| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 Cr2O7 + 21 NO = 4 Cr3 + 21 NO3
Mg + HNO2 = Mg(NO3)2 + N2 + H2O =>
Mg + 4 HNO2 = Mg(NO3)2 + N2 + 2 H2O
Cu3(PO4)2 + HCl = CuCl2 + H2O + P2O5 =>
Cu3(PO4)2 + 6 HCl = 3 CuCl2 + 3 H2O + P2O5
S8 + O3 = SO4 =>
3 S8 + 32 O3 = 24 SO4
Al(s) + AgNo3(aq) = Ag(s) + AlNo3(aq) =>
Al(s) + AgNo3(aq) = Ag(s) + AlNo3(aq)
Ca3(PO4)2 + Na3PO4 = Ca3PO4 + Na3(PO4)2 =>
Ca3(PO4)2 + Na3PO4 = Ca3PO4 + Na3(PO4)2
Al(NO2)3 + Ni(C2O4) = Al(C2O4) + Ni(NO2)3 =>
Al(NO2)3 + Ni(C2O4) = Al(C2O4) + Ni(NO2)3
NH3 + O = NH2OH =>
NH3 + O = NH2OH
MnO4{-} + I{2-} + H2O = MnO2 + I2 + OH{-} =>
4 MnO4{-} + 6 I{2-} + 8 H2O = 4 MnO2 + 3 I2 + 16 OH{-}
MnI2 + K2CrO4 = MnCrO4 + KI =>
MnI2 + K2CrO4 = MnCrO4 + 2 KI
Cu(s) + HNO3(cc) = Cu(NO3)2(ac) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(cc) = Cu(NO3)2(ac) + 2 NO2(g) + 2 H2O(l)
K2S(aq) + RbClO3(aq) = KClO3(aq) + Rb2S(aq) =>
K2S(aq) + 2 RbClO3(aq) = 2 KClO3(aq) + Rb2S(aq)
Ca(HCO3)2 + Na3PO4 = Ca3(PO4)2 + Na(HCO3) =>
3 Ca(HCO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 Na(HCO3)
Ca(OH)2 + H2(SO4) = HOH + Ca(SO4) =>
Ca(OH)2 + H2(SO4) = 2 HOH + Ca(SO4)
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
H2AlO3 + H20ClO11 = AlCl3 + H + O =>
H2AlO3 + 3 H20ClO11 = AlCl3 + 62 H + 36 O
SO3{2-} + MnO4{-} + H{+} = Mn{+2} + SO4{2-} + H2O =>
5 SO3{2-} + 2 MnO4{-} + 6 H{+} = 2 Mn{+2} + 5 SO4{2-} + 3 H2O
Cu(NO3)2 + NH3 = Cu(NH3)4 + NO3 =>
Cu(NO3)2 + 4 NH3 = Cu(NH3)4 + 2 NO3
VO2{+} + H{+} + SO3{2-} = VO{2+} + H2O + SO4{2-} =>
2 VO2{+} + 2 H{+} + SO3{2-} = 2 VO{2+} + H2O + SO4{2-}
Bi2O3 + Na2O + O2 = Na3BiO4 =>
Bi2O3 + 3 Na2O + O2 = 2 Na3BiO4
CH3CH2CH2Cl + Mg = MgCH3CH2CH2MgCl =>
CH3CH2CH2Cl + 2 Mg = MgCH3CH2CH2MgCl
C6H4(CH3)2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C6H4(COOH)2 + H2O =>
5 C6H4(CH3)2 + 12 KMnO4 + 18 H2SO4 = 6 K2SO4 + 12 MnSO4 + 5 C6H4(COOH)2 + 28 H2O
Fe2{+} + O2{-} + H = Fe3{+} + H2O =>
3 Fe2{+} + O2{-} + 4 H = 2 Fe3{+} + 2 H2O
FeS4 + O2 = FeO + SO2 =>
2 FeS4 + 9 O2 = 2 FeO + 8 SO2
