| Équations équilibrées la veille |
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3Fe(C2O4)3*2H2O + 2(NH4)2SO4 + 2 H2SO4 + 10 H2O
Na2CO3 + LiNO3 = NaNO3 + Li2CO3 =>
Na2CO3 + 2 LiNO3 = 2 NaNO3 + Li2CO3
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
LiBr + CaS = Li2S + CaBr2 =>
2 LiBr + CaS = Li2S + CaBr2
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
HNO3 + Al(OH)3 = H2O + (NO3)3Al =>
3 HNO3 + Al(OH)3 = 3 H2O + (NO3)3Al
Cu + Hg(No3)2 = Cu(No3)2 + Hg =>
Cu + Hg(No3)2 = Cu(No3)2 + Hg
Cr(NO3)3 + BaS = Ba(NO3)2 + Cr2S3 =>
2 Cr(NO3)3 + 3 BaS = 3 Ba(NO3)2 + Cr2S3
Ca(s) + H2O(l) = Ca(OH)2 + H2 =>
Ca(s) + 2 H2O(l) = Ca(OH)2 + H2
KClO3 + NaBr = KBr + NaClO3 =>
KClO3 + NaBr = KBr + NaClO3
Na2CrO4 + Al2(SO4)3 = Na2SO4 + Al2(CrO4)3 =>
3 Na2CrO4 + Al2(SO4)3 = 3 Na2SO4 + Al2(CrO4)3
HCOOH + Ba(OH)2 = COOBa + H2O =>
HCOOH + Ba(OH)2 = COOBa + 2 H2O
Pb(NO3)2 = N2 + O2 + PbO2 =>
Pb(NO3)2 = N2 + 2 O2 + PbO2
HNO3 + NH4 = H2O + NH3 =>
HNO3 + 8 NH4 = 3 H2O + 9 NH3
Pb(NO3)2(aq) + KI(aq) = KNO3(aq) + PbI2(s) =>
Pb(NO3)2(aq) + 2 KI(aq) = 2 KNO3(aq) + PbI2(s)
C2H2O3 + HNO3 = CO2 + N2O + H2O =>
2 C2H2O3 + 2 HNO3 = 4 CO2 + N2O + 3 H2O
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
KNO2 + H2SO4 = HNO2 + KHSO4 =>
KNO2 + H2SO4 = HNO2 + KHSO4
AgBr + CuCl = AgCl + CuBr =>
AgBr + CuCl = AgCl + CuBr
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3CH2CH2CH3 + Br2 = CH3CH2CH2CH2* + HBr =>
2 CH3CH2CH2CH3 + Br2 = 2 CH3CH2CH2CH2* + 2 HBr
Sc + O2 = ScO2 =>
Sc + O2 = ScO2
NaNO3 + Zn + HCl = ZnCl2 + NaNO2 + H2O =>
NaNO3 + Zn + 2 HCl = ZnCl2 + NaNO2 + H2O
HMnO4 + KOH = KMnO4 + H2O =>
HMnO4 + KOH = KMnO4 + H2O
NaCl + Zn(NO3)2 = NaNO3 + ZnCl2 =>
2 NaCl + Zn(NO3)2 = 2 NaNO3 + ZnCl2
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O
FeCl2 + KMnO4 + H2SO4 = HCl + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeCl2 + 2 KMnO4 + 18 H2SO4 = 20 HCl + K2SO4 + 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O
HC2H3O2 + KOH = KC2H3O2 + H2O =>
HC2H3O2 + KOH = KC2H3O2 + H2O
(b)MoS2(g) + O2(g) = MoO3(s) + SO2(g) =>
2(b)MoS2(g) + 7 O2(g) = 2 MoO3(s) + 4 SO2(g)
As2S3 + O2 + H2O = SO2 + H3AsO4 =>
2 As2S3 + 11 O2 + 6 H2O = 6 SO2 + 4 H3AsO4
HC2H4O2 + NaOH = NaC2H4O2 + H2O =>
HC2H4O2 + NaOH = NaC2H4O2 + H2O
[Cu(NH3)2]{+2} + CN{-} + H2O = [Cu(CN)3]{-2} + CNO{-} + NH4{+} + NH3 =>
2[Cu(NH3)2]{+2} + 7 CN{-} + H2O = 2[Cu(CN)3]{-2} + CNO{-} + 2 NH4{+} + 2 NH3
SrO + NO2 + O2 = Sr2(NO3)4 =>
2 SrO + 4 NO2 + O2 = Sr2(NO3)4
MnO4{-} + H3O{+} + H2C2O4 = Mn{2+} + H2O + CO2 =>
2 MnO4{-} + 6 H3O{+} + 5 H2C2O4 = 2 Mn{2+} + 14 H2O + 10 CO2
Al(OH)3 + H2C2O4 = AlCO4 + H2O + C =>
6 Al(OH)3 + 5 H2C2O4 = 6 AlCO4 + 14 H2O + 4 C
Sb2S3(s) + HCl(aq) = SbCl3(s) + H2S(g) =>
Sb2S3(s) + 6 HCl(aq) = 2 SbCl3(s) + 3 H2S(g)
Mg + SO3 = MgSO3 =>
Mg + SO3 = MgSO3
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Ni + HNO3 = H + Ni(NO3)2 =>
Ni + 2 HNO3 = 2 H + Ni(NO3)2
KI(ac) + AgNO3(ac) = INO3(ac) + KAg =>
KI(ac) + AgNO3(ac) = INO3(ac) + KAg
BrO2{-} + OH{-} + N2O4 = BrO3{-} + H2O + NO2{-} =>
BrO2{-} + 2 OH{-} + N2O4 = BrO3{-} + H2O + 2 NO2{-}
P4 + O2 = P4O5 = =>
2 P4 + 5 O2 = 2 P4O5
CH4 + OH{-} = CO + H2O + e =>
CH4 + 6 OH{-} = CO + 5 H2O + 6e
BaO + LiOH = Li2O + Ba(OH)2 =>
BaO + 2 LiOH = Li2O + Ba(OH)2
NaSCN + N2H4 + HCl = CH8ClN5 + NaHS =>
NaSCN + 2 N2H4 + HCl = CH8ClN5 + NaHS
BaCl + NH4P = BaP + NH4Cl =>
BaCl + NH4P = BaP + NH4Cl
KMnSO4 + H2SO4 = KSO4 + MnSO4 + H2 =>
KMnSO4 + H2SO4 = KSO4 + MnSO4 + H2
H2SO4 + FeSO4 + HNO3 = Fe2(SO4)3 + NO2 + H2O =>
H2SO4 + 2 FeSO4 + 2 HNO3 = Fe2(SO4)3 + 2 NO2 + 2 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
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