| Équations équilibrées la veille |
2 NiOH + H2SO4 = 2 H2O + SO4 + 2 Ni
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
MnS + PbO2 + HNO3 = PbS + Pb(NO3) + HMnO4 =>
MnS + 2 PbO2 + HNO3 = PbS + Pb(NO3) + HMnO4
H + SO6 = H2O + SO4 =>
4 H + SO6 = 2 H2O + SO4
ZnI2 + Na2S = ZnS + NaI =>
ZnI2 + Na2S = ZnS + 2 NaI
Au{3+} + {-} = Au =>
Au{3+} + 3e = Au
HNO3 + KI + HCl = I + NO + KCl + H2O =>
HNO3 + 3 KI + 3 HCl = 3 I + NO + 3 KCl + 2 H2O
(NH2)2 + Cr2O7 = Cr4O3 + N2 + H2O =>
11(NH2)2 + 4 Cr2O7 = 2 Cr4O3 + 11 N2 + 22 H2O
Cl2 + BrK = KCl2 + Br2 =>
2 Cl2 + 2 BrK = 2 KCl2 + Br2
Fe2O3 + CoBr2 = CoO + FeBr3 =>
Fe2O3 + 3 CoBr2 = 3 CoO + 2 FeBr3
CUCl(aq) + Na2CO3(aq) = Na2Cl(aq) + CUCO3(s) =>
CUCl(aq) + Na2CO3(aq) = Na2Cl(aq) + CUCO3(s)
[Sn(H2O)3]{2+} + OH{-} = Sn(OH)2 + H2O =>
[Sn(H2O)3]{2+} + 2 OH{-} = Sn(OH)2 + 3 H2O
MnO4{-2} + H{+} + Fe{+2} = Mn{+2} + Fe{+3} + H2O =>
MnO4{-2} + 8 H{+} + 4 Fe{+2} = Mn{+2} + 4 Fe{+3} + 4 H2O
Fe + HSO4 = Fe(HSO4)3 =>
Fe + 3 HSO4 = Fe(HSO4)3
HI + Al = AlHI =>
HI + Al = AlHI
Be(OH)2(BeCO3)2 + H2O = Be(OH)2 + CO2 =>
Be(OH)2(BeCO3)2 + 2 H2O = 3 Be(OH)2 + 2 CO2
Cl + FeF3 = ClF3 + Fe =>
Cl + FeF3 = ClF3 + Fe
Li2S + P2S5 = Li3PS4 =>
3 Li2S + P2S5 = 2 Li3PS4
C2H4Cl2 + KOH = C2H2 + KCl + H2O =>
C2H4Cl2 + 2 KOH = C2H2 + 2 KCl + 2 H2O
O2 + H2O = H2O3 =>
O2 + H2O = H2O3
BaO2 + (H2)2 = Ba + OH =>
2 BaO2 + (H2)2 = 2 Ba + 4 OH
I2 + Cl2 + OH{-} = H3IO8{2-} + Cl{-} + H2O =>
I2 + 11 Cl2 + 26 OH{-} = 2 H3IO8{2-} + 22 Cl{-} + 10 H2O
FeCl3Cu = FeCl2CuCl =>
FeCl3Cu = FeCl2CuCl
BaF2 = Ba{2+} + F{-} =>
BaF2 = Ba{2+} + 2 F{-}
(f)HCl + Zn = ZnCl2 + H2 =>
2(f)HCl + Zn = ZnCl2 + H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
PbCl2 + Mg(OH)2 = Pb(OH)2 + MgCl2 =>
PbCl2 + Mg(OH)2 = Pb(OH)2 + MgCl2
ZnCO3 + MgSO4 = MgCO3 + ZnSO4 =>
ZnCO3 + MgSO4 = MgCO3 + ZnSO4
NaHCO3 = NaOH + CO2 =>
NaHCO3 = NaOH + CO2
Hg + Cl = Hg2Cl2 =>
2 Hg + 2 Cl = Hg2Cl2
HF + Al(OH)2 = F + HAl(OH)2 =>
HF + Al(OH)2 = F + HAl(OH)2
C2H6Cl2 = C2H5ClHCl =>
C2H6Cl2 = C2H5ClHCl
SnS + HNO3 = H2S + Sn(NO3)2 =>
SnS + 2 HNO3 = H2S + Sn(NO3)2
NI + Cl = NCl + I =>
NI + Cl = NCl + I
KNO2 + KSCN + Au + H2O = KAuC2N2 + KOH + N2O + K2SO3 =>
18 KNO2 + 8 KSCN + 4 Au + 3 H2O = 4 KAuC2N2 + 6 KOH + 9 N2O + 8 K2SO3
AgC2H3O2(aq) + SrI2(aq) = AgI2 + SrC2H3O2 =>
AgC2H3O2(aq) + SrI2(aq) = AgI2 + SrC2H3O2
AgOH + H(subscript)2SO(subscript)4 = Ag(subscript)2SO(subscript)4 + H(subscript)2O =>
2 AgOH + H(subscript)2SO(subscript)4 = Ag(subscript)2SO(subscript)4 + 2 H(subscript)2O
Cu(s) + S(s) = Cu5S(s) =>
5 Cu(s) + S(s) = Cu5S(s)
MgSO4 + Ca(OH)2 = CaSO4 + Mg(OH)2 =>
MgSO4 + Ca(OH)2 = CaSO4 + Mg(OH)2
AgC2H3O2(aq) + SrI2(aq) = AgI + Sr(C2H3O2)2 =>
2 AgC2H3O2(aq) + SrI2(aq) = 2 AgI + Sr(C2H3O2)2
Na2S + Al(C2H3O2)3 = C2H3NaO2 + Al2S3 =>
3 Na2S + 2 Al(C2H3O2)3 = 6 C2H3NaO2 + Al2S3
Ba(NO3)2 + Li2SO4 = BaSO4 + LiNO3 =>
Ba(NO3)2 + Li2SO4 = BaSO4 + 2 LiNO3
C = C2 =>
2 C = C2
Hg + Cl = Hg2Cl2 =>
2 Hg + 2 Cl = Hg2Cl2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
NaOH + Zn(No3)2 = Na(No3)2 + ZnOH =>
NaOH + Zn(No3)2 = Na(No3)2 + ZnOH
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C3H5O2K + O2 = CO2 + H2O + K2CO3 =>
2 C3H5O2K + 7 O2 = 5 CO2 + 5 H2O + K2CO3
K[Cr(H20)2(C2O4)2]*2H2O + KMnO4 + H2SO4 = MnSO4 + K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
10 K[Cr(H20)2(C2O4)2]*2H2O + 88 KMnO4 + 152 H2SO4 = 88 MnSO4 + 49 K2SO4 + 5 Cr2(SO4)3 + 40 CO2 + 372 H2O
H2 + Se8 = H2Se =>
8 H2 + Se8 = 8 H2Se
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