| Équations équilibrées la veille |
Se + H2O = H2SeO
C12H26 + H2O = CO2 + H2 =>
C12H26 + 24 H2O = 12 CO2 + 37 H2
C2H6 + H2O = CO2 + H2 =>
C2H6 + 4 H2O = 2 CO2 + 7 H2
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
FeI2 + Cu(NO3)2 = Fe(NO3)2 + CuI + I2 =>
2 FeI2 + 2 Cu(NO3)2 = 2 Fe(NO3)2 + 2 CuI + I2
FeS2(g) + O2(g) = Fe2O3(S) + SO2(g) =>
4 FeS2(g) + 9 O2(g) = 2 Fe2O3(S) + 6 SO2(g)
N2(g) + O2 = N2O5 =>
2 N2(g) + 5 O2 = 2 N2O5
FeS2(g) + O2(g) = Fe3O4(s) + SO2(g) =>
3 FeS2(g) + 8 O2(g) = Fe3O4(s) + 6 SO2(g)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
N2H8Cr2O7 = Cr2O3 + N2 + H2O =>
N2H8Cr2O7 = Cr2O3 + N2 + 4 H2O
Hg2(NO3)2(aq) + HBr(aq) = HgBr + HNO3 =>
Hg2(NO3)2(aq) + 2 HBr(aq) = 2 HgBr + 2 HNO3
Fe(No3)3 + NaOH = NaNo3 + Fe(OH)3 =>
Fe(No3)3 + 3 NaOH = 3 NaNo3 + Fe(OH)3
H2Cr2O7 + H2SO4 + CH3OH = Cr2(SO4)3 + CH2O2 + H2O =>
2 H2Cr2O7 + 6 H2SO4 + 3 CH3OH = 2 Cr2(SO4)3 + 3 CH2O2 + 11 H2O
N2(g) + O2 = N2O5(g) =>
2 N2(g) + 5 O2 = 2 N2O5(g)
Ag2S + O2 = Ag + SO2 =>
Ag2S + O2 = 2 Ag + SO2
CH3COCH3 + CuCl2 = CH3COCH2Cl + CuCl + HCl =>
CH3COCH3 + 2 CuCl2 = CH3COCH2Cl + 2 CuCl + HCl
NO3{-} + Al + OH{-} + H2O = NH3 + Al(OH)4{-} =>
3 NO3{-} + 8 Al + 5 OH{-} + 18 H2O = 3 NH3 + 8 Al(OH)4{-}
C2H6 + H2O = CH3CH2OH + H2 =>
C2H6 + H2O = CH3CH2OH + H2
Cu(s) + O2(s) = CuO(s) =>
2 Cu(s) + O2(s) = 2 CuO(s)
OH{-} + CH3COOH = CH3COO{-} + H2O(l) =>
OH{-} + CH3COOH = CH3COO{-} + H2O(l)
CuSO4 + Li2CrO4 = CuCrO4 + Li2SO4 =>
CuSO4 + Li2CrO4 = CuCrO4 + Li2SO4
N2(g) + O2 = NO(g) =>
N2(g) + O2 = 2 NO(g)
FeS2(g) + O2(g) = Fe2O3(g) + SO2(g) =>
4 FeS2(g) + 11 O2(g) = 2 Fe2O3(g) + 8 SO2(g)
CrCl3 + Na2S + H2O = Cr(OH)3 + H2S + NaCl =>
2 CrCl3 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 NaCl
K2CO3 + PbCl2 = K2Cl2 + PbCO3 =>
K2CO3 + PbCl2 = K2Cl2 + PbCO3
C2H6 + H2O = CO + H2 =>
C2H6 + 2 H2O = 2 CO + 5 H2
KI + Br = KBr + I =>
KI + Br = KBr + I
H(NO3) + Sr(CO3) = Sr(NO3)2 + H2O + CO2 =>
2 H(NO3) + Sr(CO3) = Sr(NO3)2 + H2O + CO2
NaClO + H2O = HOCl + NaOH =>
NaClO + H2O = HOCl + NaOH
KOH + KClO3 + PH3 = KCl + K3PO4 + H2O =>
9 KOH + 4 KClO3 + 3 PH3 = 4 KCl + 3 K3PO4 + 9 H2O
N2(g) + O2 = N2O5 =>
2 N2(g) + 5 O2 = 2 N2O5
HSi = H2 + Si3 =>
6 HSi = 3 H2 + 2 Si3
FeI2 + Cu(NO3)2 = Fe(NO3)2 + CuI + I2 =>
2 FeI2 + 2 Cu(NO3)2 = 2 Fe(NO3)2 + 2 CuI + I2
CaS + H2O + CO2 = Ca(HCO3)2 + H2S =>
CaS + 2 H2O + 2 CO2 = Ca(HCO3)2 + H2S
ClO + HO = HClO + HClO3 =>
2 ClO + 2 HO = HClO + HClO3
N2(g) + O2 = N2O3 =>
2 N2(g) + 3 O2 = 2 N2O3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cu(s) + O2(s) = Cu2O(s) =>
4 Cu(s) + O2(s) = 2 Cu2O(s)
C2H6 + H2O = CO + H =>
C2H6 + 2 H2O = 2 CO + 10 H
SnS + HNO3 = SnO2 + NO2 + H2SO4 + H2O =>
SnS + 10 HNO3 = SnO2 + 10 NO2 + H2SO4 + 4 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
H2S + Al2(CO3)3 = Al2S3 + H2O + CO2 =>
3 H2S + Al2(CO3)3 = Al2S3 + 3 H2O + 3 CO2
NaClO + H2O = HClO + Na + OH =>
NaClO + H2O = HClO + Na + OH
H4C3O2 + (OH)4 = H3C3O2 + H2O =>
4 H4C3O2 + (OH)4 = 4 H3C3O2 + 4 H2O
BaCl + NaCl2 = BaCl2 + NaCl =>
BaCl + NaCl2 = BaCl2 + NaCl
N2(g) + O2 = NO2 =>
N2(g) + 2 O2 = 2 NO2
N2(g) + O2 = N2O5(g) =>
2 N2(g) + 5 O2 = 2 N2O5(g)
FeI2 + Cu(NO3)2 = Fe(NO3)2 + CuI2 =>
FeI2 + Cu(NO3)2 = Fe(NO3)2 + CuI2
C6H7NO + O2 = CO2 + H2O + N2 =>
4 C6H7NO + 29 O2 = 24 CO2 + 14 H2O + 2 N2
NaOH + CaCl2 = NaCl2 + CaOH =>
NaOH + CaCl2 = NaCl2 + CaOH
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