| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2CO3 + H2SO4 = H2CO3 + K2SO4
CH4 + Br2 = CH3Br2 + HBr =>
2 CH4 + 3 Br2 = 2 CH3Br2 + 2 HBr
KOH + (NH4)2SO4 = K2SO4 + NH4OH =>
2 KOH + (NH4)2SO4 = K2SO4 + 2 NH4OH
BaSO3 + C = BaS + CO =>
BaSO3 + 3 C = BaS + 3 CO
C2H4O2 + Na2CO3 = NaC2H4O2 + CO2 + H2O =>
9 C2H4O2 + 4 Na2CO3 = 8 NaC2H4O2 + 6 CO2 + 2 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
Al(OH)3 + BeF2 = AlF3 + Be(OH)2 =>
2 Al(OH)3 + 3 BeF2 = 2 AlF3 + 3 Be(OH)2
K3PO4 + Cu(NO3)2 = K3(NO3)2 + Cu(PO4) =>
K3PO4 + Cu(NO3)2 = K3(NO3)2 + Cu(PO4)
Hg(NO3)2 + Na2CO3 = HgCO3 + NaNO3 =>
Hg(NO3)2 + Na2CO3 = HgCO3 + 2 NaNO3
M + Br2 = MBr =>
2 M + Br2 = 2 MBr
Co(NO3)2 + NH4NCS = (NH4)2[Co(SCN)4] + NH4NO3 =>
Co(NO3)2 + 4 NH4NCS = (NH4)2[Co(SCN)4] + 2 NH4NO3
AlCl3(aq) + NaOH(aq) = NaAlO2(aq) + NaCl(aq) + H2O =>
AlCl3(aq) + 4 NaOH(aq) = NaAlO2(aq) + 3 NaCl(aq) + 2 H2O
Cu(OH)2 + H3Po4 = Cu3(Po4)2 + H2O =>
3 Cu(OH)2 + 2 H3Po4 = Cu3(Po4)2 + 6 H2O
Ca(H2PO4)2 + NaOH = CaNa2(HPO4)2 + H2O =>
Ca(H2PO4)2 + 2 NaOH = CaNa2(HPO4)2 + 2 H2O
HC1 + CaCO3 = CaC2 + CO2 + H2O =>
2 HC1 + CaCO3 = CaC2 + CO2 + H2O
KMnO4 + PbCl2 = Pb(MnO4)2 + KCl =>
2 KMnO4 + PbCl2 = Pb(MnO4)2 + 2 KCl
Cu + CrCl3 = CuCl + Cr =>
3 Cu + CrCl3 = 3 CuCl + Cr
e + H{+} + IO3{-} = I{-} + H2O =>
6e + 6 H{+} + IO3{-} = I{-} + 3 H2O
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
CH4O + Cr2O7{2-} + H{+} = Cr{3+} + CO2 + H2O =>
CH4O + Cr2O7{2-} + 8 H{+} = 2 Cr{3+} + CO2 + 6 H2O
Br2 + KOH = KBr + KBrO3 + H22O =>
11 Br2 + 22 KOH = 15 KBr + 7 KBrO3 + H22O
Mg(NO3)2 + (NH4)2CO3 = MgCO3 + NH4NO3 =>
Mg(NO3)2 + (NH4)2CO3 = MgCO3 + 2 NH4NO3
KSCN + FeCl3 = Fe(SCN)3 + KCl =>
3 KSCN + FeCl3 = Fe(SCN)3 + 3 KCl
As(OH)3(s) + H2SO4(aq) = As2(SO4)3(aq) + H2O(l) =>
2 As(OH)3(s) + 3 H2SO4(aq) = As2(SO4)3(aq) + 6 H2O(l)
HI + Ca(OH)2 = HI(OH) + Ca2 =>
4 HI + 2 Ca(OH)2 = 4 HI(OH) + Ca2
K2Cr2O7 + FeS2 + H2SO4 = K2SO4 + Cr2(SO4)3 + FeSO4 + H2O =>
7 K2Cr2O7 + 3 FeS2 + 25 H2SO4 = 7 K2SO4 + 7 Cr2(SO4)3 + 3 FeSO4 + 25 H2O
CuCl2 + Fe = Cu + FeCl2 =>
CuCl2 + Fe = Cu + FeCl2
[NH4]2Fe[SO4]2 + BaCl2 = BaSO4 + NH4Cl + FeCl2 =>
[NH4]2Fe[SO4]2 + 2 BaCl2 = 2 BaSO4 + 2 NH4Cl + FeCl2
Fe(OH)2 + Li2O = FeO + Li(OH) =>
Fe(OH)2 + Li2O = FeO + 2 Li(OH)
C2H5NO2 + C4H6O3 = C4H7NO3 + CH3COOH =>
C2H5NO2 + C4H6O3 = C4H7NO3 + CH3COOH
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
HCOH + NaOH = HCONa + H2O =>
HCOH + NaOH = HCONa + H2O
H2O(heat) = H2 + O2 =>
2 H2O(heat) = 2 H2 + O2
CH2OHCH2OH + CH2COOH = H2O + (CH3COO)2CH2CH2 =>
5 CH2OHCH2OH + 4 CH2COOH = 6 H2O + 3(CH3COO)2CH2CH2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C9O4H7Na + HCl = C9H8O4 + NaCl =>
C9O4H7Na + HCl = C9H8O4 + NaCl
Li + S = Li2S =>
2 Li + S = Li2S
C4H8 + KMnO4 + H2SO4 = CO2C3H6O2 + K2SO4 + MnSO4 + H2O =>
C4H8 + 2 KMnO4 + 3 H2SO4 = CO2C3H6O2 + K2SO4 + 2 MnSO4 + 4 H2O
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
SeOF2 + SiO2 = SeO2 + SiF4 =>
2 SeOF2 + SiO2 = 2 SeO2 + SiF4
H3PO4(aq) + CaO(s) = Ca3(PO4)2(aq) + H2O(l) =>
2 H3PO4(aq) + 3 CaO(s) = Ca3(PO4)2(aq) + 3 H2O(l)
Sr(s) + HCl(aq) = H(g) + SrCl(s) =>
Sr(s) + HCl(aq) = H(g) + SrCl(s)
H3PO4 + NaCl = Na3(PO4) + HCl =>
H3PO4 + 3 NaCl = Na3(PO4) + 3 HCl
Cr2(SO4) + (NH4)2CO3 = Cr2CO3 + (NH4)2SO4 =>
Cr2(SO4) + (NH4)2CO3 = Cr2CO3 + (NH4)2SO4
Na2CO3(l) + HCl(l) = CO2(g) + H2O(l) + NaCl(aq) =>
Na2CO3(l) + 2 HCl(l) = CO2(g) + H2O(l) + 2 NaCl(aq)
KOH + H2O2 + Cr(OH)3 = K2CrO4 + H2O =>
4 KOH + 3 H2O2 + 2 Cr(OH)3 = 2 K2CrO4 + 8 H2O
[Ni(NH3)6](NO3)2 + Na2S2O3 + H2SO4 = S + NiSO4 + NaNO3 + NH42(SO4) =>
163[Ni(NH3)6](NO3)2 + 606 Na2S2O3 + 465 H2SO4 = 1422 S + 163 NiSO4 + 1212 NaNO3 + 92 NH42(SO4)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
HClO4 + CH3COOH = ClO4{-} + CH3COOH2{+} =>
HClO4 + CH3COOH = ClO4{-} + CH3COOH2{+}
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Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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