| Équations équilibrées la veille | Équations équilibrées le lendemain |
CoCl2 + H2O = CoO + H2Cl2
FeS + HNO3 = Fe(NO3)3 + NO + H2O + H2SO4 =>
FeS + 6 HNO3 = Fe(NO3)3 + 3 NO + 2 H2O + H2SO4
NH3O + O2 = NO + H2O =>
4 NH3O + 3 O2 = 4 NO + 6 H2O
CH3CH2CH2NH2 + CH3CH2Cl = CH3CH2CH2NHCH2CH3 + HCl =>
CH3CH2CH2NH2 + CH3CH2Cl = CH3CH2CH2NHCH2CH3 + HCl
Al(NO2)3 + CaCO3 = Al2(CO3)3 + Ca(NO2)2 =>
2 Al(NO2)3 + 3 CaCO3 = Al2(CO3)3 + 3 Ca(NO2)2
Pb(NO3)2(aq) + BaCl2(aq) = PbCl2(s) + Ba(NO3)2(aq) =>
Pb(NO3)2(aq) + BaCl2(aq) = PbCl2(s) + Ba(NO3)2(aq)
K3PO4 + Al(NO3)3 = KNO3 + AlPO4 =>
K3PO4 + Al(NO3)3 = 3 KNO3 + AlPO4
NH4(aq) + OH(aq) = NH3 + H2O =>
NH4(aq) + OH(aq) = NH3 + H2O
Cr2O7{2-} + HSO3{-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 HSO3{-} + 5 H{+} = 2 Cr{3+} + 3 SO4{2-} + 4 H2O
SnS2 + NaOH = Sn(OH)6 + S + Na =>
SnS2 + 6 NaOH = Sn(OH)6 + 2 S + 6 Na
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Fe(iii)O = Fe + O2 =>
2 Fe(iii)O = 2 Fe + O2
Cu(s) + HCl(g) = CuCl2(aq)H2(g) =>
Cu(s) + 2 HCl(g) = CuCl2(aq)H2(g)
Fe(NH4)2(SO4)2*6H2O + H2C2O2 + K2C2O4 + H2O2 = K4Fe(C2O4)3*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + H2C2O2 + 2 K2C2O4 + 2 H2O2 = K4Fe(C2O4)3*2H2O + (NH4)2SO4 + H2SO4 + 6 H2O
C2H4 + HBr = C2H3Br + H =>
C2H4 + HBr = C2H3Br + 2 H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H3PO4(aq) + Ca(OH)2(g) = H2O1 + Ca3(PO4)2(s) =>
2 H3PO4(aq) + 3 Ca(OH)2(g) = 6 H2O1 + Ca3(PO4)2(s)
S4N2Cl + Al(N3)3 = S4N4 + N2 + AlCl3 =>
6 S4N2Cl + 2 Al(N3)3 = 6 S4N4 + 3 N2 + 2 AlCl3
Br2 + NaOH = NaBr + NaBrO + H2O =>
Br2 + 2 NaOH = NaBr + NaBrO + H2O
Cu3(PO4)2 + Mg = Mg3(PO4) + Cu3 =>
Cu3(PO4)2 + 6 Mg = 2 Mg3(PO4) + Cu3
Na3VO4 + H2SO4 + Zn = H2O + Na2HSO4 + ZnSO4 + V(OH)2 =>
4 Na3VO4 + 15 H2SO4 + 9 Zn = 8 H2O + 6 Na2HSO4 + 9 ZnSO4 + 4 V(OH)2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH3(g) + O2(g) = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(l)
Sb2S3 + H2O2 = SbO4 + SO4 + H2O =>
Sb2S3 + 20 H2O2 = 2 SbO4 + 3 SO4 + 20 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
X4Y8 + Z2 = XZ2 + Y2Z =>
X4Y8 + 6 Z2 = 4 XZ2 + 4 Y2Z
Pb3(PO4)2 + NaCl = PbCl2 + Na3(PO4) =>
Pb3(PO4)2 + 6 NaCl = 3 PbCl2 + 2 Na3(PO4)
Na2S + K2Cr2O7 + H2O = Cr(OH)3 + KOH + Na2SO4 =>
3 Na2S + 4 K2Cr2O7 + 16 H2O = 8 Cr(OH)3 + 8 KOH + 3 Na2SO4
Fe + S8 = Fe2S3 =>
16 Fe + 3 S8 = 8 Fe2S3
V + OH = VO4 + H2O =>
V + 8 OH = VO4 + 4 H2O
Mg + HCI2 = MgCI2 + H2 =>
2 Mg + 2 HCI2 = 2 MgCI2 + H2
K2S + Pb(NO3)2 = K2Pb + S(NO3)2 =>
K2S + Pb(NO3)2 = K2Pb + S(NO3)2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
NaOH + CuSO4(H2O)5 = Cu(OH)2 + Na2SO4(H2O)5 =>
2 NaOH + CuSO4(H2O)5 = Cu(OH)2 + Na2SO4(H2O)5
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
SrO + H2O = O2 + HSr =>
4 SrO + 2 H2O = 3 O2 + 4 HSr
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NH3(g) + H2SO4(l) = (NH4)2SO4(aq) =>
2 NH3(g) + H2SO4(l) = (NH4)2SO4(aq)
Na(OH) + H3PO4 = Na2HPO4 + H2O =>
2 Na(OH) + H3PO4 = Na2HPO4 + 2 H2O
Na2O2 + H2O = NaOH + O =>
Na2O2 + H2O = 2 NaOH + O
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
Na2O2 + CO2 = Na2CO3 + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3 + O2
BeO(s) + H2O(l) = Be(OH)2(aq) =>
BeO(s) + H2O(l) = Be(OH)2(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2O2 + H2O = NaOH + H2O2 =>
Na2O2 + 2 H2O = 2 NaOH + H2O2
C2H5COOH + C3H8O = C6H12O2 + H2O =>
C2H5COOH + C3H8O = C6H12O2 + H2O
Mg(NO3)2 + NaBr = MgBr2 + NaNO3 =>
Mg(NO3)2 + 2 NaBr = MgBr2 + 2 NaNO3
MnO + Fe2O3 + SnO2 + SiO2 + Sn = Fe2Mn2Si2Sn7O16 =>
4 MnO + 2 Fe2O3 + 7 SnO2 + 4 SiO2 + 7 Sn = 2 Fe2Mn2Si2Sn7O16
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Équations équilibrées sur02/10/25
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