| Équations équilibrées la veille |
5 Br2 + 10 NaCO3 = 8 NaBr + 2 NaBrO5 + 10 CO2
ClCH2COOHNH3 = H2NCH2COOHHCl =>
ClCH2COOHNH3 = H2NCH2COOHHCl
HS{-} + HSO3{-} = S2O3{-2} + H2O =>
2 HS{-} + 4 HSO3{-} = 3 S2O3{-2} + 3 H2O
HClO4 + NaHCO3 = H2CO3 + NaClO4 =>
HClO4 + NaHCO3 = H2CO3 + NaClO4
I + O2 = I2O7 =>
4 I + 7 O2 = 2 I2O7
Zn + HgCl2 = ZnCl2 + Hg =>
Zn + HgCl2 = ZnCl2 + Hg
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
SiC + KOH = K4SiO4 + K2CO3 + K2O + H2 =>
SiC + 8 KOH = K4SiO4 + K2CO3 + K2O + 4 H2
Br + Cr2O7 = BrO3 + Cr2O3 =>
4 Br + 3 Cr2O7 = 4 BrO3 + 3 Cr2O3
C6H13Br + CO + Ti(OC4H9)4 = C11H22O2 + TiBr4 =>
4 C6H13Br + 4 CO + Ti(OC4H9)4 = 4 C11H22O2 + TiBr4
K2Cr2O7 + HCl = Cl2 + Cr2Cl3 + H2O + KCl =>
2 K2Cr2O7 + 28 HCl = 9 Cl2 + 2 Cr2Cl3 + 14 H2O + 4 KCl
Na2SiO3 + HCl = H2SiO3 + NaCl =>
Na2SiO3 + 2 HCl = H2SiO3 + 2 NaCl
NaHCo3 + H2O = NaH2Co3 + HO =>
NaHCo3 + H2O = NaH2Co3 + HO
Ag(s) + CH3COOH(ag) = Ag(CH3COO)2(ag) + H2(g) =>
Ag(s) + 2 CH3COOH(ag) = Ag(CH3COO)2(ag) + H2(g)
Na3PO4 + CaN2O6 = Ca3P2O8 + NaNO3 =>
2 Na3PO4 + 3 CaN2O6 = Ca3P2O8 + 6 NaNO3
Cr(NO3)2 + (NH4)2SO4 = CrSO4 + NH4NO3 =>
Cr(NO3)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO3
K2SO4 = K + SO4 =>
K2SO4 = 2 K + SO4
C3H4 + O2 = C + H2O =>
C3H4 + O2 = 3 C + 2 H2O
Na2WO4 + H3PO4 = Na6P2W18O62 + H2O + Na2HPO4 =>
18 Na2WO4 + 17 H3PO4 = Na6P2W18O62 + 18 H2O + 15 Na2HPO4
Zn + HCl + (NH4)2Cr2O7 = ZnCl2 + NH4Cl + CrCl3 + H2O =>
3 Zn + 14 HCl + (NH4)2Cr2O7 = 3 ZnCl2 + 2 NH4Cl + 2 CrCl3 + 7 H2O
KIKClO3 = KIO3KCl =>
KIKClO3 = KIO3KCl
Na(s) + KNO3 = K2O(s) + Na2O(s) + N2 =>
10 Na(s) + 2 KNO3 = K2O(s) + 5 Na2O(s) + N2
HI + Sr(OH)2 = SrI2 + H2O =>
2 HI + Sr(OH)2 = SrI2 + 2 H2O
I + O2 = IO =>
2 I + O2 = 2 IO
HBrO3 + Be(OH)2 = Be(OH)BrO3 + H2O =>
HBrO3 + Be(OH)2 = Be(OH)BrO3 + H2O
I + O2 = IO =>
2 I + O2 = 2 IO
Co(AlO2)2 + HCl + H2O = CoCl2 + Al(OH)3 =>
Co(AlO2)2 + 2 HCl + 2 H2O = CoCl2 + 2 Al(OH)3
I + O2 = IO =>
2 I + O2 = 2 IO
KHCO3 + CH3COOH = H2O + KC2H3O2 + CO2 =>
KHCO3 + CH3COOH = H2O + KC2H3O2 + CO2
NaOH + H2S2O4 = NaSO2 + H2O =>
2 NaOH + H2S2O4 = 2 NaSO2 + 2 H2O
C3O9H5N3 = CO2 + H2O + N2 + O2 =>
4 C3O9H5N3 = 12 CO2 + 10 H2O + 6 N2 + O2
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
NaOH + NH4Br = H2O + NH3 + NaBr =>
NaOH + NH4Br = H2O + NH3 + NaBr
Mg + O2 + Br2 = MgO2Br2 =>
Mg + O2 + Br2 = MgO2Br2
K2O + CO = K + CO2 =>
K2O + CO = 2 K + CO2
C8H18 + O2 = C8O2 + H2O =>
2 C8H18 + 11 O2 = 2 C8O2 + 18 H2O
Hg(NO3)2 + FeSO4 + H2SO4 = Fe2(SO4)3 + HgSO4 + NO + H2O =>
Hg(NO3)2 + 6 FeSO4 + 4 H2SO4 = 3 Fe2(SO4)3 + HgSO4 + 2 NO + 4 H2O
Ca(s)N2 = CaN2 =>
Ca(s)N2 = CaN2
HgSO3 = HgO + SO2 =>
HgSO3 = HgO + SO2
[Co(H2O)4ClOH] + NaOH = Co(OH)2 + NaCl + H2O =>
[Co(H2O)4ClOH] + NaOH = Co(OH)2 + NaCl + 4 H2O
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
Ca(OH)2 + CuSO4 = CuSO4*Cu(OH)2 + CaSO4 =>
Ca(OH)2 + 2 CuSO4 = CuSO4*Cu(OH)2 + CaSO4
HIO + O2 = HIO3 =>
HIO + O2 = HIO3
HSO3 + O2 + H2O = H2SO4 =>
4 HSO3 + O2 + 2 H2O = 4 H2SO4
N2O5 + H2O + Mg = NH3 + Mg(NO3)2 =>
9 N2O5 + 3 H2O + 8 Mg = 2 NH3 + 8 Mg(NO3)2
Mn(CH3COO)2 + KMnO4 + H2O = MnO2 + CH3COOK + CH3COOH =>
3 Mn(CH3COO)2 + 2 KMnO4 + 2 H2O = 5 MnO2 + 2 CH3COOK + 4 CH3COOH
C8H4O4{2-} + H2O = CO2 + CH4 + HCO3{-} =>
4 C8H4O4{2-} + 26 H2O = 9 CO2 + 15 CH4 + 8 HCO3{-}
Na2CO3(s) + HI(aq) = CO2 + NaI + H2O =>
Na2CO3(s) + 2 HI(aq) = CO2 + 2 NaI + H2O
C8H11OH + O2 = CO + H2O =>
2 C8H11OH + 13 O2 = 16 CO + 12 H2O
C2 + O1 = CO2 =>
C2 + 4 O1 = 2 CO2
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