| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 14 HCl = 3 Cl2 + 2 KCl + 2 CrCl3 + 7 HOH
Na2C2O4 + KMnO4 + H2SO4 = Na2SO4 + K2SO4 + CO2 + H2O + MnSO4 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = 5 Na2SO4 + K2SO4 + 10 CO2 + 8 H2O + 2 MnSO4
Fe(ll) + HCl = FeCl2 + H2 =>
Fe(ll) + 2 HCl = FeCl2 + H2
N2O + SO2 = N2 + SO3 =>
N2O + SO2 = N2 + SO3
C5H12(l) + O2(g) = CO(g) + H20(g) =>
10 C5H12(l) + 25 O2(g) = 50 CO(g) + 6 H20(g)
SiO2 + HNO3 = HSiO2 + NO3 =>
SiO2 + HNO3 = HSiO2 + NO3
Ag2CO3 = Ag + CO2 + O2 =>
2 Ag2CO3 = 4 Ag + 2 CO2 + O2
Zn(C2H3O2)2 + KNO3 = ZnNO3 + K(C2H3O2)2 =>
Zn(C2H3O2)2 + KNO3 = ZnNO3 + K(C2H3O2)2
KO2(s) + CO2(g) = K2CO(s) + O2(g) =>
4 KO2(s) + 2 CO2(g) = 2 K2CO(s) + 5 O2(g)
H3Po4 + Pt(OH)4 = Pt3(Po4)4 + H2O =>
4 H3Po4 + 3 Pt(OH)4 = Pt3(Po4)4 + 12 H2O
NaF + C = NaFC =>
NaF + C = NaFC
Fe + HgO = Fe2O3 + Hg =>
2 Fe + 3 HgO = Fe2O3 + 3 Hg
Cr2O3 + H2 = Cr + H2O =>
Cr2O3 + 3 H2 = 2 Cr + 3 H2O
CuCO3*Cu(OH)2(s) + H2SO4(aq) = CuSO4 + CO2 + H2O =>
CuCO3*Cu(OH)2(s) + 2 H2SO4(aq) = 2 CuSO4 + CO2 + 3 H2O
MnO{4-} + NO{2-} + H{+} = Mn{+2} + NO{3-} + H2O =>
MnO{4-} + 4 NO{2-} + 2 H{+} = Mn{+2} + 4 NO{3-} + H2O
Cu + H2SO4 = CuSO4 + H2O + S20 =>
60 Cu + 80 H2SO4 = 60 CuSO4 + 80 H2O + S20
C6H12O6(s) + O2 = CO2H2O =>
C6H12O6(s) + 6 O2 = 6 CO2H2O
HCl + HClO4 = H2O + Cl2 =>
7 HCl + HClO4 = 4 H2O + 4 Cl2
C6H10 + H2SO4 = C18H28 + H2SO3 + H2O =>
3 C6H10 + H2SO4 = C18H28 + H2SO3 + H2O
Al + Li2SO4 = Li + AlSO4 =>
Al + Li2SO4 = 2 Li + AlSO4
H2SO4 + HCl = H2SO3 + Cl + H2O =>
H2SO4 + 2 HCl = H2SO3 + 2 Cl + H2O
Cl2(g) + CsBr(aq) = Cl2Cs2(g) + Br(aq) =>
Cl2(g) + 2 CsBr(aq) = Cl2Cs2(g) + 2 Br(aq)
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Mg3N2 + LiCl = Li3N + MgCl2 =>
Mg3N2 + 6 LiCl = 2 Li3N + 3 MgCl2
PbCl4 + H2SO4 = Pb(SO4) + HCl2 =>
PbCl4 + H2SO4 = Pb(SO4) + 2 HCl2
KI + PbO2 + H2SO4 = PbSO4 + K2SO4 + I2 + H2O =>
2 KI + PbO2 + 2 H2SO4 = PbSO4 + K2SO4 + I2 + 2 H2O
Fe(OH)2 = Fe + OH =>
Fe(OH)2 = Fe + 2 OH
Ba(ClO3)2(s) = BaCl2(s) + O2(g) =>
Ba(ClO3)2(s) = BaCl2(s) + 3 O2(g)
CO2 + H2O = C5H12O6 + O2 =>
5 CO2 + 6 H2O = C5H12O6 + 5 O2
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
PbSO4 + SiSO4 = PbSi + SO4 =>
PbSO4 + SiSO4 = PbSi + 2 SO4
CaS(s) + CH3COOH(aq) = Ca(CH3COO)2(aq) + H2S(g) =>
CaS(s) + 2 CH3COOH(aq) = Ca(CH3COO)2(aq) + H2S(g)
Br + NaIO = BrIO + Na =>
Br + NaIO = BrIO + Na
NaCl + Fe(OH)3 = Na(OH) + FeCl3 =>
3 NaCl + Fe(OH)3 = 3 Na(OH) + FeCl3
KMnO4 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + MnS4 + H2O =>
2 KMnO4 + 62 FeSO4 + 40 H2SO4 = K2SO4 + 31 Fe2(SO4)3 + 2 MnS4 + 40 H2O
Fe(ClO3)2 + K(OH) = Fe(OH)2 + K(ClO3) =>
Fe(ClO3)2 + 2 K(OH) = Fe(OH)2 + 2 K(ClO3)
CaCO{3} + H{3}PO{4} = Ca{3}(PO{3}){2} + H{2}O + CO{2} =>
CaCO{3} + 2 H{3}PO{4} = Ca{3}(PO{3}){2} + 2 H{2}O + CO{2}
FeS2 + Cu2S + HNO3 = Fe2(SO43)3 + CuSO4 + NO + H2O =>
6 FeS2 + 3 Cu2S + 274 HNO3 = 3 Fe2(SO43)3 + 6 CuSO4 + 274 NO + 137 H2O
Cu(NO3)2 + Ag = AgNO3 + Cu2 =>
2 Cu(NO3)2 + 4 Ag = 4 AgNO3 + Cu2
P + Cl5 = PCl3 =>
5 P + 3 Cl5 = 5 PCl3
Cu(NO2)2 = CuO + NO2 + NO =>
Cu(NO2)2 = CuO + NO2 + NO
P + Cl5 = PCl3 =>
5 P + 3 Cl5 = 5 PCl3
K(s) + Ca(OH)2(aq) = KOH(aq) + Ca(s) =>
2 K(s) + Ca(OH)2(aq) = 2 KOH(aq) + Ca(s)
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
C5H10(l) + O2(g) = CO2(g) + H2(g) =>
C5H10(l) + 5 O2(g) = 5 CO2(g) + 5 H2(g)
Fe + S + HCl = FeH + SCl =>
Fe + S + HCl = FeH + SCl
Xe + Fe2 = XeFe =>
2 Xe + Fe2 = 2 XeFe
H2 + C + N2 = HCN2 =>
H2 + 2 C + 2 N2 = 2 HCN2
HBr(aq) + NaOH = H2O + NaBr =>
HBr(aq) + NaOH = H2O + NaBr
Sb{3+} + Zn = Sb + Zn{2+} =>
2 Sb{3+} + 3 Zn = 2 Sb + 3 Zn{2+}
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/27/24
Équations équilibrées sur01/26/24
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