H2SO4 + OH{-} = SO4{-2} + H2O =>
H2SO4 + 2 OH{-} = SO4{-2} + 2 H2O
Cr2O7{2-} + H{+} = H2Cr2O7 =>
Cr2O7{2-} + 2 H{+} = H2Cr2O7
Cr2O7{2+} + Fe{2+} + H{+} = Fe{3+} + Cr{3+} + H2O =>
Cr2O7{2+} + 10 Fe{2+} + 14 H{+} = 10 Fe{3+} + 2 Cr{3+} + 7 H2O
NaCI = Na + CI =>
NaCI = Na + CI
C6H12O6 + Na2CO3 = NaC2H3O2 + CO2 + H2O =>
2 C6H12O6 + 3 Na2CO3 = 6 NaC2H3O2 + 3 CO2 + 3 H2O
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Cr{3+} + CO3{2-} = Cr2(CO3)3 =>
2 Cr{3+} + 3 CO3{2-} = Cr2(CO3)3
HCl + NaHCO3 = NaCl + CO2 + H2O =>
HCl + NaHCO3 = NaCl + CO2 + H2O
H2SO4 + NaOH = Na + H2O + HSO4 =>
H2SO4 + NaOH = Na + H2O + HSO4
H3(PO4) + Al(C2H3O2)3 = H(C2H3O2) + Al(PO4) =>
H3(PO4) + Al(C2H3O2)3 = 3 H(C2H3O2) + Al(PO4)
HCl + KMnNO4 = KNCl + MnCl2 + H2O + Cl2 =>
16 HCl + 2 KMnNO4 = 2 KNCl + 2 MnCl2 + 8 H2O + 5 Cl2
FeNaBr + FeNaBr3 = FeBr2 + Na =>
FeNaBr + FeNaBr3 = 2 FeBr2 + 2 Na
Al2(SO4)3 + Sr(NO3)2 = Sr4(SO4)3 + Al2(NO3)8 =>
Al2(SO4)3 + 4 Sr(NO3)2 = Sr4(SO4)3 + Al2(NO3)8
(a)Cl2(aq) + NaBr(aq) = NaCl(aq) + Br2(aq) =>
(a)Cl2(aq) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(aq)
Fe3C + H2SO4 = Fe2(SO4)3 + H2 + C =>
2 Fe3C + 9 H2SO4 = 3 Fe2(SO4)3 + 9 H2 + 2 C
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
KOH + Na2SO3 = K2SO3 + NaOH =>
2 KOH + Na2SO3 = K2SO3 + 2 NaOH
CuCl2 + KL = CuCl + KCl + L2 =>
2 CuCl2 + 2 KL = 2 CuCl + 2 KCl + L2
Zn(NO3)2(aq) + NH3(aq) = Zn(NH3)2(aq) + NO3(g) =>
Zn(NO3)2(aq) + 2 NH3(aq) = Zn(NH3)2(aq) + 2 NO3(g)
HBrO3 + Mg(OH)2 = Mg(BrO3)2 + H2O =>
2 HBrO3 + Mg(OH)2 = Mg(BrO3)2 + 2 H2O
HNO3 + Mg(CH3COO)2 = Mg(NO3)2 + HCH3COO =>
2 HNO3 + Mg(CH3COO)2 = Mg(NO3)2 + 2 HCH3COO
Mg + Fe2 = MgFe2 =>
Mg + Fe2 = MgFe2
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
Al(OH)3(aq) + HCl(aq) = Al(Cl)3(aq) + H2O(l) =>
Al(OH)3(aq) + 3 HCl(aq) = Al(Cl)3(aq) + 3 H2O(l)
AuNo3 + SnClO4 = AuClO4 + SnNo3 =>
AuNo3 + SnClO4 = AuClO4 + SnNo3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/17/25
Équations équilibrées sur03/19/24
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