| Équations équilibrées la veille | Équations équilibrées le lendemain |
CoCr2O7 + Na = CoNa + Cr2O7
Ni + Cu = CuNi =>
Ni + Cu = CuNi
C2H5COCl + CH3COOH = C5H8O3 + HCl =>
C2H5COCl + CH3COOH = C5H8O3 + HCl
C2H5OH + Cu2O2 = CH3CHO + H2O + Cu =>
2 C2H5OH + Cu2O2 = 2 CH3CHO + 2 H2O + 2 Cu
Pb(C2H3O2)2 + CrO4 = PbCrO4 + C2H3O2 =>
Pb(C2H3O2)2 + CrO4 = PbCrO4 + 2 C2H3O2
Mg + C = Mg10C =>
10 Mg + C = Mg10C
BaCO3 + Sr(OH)2 = Ba(OH)2 + SrCO3 =>
BaCO3 + Sr(OH)2 = Ba(OH)2 + SrCO3
K(OH) + H3PO2 = H2O + K3(PO2) =>
3 K(OH) + H3PO2 = 3 H2O + K3(PO2)
Na + H{3}PO{4} = Na{3}PO{4} + H{2} =>
Na + 3 H{3}PO{4} = Na{3}PO{4} + 3 H{2}
NaOH + CuCl2 = CuCl2Cu(OH)2 + NaCl =>
2 NaOH + 2 CuCl2 = CuCl2Cu(OH)2 + 2 NaCl
Mg + (CO3)2 = Mg(CO3)2 =>
Mg + (CO3)2 = Mg(CO3)2
PbCl4 + O2 = PbO2 + Cl2 =>
PbCl4 + O2 = PbO2 + 2 Cl2
FeO + Br2 = FeBr2 + O2 =>
2 FeO + 2 Br2 = 2 FeBr2 + O2
Sn2{+} + Hg{2+} = Sn{4+} + [Hg2]{2+} =>
2 Sn2{+} + 14 Hg{2+} = 4 Sn{4+} + 7[Hg2]{2+}
H + Cl + AgNO3 = AgCl + HNO3 =>
H + Cl + AgNO3 = AgCl + HNO3
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
P2O3 + Ca(OH)2 = CaPHO3 + H2O =>
P2O3 + 2 Ca(OH)2 = 2 CaPHO3 + H2O
KMnO4 + MnSO4 + KOH = K2SO4 + MnO2 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 KOH = 2 K2SO4 + 5 MnO2 + H2SO4
KNO3 + C2H5NO2 = K2O + CO2 + H2O + N2 =>
18 KNO3 + 10 C2H5NO2 = 9 K2O + 20 CO2 + 25 H2O + 14 N2
C8H9NO + Br2 = C8H8NO + HBr =>
2 C8H9NO + Br2 = 2 C8H8NO + 2 HBr
N2H8Cr2O7 + O2 = N2 + H2O + Cr2O6 =>
2 N2H8Cr2O7 + 3 O2 = 2 N2 + 8 H2O + 2 Cr2O6
Ba(OH)2 + H3PO3 = Ba(HPO3) + H2O =>
Ba(OH)2 + H3PO3 = Ba(HPO3) + 2 H2O
C3H6Cl2 + Cl2 = C3H5Cl3 + HCl =>
C3H6Cl2 + Cl2 = C3H5Cl3 + HCl
K2S2O2 + Cl2 + H2O = KHSO4 + HCl =>
K2S2O2 + 5 Cl2 + 6 H2O = 2 KHSO4 + 10 HCl
NH3 + AnswerHCl = AnswerNH4Cl =>
NH3 + AnswerHCl = AnswerNH4Cl
XMgBr2 + O2 = XMgO + Br2 =>
2 XMgBr2 + O2 = 2 XMgO + 2 Br2
Sb + Te + Se = Sb2Te2Se =>
2 Sb + 2 Te + Se = Sb2Te2Se
K2CrO4 + KNO2 + KOH + H2O = K3(Cr(OH)6) + KNO3 =>
2 K2CrO4 + 3 KNO2 + 2 KOH + 5 H2O = 2 K3(Cr(OH)6) + 3 KNO3
CH4 + MnO2 = Mn2O3 + CO2 + H2O =>
CH4 + 8 MnO2 = 4 Mn2O3 + CO2 + 2 H2O
Cr + OH = CrO4 + H =>
Cr + 4 OH = CrO4 + 4 H
NaCH3COO + KCl = NaCl + KCH3COO =>
NaCH3COO + KCl = NaCl + KCH3COO
Ag(NH3)2 + HCl = AgCl + NH3 + H2 =>
2 Ag(NH3)2 + 2 HCl = 2 AgCl + 4 NH3 + H2
C12H7NCl2O2 + C6H8O6 = C6H6O6 + C12H9NCl2O2 =>
C12H7NCl2O2 + C6H8O6 = C6H6O6 + C12H9NCl2O2
AgIO4 + HNO3 = AgI + NO4 + H2 =>
AgIO4 + 4 HNO3 = AgI + 4 NO4 + 2 H2
HCl + TRIS = TRISH{+} + Cl{-} =>
HCl + TRIS = TRISH{+} + Cl{-}
K3N + Ag = AgN + K =>
K3N + Ag = AgN + 3 K
FeCl2 + AgBr = FeBr2 + AgCl =>
FeCl2 + 2 AgBr = FeBr2 + 2 AgCl
Na2S + KCl = KS + ClNa2 =>
Na2S + KCl = KS + ClNa2
CO2H + C3H8O = C4H7O2 + H2O =>
CO2H + C3H8O = C4H7O2 + H2O
C50H70O20N10P1 + O2 = CO2 + H2O + NH3 + H3PO4 =>
4 C50H70O20N10P1 + 205 O2 = 200 CO2 + 74 H2O + 40 NH3 + 4 H3PO4
Cr2O7 + H2O = CrO6 + H =>
Cr2O7 + 5 H2O = 2 CrO6 + 10 H
H2CO3 + Ti = TiO2 + H2O + CO =>
2 H2CO3 + Ti = TiO2 + 2 H2O + 2 CO
KCeO = KCe + O =>
KCeO = KCe + O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
F2 + LiI = FI + Li =>
F2 + 2 LiI = 2 FI + 2 Li
HClHg2(No3)2 = H(No3)2Hg2Cl =>
HClHg2(No3)2 = H(No3)2Hg2Cl
HF + CaSiO3 = CaF + HSiO3 =>
HF + CaSiO3 = CaF + HSiO3
SrNO3 + NaPO4 = SrPO4 + NaNO3 =>
SrNO3 + NaPO4 = SrPO4 + NaNO3
KI(s) = K(aq) + I(aq) =>
KI(s) = K(aq) + I(aq)
NO3{-} + H3O{+} + e = N2 + H2O =>
2 NO3{-} + 12 H3O{+} + 10e = N2 + 18 H2O
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Équations équilibrées sur12/20/24
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