| Équations équilibrées la veille |
Na2Cr2O7 + 2 Hg(NO3)2 = 2 Na(NO3)2 + Hg2Cr2O7
C2Cl4 + NaC3H5O3 + H2O = C2H6 + CO2 + NaCl =>
7 C2Cl4 + 28 NaC3H5O3 + 8 H2O = 26 C2H6 + 46 CO2 + 28 NaCl
NaNO3 + Ca = Na + CaNO3 =>
NaNO3 + Ca = Na + CaNO3
NaClO(aq) + HCl(aq) = NaCl(aq) + H2O(aq) + Cl2 =>
NaClO(aq) + 2 HCl(aq) = NaCl(aq) + H2O(aq) + Cl2
I2O5 + CO = CO2 + I1 =>
I2O5 + 5 CO = 5 CO2 + 2 I1
C2H5Br + NaOH = C2H5OH + Br2 + Na =>
2 C2H5Br + 2 NaOH = 2 C2H5OH + Br2 + 2 Na
KIO3 + Na2S2O3 = Na2S2O6 + KI =>
KIO3 + Na2S2O3 = Na2S2O6 + KI
CH2CH2 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + H2O + HCOOH =>
5 CH2CH2 + 8 KMnO4 + 12 H2SO4 = 8 MnSO4 + 4 K2SO4 + 12 H2O + 10 HCOOH
NaOH + H2(CO3) = Na2CO3 + H2O =>
2 NaOH + H2(CO3) = Na2CO3 + 2 H2O
C2H5OH(l) + O2(g) = CO2(g) + H2O(g) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
KMnO4 + Na2C2O4 + H{+} = Mn{2+} + CO2 + H2O + K{+} + Na{+} =>
2 KMnO4 + 5 Na2C2O4 + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O + 2 K{+} + 10 Na{+}
sulfuricacid + berylliumhydroxide = berylliumsulfate + water =>
H2SO4 + Be(OH)2 = BeSO4 + 2 H2O
NH3 + NaOCl = N2 + HCl + NaOH =>
2 NH3 + 3 NaOCl = N2 + 3 HCl + 3 NaOH
C6H14 + O2 = CO2 + H2O1 =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O1
Na2S + Cl = NaCl + S =>
Na2S + 2 Cl = 2 NaCl + S
Cu + HCl = CuCl2 + H2(g) =>
Cu + 2 HCl = CuCl2 + H2(g)
Zn + PbN = ZnN2 + Pb =>
Zn + 2 PbN = ZnN2 + 2 Pb
I + NO3 = IO2 + N2 =>
3 I + 2 NO3 = 3 IO2 + N2
Hg(NO3)2 = Hg2 + NO2 + O2 =>
2 Hg(NO3)2 = Hg2 + 4 NO2 + 2 O2
HF + NaAlO2 = Na3AlF6 + H2O + Al2O3 =>
6 HF + 3 NaAlO2 = Na3AlF6 + 3 H2O + Al2O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C8H18 + O8 = CO2 + H2O =>
8 C8H18 + 25 O8 = 64 CO2 + 72 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Li2SO4 + Ca(NO3)2 = Ca2(SO4)2 + LiNO3 =>
2 Li2SO4 + 2 Ca(NO3)2 = Ca2(SO4)2 + 4 LiNO3
K(CO3) + Ag(NO3) = K(NO3) + Ag(CO3) =>
K(CO3) + Ag(NO3) = K(NO3) + Ag(CO3)
HNO + H2O = NO{-} + H3O{+} =>
HNO + H2O = NO{-} + H3O{+}
Ag2SO4 + SrBr2 = Ag2Br2 + SrSO4 =>
Ag2SO4 + SrBr2 = Ag2Br2 + SrSO4
MnS + O2 + H2O = HMnO2 + SO2 =>
4 MnS + 7 O2 + 2 H2O = 4 HMnO2 + 4 SO2
PbCl2 + B(OH)2 = Pb(OH)2 + BCl2 =>
PbCl2 + B(OH)2 = Pb(OH)2 + BCl2
Al(s) + AuNO3(aq) = Au(aq) + AlNO3(aq) =>
Al(s) + AuNO3(aq) = Au(aq) + AlNO3(aq)
CuSO4 + Fe2Cl2 = CuCl + Fe2(SO4)2 =>
2 CuSO4 + Fe2Cl2 = 2 CuCl + Fe2(SO4)2
NiSO4 + Br2 + NaOH = NiOOH + NaBr + Na2SO4 + H2SO4 =>
2 NiSO4 + Br2 + 4 NaOH = 2 NiOOH + 2 NaBr + Na2SO4 + H2SO4
NaHCO3 + HOOCCH2COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + HOOCCH2COOH = NaCH3COO + H2O + 2 CO2
N2 + F3 = NF =>
3 N2 + 2 F3 = 6 NF
CuCl2(aq) + KNO3(aq) = CuNO3(aq) + KCl2(aq) =>
CuCl2(aq) + KNO3(aq) = CuNO3(aq) + KCl2(aq)
BaCl2*2H2O(aq) + H3PO4(aq) = Ba3(PO4)2(s) + HCl + H2O =>
3 BaCl2*2H2O(aq) + 2 H3PO4(aq) = Ba3(PO4)2(s) + 6 HCl + 6 H2O
Nb2Ta2C3F2 = TaC + Nb6C5 + NbF5 + Nb =>
5 Nb2Ta2C3F2 = 10 TaC + Nb6C5 + 2 NbF5 + 2 Nb
Zn + H2Br = HZn + Br =>
2 Zn + H2Br = 2 HZn + Br
Sr + (HNO3) = Sr(NO3)1 + H2 =>
2 Sr + 2(HNO3) = 2 Sr(NO3)1 + H2
Sr(OH)2 + (NH4)2CO3 = SrCO3 + NH3 + H2O =>
Sr(OH)2 + (NH4)2CO3 = SrCO3 + 2 NH3 + 2 H2O
[NH4]2Fe[SO4]2 + NaOH = [NH4]2Fe(OH)2 + NaSO4 =>
[NH4]2Fe[SO4]2 + 2 NaOH = [NH4]2Fe(OH)2 + 2 NaSO4
H2O + NaOH = H2O2 + NaH =>
H2O + NaOH = H2O2 + NaH
LiNO3 + TiO(NO3)2 + C6H10O8 = Li2TiO3 + CO2 + H2O + NO2 =>
18 LiNO3 + 9 TiO(NO3)2 + 2 C6H10O8 = 9 Li2TiO3 + 12 CO2 + 10 H2O + 36 NO2
SeO2 + H2Se = Se + H2O =>
SeO2 + 2 H2Se = 3 Se + 2 H2O
CH2OH + O = C2O + H2O =>
2 CH2OH + 2 O = C2O + 3 H2O
FeSO4 + KClO + H2SO4 = Fe2(SO4)3 + K2SO4 + Cl2 + H2O =>
2 FeSO4 + 2 KClO + 2 H2SO4 = Fe2(SO4)3 + K2SO4 + Cl2 + 2 H2O
Mg + HCHO = Mg(HCO)2 + H2 =>
Mg + 2 HCHO = Mg(HCO)2 + H2
CrO3H3 + Cl2O7 = CrO4 + ClO2 + H2O =>
6 CrO3H3 + 5 Cl2O7 = 6 CrO4 + 10 ClO2 + 9 H2O
Ca(NO3)2*4H2O + NH4OH = CaOH4 + NH4NO3 + H2O =>
2 Ca(NO3)2*4H2O + 6 NH4OH = 2 CaOH4 + 5 NH4NO3 + 9 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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