| Équations équilibrées la veille |
ZnSO4 + 2 NaNO3 = Zn(NO3)2 + Na2SO4
Na + OH + H2S = Na2S + H2O =>
2 Na + 2 OH + H2S = Na2S + 2 H2O
C8H11N(s) + C2H4O2(aq) = C10H15NO2(aq) =>
C8H11N(s) + C2H4O2(aq) = C10H15NO2(aq)
FeSO4 + (NH4)2S = FeS + (NH4)2SO4 =>
FeSO4 + (NH4)2S = FeS + (NH4)2SO4
MgSO4 + C2H2O4 = MgC2O4 + H2SO4 =>
MgSO4 + C2H2O4 = MgC2O4 + H2SO4
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Mg + Al(NO3)3 = Al + Mg(NO3)2 =>
3 Mg + 2 Al(NO3)3 = 2 Al + 3 Mg(NO3)2
Kl + Pb(NO3)2 = Kl(NO3) + Pb =>
2 Kl + Pb(NO3)2 = 2 Kl(NO3) + Pb
PtCl4 + NaOH = Na2Pt(OH)6 + NaCl =>
PtCl4 + 6 NaOH = Na2Pt(OH)6 + 4 NaCl
CoCl2(aq) + KI(aq) = CoI2(aq) + KCl(aq) =>
CoCl2(aq) + 2 KI(aq) = CoI2(aq) + 2 KCl(aq)
Pb + Zn(CH3CO2)2 = Zn + Pb(CH3CO2)2 =>
Pb + Zn(CH3CO2)2 = Zn + Pb(CH3CO2)2
KNO3 + BaCrO4 = K2CrO4 + Ba(NO3)2 =>
2 KNO3 + BaCrO4 = K2CrO4 + Ba(NO3)2
Pb + Zn(CH3CO2)2 = Zn + Pb(CH3CO2)2 =>
Pb + Zn(CH3CO2)2 = Zn + Pb(CH3CO2)2
H8 = H3 =>
3 H8 = 8 H3
Na + CdS = Na2S + Cd =>
2 Na + CdS = Na2S + Cd
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
Be2 + HCl = BeCl2 + H2 =>
Be2 + 4 HCl = 2 BeCl2 + 2 H2
Ba + NaOH = BaOH + Na2O + H =>
Ba + 2 NaOH = BaOH + Na2O + H
AlCl3 + FeO = Al2O3 + FeCl2 =>
2 AlCl3 + 3 FeO = Al2O3 + 3 FeCl2
(CH3COO)2Ba + Na2SO4 = BaSO4 + CH3COONa =>
(CH3COO)2Ba + Na2SO4 = BaSO4 + 2 CH3COONa
Na2O + H2O = NaO4 + H2 =>
Na2O + 7 H2O = 2 NaO4 + 7 H2
N2 + PbO = Pb3N2 + O2 =>
2 N2 + 6 PbO = 2 Pb3N2 + 3 O2
NiCO3 + H2O = Ni(OH)2 + H2CO3 =>
NiCO3 + 2 H2O = Ni(OH)2 + H2CO3
NH3 + KMnO4 + H2SO4 = N10O10 + K2SO4 + MnSO4 + H2O =>
10 NH3 + 10 KMnO4 + 15 H2SO4 = N10O10 + 5 K2SO4 + 10 MnSO4 + 30 H2O
K2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + H2O + KHSO4 =>
4 K2Cr2O7 + 17 H2SO4 + 3 H2S = 4 Cr2(SO4)3 + 16 H2O + 8 KHSO4
Al2(SO4)3 + NaHO = Al(HO)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaHO = 2 Al(HO)3 + 3 Na2SO4
CH3COOH(l) + NaOH = H2O + NaCH3COO =>
CH3COOH(l) + NaOH = H2O + NaCH3COO
Na4{+} + H{+} = Na{+} + H4{+} =>
Na4{+} + 4 H{+} = 4 Na{+} + H4{+}
HNo3 + Ca(OH)2 + H2O = Ca(No3)2*4H2O =>
2 HNo3 + Ca(OH)2 + 2 H2O = Ca(No3)2*4H2O
H2SO3 + Mg(OH)2 = MgSO3 + H2O =>
H2SO3 + Mg(OH)2 = MgSO3 + 2 H2O
Na + O2 + N2 = NaNO3 =>
2 Na + 3 O2 + N2 = 2 NaNO3
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Fe(OH)2 = FeO + H2O =>
Fe(OH)2 = FeO + H2O
CH2O2 + Ag(NH3)2OH = Ag + CO2 + H2O + NH3 =>
CH2O2 + 2 Ag(NH3)2OH = 2 Ag + CO2 + 2 H2O + 4 NH3
Cr2O7{2-} + OH{-} = CrO4{2-} + H{+} =>
Cr2O7{2-} + OH{-} = 2 CrO4{2-} + H{+}
K2Cr2O7 + NH4OH = K2(OH) + NH4Cr2O7 =>
K2Cr2O7 + NH4OH = K2(OH) + NH4Cr2O7
Fe2(S2O3)3 + H2O = Fe2O3 + H2S + SO2 =>
Fe2(S2O3)3 + 2 H2O = Fe2O3 + 2 H2S + 4 SO2
H2S + LiOH = Li2S + H2O =>
H2S + 2 LiOH = Li2S + 2 H2O
CrO3 + KOH = K2CrO4 + H2O =>
CrO3 + 2 KOH = K2CrO4 + H2O
HCl(aq) + Sr(OH)2(s) = SrCl2(aq) + H2O(l) =>
2 HCl(aq) + Sr(OH)2(s) = SrCl2(aq) + 2 H2O(l)
Cl{-} + H3O{+} + Cr2O7{-2} = H2O + Cl2 + Cr{3+} =>
6 Cl{-} + 14 H3O{+} + Cr2O7{-2} = 21 H2O + 3 Cl2 + 2 Cr{3+}
MnO4{-} + NO{2-} + H2O = MnO2 + NO{-} + OH{-} =>
MnO4{-} + 3 NO{2-} + 2 H2O = MnO2 + 3 NO{-} + 4 OH{-}
NiC2O4*2(H2O) + O2 = NiO + H2O + CO2 =>
2 NiC2O4*2(H2O) + O2 = 2 NiO + 4 H2O + 4 CO2
FeNCS = Fe + SCN =>
FeNCS = Fe + SCN
Au(s) + Cl2(g) = AuCl3(s) =>
2 Au(s) + 3 Cl2(g) = 2 AuCl3(s)
Al2(SO4)3 + Na2(C2O4) = Al2(C2O4)3 + Na2(SO4) =>
Al2(SO4)3 + 3 Na2(C2O4) = Al2(C2O4)3 + 3 Na2(SO4)
MgO + HClO = Mg(ClO)2 + H2O =>
MgO + 2 HClO = Mg(ClO)2 + H2O
Zn + Cu3N = Zn3N2 + Cu =>
3 Zn + 2 Cu3N = Zn3N2 + 6 Cu
Cu(s) + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu(s) + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
Cl{5+} + H{2}O = H{3+}PO{4+} + HCl =>
Cl{5+} + 8 H{2}O = 7 H{3+}PO{4+} + HCl
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Équations équilibrées sur10/17/24
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