| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 P + 5 S = P2S5
Pb(NO3)2(aq) + HCl(aq) = PbCl2(s) + HNO3(aq) =>
Pb(NO3)2(aq) + 2 HCl(aq) = PbCl2(s) + 2 HNO3(aq)
KBrO + Fe + H2SO4 = Fe2(SO4)3 + KBr + H2O =>
3 KBrO + 2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 KBr + 3 H2O
Al(NO3)3 + NH3 = Al(NH3)3 + NO3 =>
Al(NO3)3 + 3 NH3 = Al(NH3)3 + 3 NO3
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + 2 HC2H3O2(aq)
BiCl3 + HNO3 = Bi(NO3)3 + HCl =>
BiCl3 + 3 HNO3 = Bi(NO3)3 + 3 HCl
KBr + H2O2 = Br2 + KOH =>
2 KBr + H2O2 = Br2 + 2 KOH
C6H5OH + KMnO4 = C6H4O2 + MnO2 + H2O + KOH =>
3 C6H5OH + 4 KMnO4 = 3 C6H4O2 + 4 MnO2 + H2O + 4 KOH
Au + Pb(NO3)2 = Au(NO3)3 + Pb =>
2 Au + 3 Pb(NO3)2 = 2 Au(NO3)3 + 3 Pb
C2H5CHO + Cu(OH)2 = C2H5COOH + Cu + H2O =>
C2H5CHO + Cu(OH)2 = C2H5COOH + Cu + H2O
Cu2NO3 + NaOH = Cu2OH + NaNO3 =>
Cu2NO3 + NaOH = Cu2OH + NaNO3
Fe(NO3)3 + K2O = Fe2O3 + KNO3 =>
2 Fe(NO3)3 + 3 K2O = Fe2O3 + 6 KNO3
S + C6H10O5 = C + CO2 + H2S =>
10 S + 2 C6H10O5 = 7 C + 5 CO2 + 10 H2S
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
P4(s) + Cl(g) = PCl3(g) =>
P4(s) + 12 Cl(g) = 4 PCl3(g)
Pb(s) + H2O(l) = PbO + H2 =>
Pb(s) + H2O(l) = PbO + H2
K + HNO3 = KNO3 + NO2 + H2O =>
K + 2 HNO3 = KNO3 + NO2 + H2O
MnO + KOH + O2 = KMnO4 + H2O =>
4 MnO + 4 KOH + 5 O2 = 4 KMnO4 + 2 H2O
Cu + CO2 + O2 + H2O = CuCO3*Cu(OH)2 =>
2 Cu + CO2 + O2 + H2O = CuCO3*Cu(OH)2
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg =>
Hg(NO3)2 + Fe = Fe(NO3)2 + Hg
CaCl2 + Cu(NO3)2 = Ca(NO3)2 + CuCl2 =>
CaCl2 + Cu(NO3)2 = Ca(NO3)2 + CuCl2
B(s) + O2(g) = B2O3 =>
4 B(s) + 3 O2(g) = 2 B2O3
Ag2CO3 + H2SO4 = Ag2SO4 + CO2 + H2O =>
Ag2CO3 + H2SO4 = Ag2SO4 + CO2 + H2O
N3 + H2O = NO2 + H =>
N3 + 6 H2O = 3 NO2 + 12 H
B2Br6 + H(NO3) = B(NO3)3 + HBr =>
B2Br6 + 6 H(NO3) = 2 B(NO3)3 + 6 HBr
C2(g) + O2(g) = CO2 =>
C2(g) + 2 O2(g) = 2 CO2
HCl(g) + O2(g) = Cl2(g) + H2O(g) =>
4 HCl(g) + O2(g) = 2 Cl2(g) + 2 H2O(g)
S + CO2 = SO2 + C =>
S + CO2 = SO2 + C
Ba(OH)2*8H2O(s) + NH4Cl(s) = BaCl2*2H2O(s) + NH3(aq) + H2O(l) =>
Ba(OH)2*8H2O(s) + 2 NH4Cl(s) = BaCl2*2H2O(s) + 2 NH3(aq) + 8 H2O(l)
HNO2 = H2O + NO2 + NO =>
2 HNO2 = H2O + NO2 + NO
Li + HF = LiF + H2 =>
2 Li + 2 HF = 2 LiF + H2
Zn(s) + HCl = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl = ZnCl2(aq) + H2(g)
CoCl2*6H2O + NH4Cl + NH4OH + O2 = (Co(NH3)6)Cl3 + H2O =>
4 CoCl2*6H2O + 4 NH4Cl + 20 NH4OH + O2 = 4(Co(NH3)6)Cl3 + 46 H2O
H4P2O7 + KOH = K4P2O7 + H2O =>
H4P2O7 + 4 KOH = K4P2O7 + 4 H2O
NiCl2 + O = NiO2 + Cl2O5 =>
NiCl2 + 7 O = NiO2 + Cl2O5
NaHSO3 + H2O = H3O + Na + SO3 =>
NaHSO3 + H2O = H3O + Na + SO3
HCHO2(aq) + NaOH(aq) = NaCHO2 + H2O(l) =>
HCHO2(aq) + NaOH(aq) = NaCHO2 + H2O(l)
Au + H2SO4 = Au2(SO4)3 + SO2 + H2O =>
2 Au + 6 H2SO4 = Au2(SO4)3 + 3 SO2 + 6 H2O
K2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2S + 8 KMnO4 + 8 KOH = K2SO4 + 8 K2MnO4 + 4 H2O
Al + Sn = AlSn =>
Al + Sn = AlSn
S + NO3{-} + H2O = SO4{2-} + N2 + H{+} =>
5 S + 6 NO3{-} + 2 H2O = 5 SO4{2-} + 3 N2 + 4 H{+}
HgS(s) = Hg(l) + S8(s) =>
8 HgS(s) = 8 Hg(l) + S8(s)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l) =>
HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l)
Na + Ni(NO3)2 = Ni + Na(NO3)2 =>
Na + Ni(NO3)2 = Ni + Na(NO3)2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Mn(ClO4)2 = Mn{2+} + ClO4{-} =>
Mn(ClO4)2 = Mn{2+} + 2 ClO4{-}
Na2Cr2O7 + HF = NaF + CrF3 + F2 + H2O =>
Na2Cr2O7 + 14 HF = 2 NaF + 2 CrF3 + 3 F2 + 7 H2O
BaSO4 + H2SO4 = Ba(HSO4)2 =>
BaSO4 + H2SO4 = Ba(HSO4)2
C2H5OH(l) + O2(g) = CO2(g) + H2O(g) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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