| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(OH)2 + 2 KCN = Ca(CN)2 + 2 KOH
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
K2Cr2O7 + Cu + H{+} = Cr{3+} + Cu{2+} + H2O + K{+} =>
K2Cr2O7 + 3 Cu + 14 H{+} = 2 Cr{3+} + 3 Cu{2+} + 7 H2O + 2 K{+}
Au(s) + KCN(aq) + H2O(l) + O2(g) = KAu(CN)2(aq) + KOH =>
4 Au(s) + 8 KCN(aq) + 2 H2O(l) + O2(g) = 4 KAu(CN)2(aq) + 4 KOH
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Fe(NO3)2 + KSCN = KNO3 + Fe(SCN)2 =>
Fe(NO3)2 + 2 KSCN = 2 KNO3 + Fe(SCN)2
H2O + LiBr = LiOH + HBr =>
H2O + LiBr = LiOH + HBr
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
HCOOCH3 + [Ag(NH3)2]OH = HCOONH4 + Ag + NH3 + H2O =>
HCOOCH3 + 4[Ag(NH3)2]OH = 2 HCOONH4 + 4 Ag + 6 NH3 + 2 H2O
Mg(CO3)(s) = MgO + (CO2)(g) =>
Mg(CO3)(s) = MgO + (CO2)(g)
K3PO4 + Sr(NO3)2 = Sr3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 KNO3
Br2 + Sr = SrBr2 =>
Br2 + Sr = SrBr2
BBr3 + H2O = B2O3 + HBr =>
2 BBr3 + 3 H2O = B2O3 + 6 HBr
Ce(OH)2 + HCl = CeCl2 + H2O =>
Ce(OH)2 + 2 HCl = CeCl2 + 2 H2O
FeSn + HCl = H2 + FeCl + Sn =>
2 FeSn + 2 HCl = H2 + 2 FeCl + 2 Sn
MgN + H2O = Mg(OH) + NH =>
MgN + H2O = Mg(OH) + NH
Ag3Sn + Hg = Ag2Hg3 + Sn7Hg =>
14 Ag3Sn + 65 Hg = 21 Ag2Hg3 + 2 Sn7Hg
C2H4(g) + KMnO4(aq) + H2SO4(aq) + H2O(l) = C2H6O2(aq) + MnO2(s) + K2SO4 =>
3 C2H4(g) + 2 KMnO4(aq) + H2SO4(aq) + 2 H2O(l) = 3 C2H6O2(aq) + 2 MnO2(s) + K2SO4
CH3CN + H2O + HCl = CH3COOH + NH4 + Cl =>
CH3CN + 2 H2O + HCl = CH3COOH + NH4 + Cl
I{-} + MnO4{-} + H2O = IO3{-} + MnO(OH)2 + OH{-} =>
I{-} + 2 MnO4{-} + 3 H2O = IO3{-} + 2 MnO(OH)2 + 2 OH{-}
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
H2O + B2O3 = B(OH)3 =>
3 H2O + B2O3 = 2 B(OH)3
Na + C4H9OH = C4H8NaO + H2 =>
Na + C4H9OH = C4H8NaO + H2
NaCO3 + AgCl = NaCl + AgCO3 =>
NaCO3 + AgCl = NaCl + AgCO3
Fe(NO3)2 + KSCN = KNO3 + Fe(SCN)2 =>
Fe(NO3)2 + 2 KSCN = 2 KNO3 + Fe(SCN)2
H22 = H2 =>
H22 = 11 H2
H2O + B2O3 = B(OH)3 =>
3 H2O + B2O3 = 2 B(OH)3
H2SO4 + Zn + H2O = (Zn(H2O)4)SO4 + H2 =>
H2SO4 + Zn + 4 H2O = (Zn(H2O)4)SO4 + H2
Cu(OH)2(s) + HBr(aq) = CuBr2(s) + HOH(aq) =>
Cu(OH)2(s) + 2 HBr(aq) = CuBr2(s) + 2 HOH(aq)
Mg(OH)2 + Cu(NO3)2 = Cu2NO3(OH)3 + Mg(NO3)2 =>
3 Mg(OH)2 + 4 Cu(NO3)2 = 2 Cu2NO3(OH)3 + 3 Mg(NO3)2
Ni(OH)2 + H = NiOH + H2O =>
Ni(OH)2 + H = NiOH + H2O
MgO2 = Mg + O2 =>
MgO2 = Mg + O2
NaO + H2SO4 = Na2(SO4)2 + H2O =>
2 NaO + 2 H2SO4 = Na2(SO4)2 + 2 H2O
La2O3 + H2SO4 = La2(SO4)3 + H2O =>
La2O3 + 3 H2SO4 = La2(SO4)3 + 3 H2O
MgBr2 + K3CO3 = MgCO3 + K3Br2 =>
MgBr2 + K3CO3 = MgCO3 + K3Br2
AgOH + NaOH = Ag + Na(OH)2 =>
AgOH + NaOH = Ag + Na(OH)2
Mn{7} + Fe = Fe{2} + Mn{2} =>
2 Mn{7} + 5 Fe = 5 Fe{2} + 2 Mn{2}
H3PO4 + KOH = K3PO4 + H2O* =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O*
CuBr2 + Pb(CH3COO)2 = Cu(CH3COO)2 + PbBr2 =>
CuBr2 + Pb(CH3COO)2 = Cu(CH3COO)2 + PbBr2
KCl + Na3PO4 = KPO4 + Na3Cl =>
KCl + Na3PO4 = KPO4 + Na3Cl
H(C2H3O2) + NaOH = Na(C2H3O2) + HOH =>
H(C2H3O2) + NaOH = Na(C2H3O2) + HOH
Fe2O3 + e + H2O = FeO4{2-} + H =>
Fe2O3 + 4e + 5 H2O = 2 FeO4{2-} + 10 H
CaCO3 + MnSO4 = CaSO4 + MnCO3 =>
CaCO3 + MnSO4 = CaSO4 + MnCO3
C2H3O2NH4 + H2O = NH4OH + C2H4O2 =>
C2H3O2NH4 + H2O = NH4OH + C2H4O2
Fe(s) + CuCl2(aq) = Cu(s) + FeCl2(aq) =>
Fe(s) + CuCl2(aq) = Cu(s) + FeCl2(aq)
HCl + CaCO3 = HCO3 + CaCl = =>
HCl + CaCO3 = HCO3 + CaCl
C2H2(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
H{+} + BrO3{-} + Hg = Br2 + HgO + H2O =>
2 H{+} + 2 BrO3{-} + 5 Hg = Br2 + 5 HgO + H2O
Cu(OH)2 + NH3 = Cu(NH3)6{+2} + OH{-} =>
Cu(OH)2 + 6 NH3 = Cu(NH3)6{+2} + 2 OH{-}
Au3Te + HNO3 = Au(NO3)3 + TeO2 + NO2 + H2O =>
Au3Te + 22 HNO3 = 3 Au(NO3)3 + TeO2 + 13 NO2 + 11 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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