| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu2CO3 = 4 Cu + 3 O2 + 2 C
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3 + H2SO4 = Na2SO4 + H2O + SO2
(Ca(OH)2) + CO2 = CaCO3 + H2O =>
(Ca(OH)2) + CO2 = CaCO3 + H2O
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
H3PO4 + (NH4)2MoO4 + HNO3 = (HN4)3PO*12MoO3 + NH4NO3 + H2O =>
4 H3PO4 + 48(NH4)2MoO4 + 78 HNO3 = 4(HN4)3PO*12MoO3 + 63 NH4NO3 + 105 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
K2CO3 + Sr(NO3)2 = KNO3 + SrCO3 =>
K2CO3 + Sr(NO3)2 = 2 KNO3 + SrCO3
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
CH3CH2CH2OH + MnO4{-} = CH3CH2COOH + MnO2 + OH{-} + H2O =>
3 CH3CH2CH2OH + 4 MnO4{-} = 3 CH3CH2COOH + 4 MnO2 + 4 OH{-} + H2O
BaF2 + Na3PO4 = Ba3(PO4)2 + NaF =>
3 BaF2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaF
Na3[Al(OH)6] + AlCl3 = NaCl + Al(OH)3 =>
Na3[Al(OH)6] + AlCl3 = 3 NaCl + 2 Al(OH)3
Cr(ClO3)3 = CrCl3 + O2 =>
2 Cr(ClO3)3 = 2 CrCl3 + 9 O2
Cs2[CuF4] + F2 = Cs2[CuF6] =>
Cs2[CuF4] + F2 = Cs2[CuF6]
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
SO3{-2} + MnO4{-} + H{+} = SO4{-2} + Mn + H2O =>
7 SO3{-2} + 2 MnO4{-} + 2 H{+} = 7 SO4{-2} + 2 Mn + H2O
Fe2O5 + H = FeOOH + H2O =>
Fe2O5 + 4 H = 2 FeOOH + H2O
(CH3COOH) + Mg = Mg2(CH3COO) + H2 =>
2(CH3COOH) + 4 Mg = 2 Mg2(CH3COO) + H2
Na[Al(OH)4] = Al + NaOH + O2 + H2O =>
4 Na[Al(OH)4] = 4 Al + 4 NaOH + 3 O2 + 6 H2O
Al + KMnO4 + KOH = KAlO2 + K2MnO4 + H2O =>
Al + 3 KMnO4 + 4 KOH = KAlO2 + 3 K2MnO4 + 2 H2O
CH4O + Cr2O7{2-} + H{+} = CH2O + Cr{3+} + H2O =>
3 CH4O + Cr2O7{2-} + 8 H{+} = 3 CH2O + 2 Cr{3+} + 7 H2O
NaHCO3 + CH3COOH = Na2CH3COO + CO2 + H2O =>
16 NaHCO3 + 9 CH3COOH = 8 Na2CH3COO + 18 CO2 + 14 H2O
Ca(NO3) + H2SO4 = Ca2SO4 + HNO3 =>
2 Ca(NO3) + H2SO4 = Ca2SO4 + 2 HNO3
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
C3H7OH + H2O2 = CO2 + H2O =>
C3H7OH + 9 H2O2 = 3 CO2 + 13 H2O
KMnO4 + Fe2O3 = Fe(MnO4)3 + K2O =>
6 KMnO4 + Fe2O3 = 2 Fe(MnO4)3 + 3 K2O
CuO + Ca(OH)2 = Cu(OH)2 + CaO =>
CuO + Ca(OH)2 = Cu(OH)2 + CaO
NaO + H2O = Na + OH =>
NaO + H2O = Na + 2 OH
iron + hydrogenchloride = hydrogen + iron(iii)chloride =>
2 Fe + 6 HCl = 3 H2 + 2 FeCl3
CUCO3CU(OH)2 + H2SO4(aq) = CUSO4(aq) + CO2(g) + H2O(l) =>
CUCO3CU(OH)2 + 2 H2SO4(aq) = 2 CUSO4(aq) + CO2(g) + 3 H2O(l)
Na2CO3 + Co3O4 + Sb2O3 + Nb2O5 = CO2 + Na12Co8Nb2Sb2O24 + O2 =>
18 Na2CO3 + 8 Co3O4 + 3 Sb2O3 + 3 Nb2O5 = 18 CO2 + 3 Na12Co8Nb2Sb2O24 + O2
HCl(aq) + Ca(s) = Ca(s)HCl(g) =>
HCl(aq) + Ca(s) = Ca(s)HCl(g)
CuS + NO3{-} + H{+} = Cu2{+} + S + NO + H2O =>
6 CuS + NO3{-} + 4 H{+} = 3 Cu2{+} + 6 S + NO + 2 H2O
H2PO3{-} + H2O = HPO3{2-} + H3O{+} =>
H2PO3{-} + H2O = HPO3{2-} + H3O{+}
Fe(NO3)3 + NaCNS = Fe(CNS)3 + NaNO3 =>
Fe(NO3)3 + 3 NaCNS = Fe(CNS)3 + 3 NaNO3
Zn + HNO3 = Zn(NO3) + NH4N3 + H2O =>
24 Zn + 28 HNO3 = 24 Zn(NO3) + NH4N3 + 12 H2O
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
IO3{-} + H{+} = I2 + H2O + O2 =>
4 IO3{-} + 4 H{+} = 2 I2 + 2 H2O + 5 O2
NaNO3 + H2SO4 = HNO3 + Na2SO4 =>
2 NaNO3 + H2SO4 = 2 HNO3 + Na2SO4
KH + MgCl = KCl + MgH =>
KH + MgCl = KCl + MgH
Fe + H3O{+} = Fe{2+} + H2 + H2O =>
Fe + 2 H3O{+} = Fe{2+} + H2 + 2 H2O
C7H7NO2 + C4H6O3 = C9H9NO3 + CH3COOH =>
C7H7NO2 + C4H6O3 = C9H9NO3 + CH3COOH
Y + Si = Y5Si3 =>
5 Y + 3 Si = Y5Si3
NaHCO3(aq) + C6H8O7(aq) = CO2(g) + Na3C6H5O7(aq) + H2O(l) =>
3 NaHCO3(aq) + C6H8O7(aq) = 3 CO2(g) + Na3C6H5O7(aq) + 3 H2O(l)
KMnO4 + NaNO2 + NaOH = K2MnO4 + NaNO3 + Na2MnO4 + H2O =>
2 KMnO4 + NaNO2 + 2 NaOH = K2MnO4 + NaNO3 + Na2MnO4 + H2O
Fe + O2 = iron(ii)oxide =>
2 Fe + O2 = 2 FeO
K2[Cr2O7] + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2[Cr2O7] + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
C2H5NH2 + KOH = C2H5OH + KNH2 =>
C2H5NH2 + KOH = C2H5OH + KNH2
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
NaAl(OH)4H2S = NaHSAl(OH)3H2O =>
NaAl(OH)4H2S = NaHSAl(OH)3H2O
Mg(s) + Pb(NO3)2(aq) = Pb(s) + Mg(NO3)2(aq) =>
Mg(s) + Pb(NO3)2(aq) = Pb(s) + Mg(NO3)2(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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