 4 H2O
NH3 + Ca(HCO3)2 = NH4HCO3 + CaCO3 =>
NH3 + Ca(HCO3)2 = NH4HCO3 + CaCO3
AgCl + O = AgClO3 =>
AgCl + 3 O = AgClO3
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
K2Cr2O7 + HCl + H2SO4 = Cr2O3 + K2SO4 + H2O + Cl2 =>
K2Cr2O7 + 6 HCl + H2SO4 = Cr2O3 + K2SO4 + 4 H2O + 3 Cl2
AgNO3(aq) + Fe(s) = Fe(NO3)2 + Ag(s) =>
2 AgNO3(aq) + Fe(s) = Fe(NO3)2 + 2 Ag(s)
AsCl + H2O = HCl + AsOH =>
AsCl + H2O = HCl + AsOH
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
KHSO3 = SO2 + KOH =>
KHSO3 = SO2 + KOH
NaI + Ca(OH)2 = CaI2 + NaOH =>
2 NaI + Ca(OH)2 = CaI2 + 2 NaOH
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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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