| Équations équilibrées la veille |
2 CO2 + 3 H2O = C2H5OH + 3 O2
FeBr2(aq) + NaOH(aq) = Fe(OH)2 + NaBr =>
FeBr2(aq) + 2 NaOH(aq) = Fe(OH)2 + 2 NaBr
HI(aq) + Li2S(aq) = H2S + LiI =>
2 HI(aq) + Li2S(aq) = H2S + 2 LiI
NaHCO3 + CrCl3 = Cr(OH)3 + CO2 + NaCl =>
3 NaHCO3 + CrCl3 = Cr(OH)3 + 3 CO2 + 3 NaCl
S2 + CO2 = SO2 + C2 =>
S2 + 2 CO2 = 2 SO2 + C2
OH{-} + Mn{2+} + ClO{-} = MnO4{-} + Cl{-} + H2O =>
6 OH{-} + 2 Mn{2+} + 5 ClO{-} = 2 MnO4{-} + 5 Cl{-} + 3 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C3H7COOH(l) + O2(g) = CO2(g) + H2O(g) =>
C3H7COOH(l) + 5 O2(g) = 4 CO2(g) + 4 H2O(g)
C6H5NH2 + HCl = C6H5NH3{+} + Cl{-} =>
C6H5NH2 + HCl = C6H5NH3{+} + Cl{-}
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Al2(SO4)3 + NH4OH = Al2H4OH + N(SO4)3 =>
Al2(SO4)3 + NH4OH = Al2H4OH + N(SO4)3
HNO3 + CaCO3 = Ca(NO3)2 + CO2(g) + H2O(l) =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO2(g) + H2O(l)
C2H6OS + H2O2 = C2H6O2S + H2O =>
C2H6OS + H2O2 = C2H6O2S + H2O
KOH + H2SO4 = K2SO4 + OHH =>
2 KOH + H2SO4 = K2SO4 + 2 OHH
Al + K2CO3 + H2O = H2 + K(Al(OH)4) + KHCO3 =>
2 Al + 2 K2CO3 + 8 H2O = 3 H2 + 2 K(Al(OH)4) + 2 KHCO3
NaCrO4 + NaNO2 + H2SO4 = NaNO3 + Cr2(SO4)3 + Na2SO4 + H2O =>
2 NaCrO4 + 4 NaNO2 + 4 H2SO4 = 4 NaNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
AuCN + HCl = HCN + AuCl =>
AuCN + HCl = HCN + AuCl
HCl + HNO3 + Sn = H2SnCl6 + NO2 + H2O =>
6 HCl + 4 HNO3 + Sn = H2SnCl6 + 4 NO2 + 4 H2O
SbCl3 + (NH4)2S = Sb2S3 + NH4Cl =>
2 SbCl3 + 3(NH4)2S = Sb2S3 + 6 NH4Cl
ClO{-} + H{+} + Cu = Cl{-} + H2O + Cu2{+} =>
ClO{-} + 2 H{+} + 4 Cu = Cl{-} + H2O + 2 Cu2{+}
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
CuBr + HNO3 = Cu(NO3)2 + NO + HBr + H2O =>
3 CuBr + 7 HNO3 = 3 Cu(NO3)2 + NO + 3 HBr + 2 H2O
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
Mg(NO3)2 + NaOH = Mg + OH + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg + 2 OH + 2 NaNO3
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
S2O3 = S + O2 =>
2 S2O3 = 4 S + 3 O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + FeBr2 = AlBr3 + Fe =>
2 Al + 3 FeBr2 = 2 AlBr3 + 3 Fe
S2 + HNO3 = H2SO4 + NO2 + H2O =>
S2 + 12 HNO3 = 2 H2SO4 + 12 NO2 + 4 H2O
NaCl + HCl = Cl2 + NaH =>
NaCl + HCl = Cl2 + NaH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2S + H{+} + NO3{-} = S8 + NO + H2O =>
24 H2S + 16 H{+} + 16 NO3{-} = 3 S8 + 16 NO + 32 H2O
IO3{-} + N3{-} + H2O = I{-} + N2 + OH{-} =>
IO3{-} + 6 N3{-} + 3 H2O = I{-} + 9 N2 + 6 OH{-}
C3H8S(l) + O2(g) = CO2 + H2O + SO2 =>
C3H8S(l) + 6 O2(g) = 3 CO2 + 4 H2O + SO2
C12H26(l) + O2(g) = CO2(g) + H2O(l) =>
2 C12H26(l) + 37 O2(g) = 24 CO2(g) + 26 H2O(l)
CH3NH2 + HI = CH3NH3I =>
CH3NH2 + HI = CH3NH3I
Ag2O + H3PO4 = Ag3PO4 + H2O =>
3 Ag2O + 2 H3PO4 = 2 Ag3PO4 + 3 H2O
H2O2 + NaOCl = NaCl + H2O + O2(g) =>
H2O2 + NaOCl = NaCl + H2O + O2(g)
Br2 + NaHSO3 = NaBr + NaHSO4 + H2O + SO2 =>
Br2 + 3 NaHSO3 = 2 NaBr + NaHSO4 + H2O + 2 SO2
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
CF4 = C + F =>
CF4 = C + 4 F
Zn(s) + AlCl3(aq) = ZnCl2(aq) + Al(s) =>
3 Zn(s) + 2 AlCl3(aq) = 3 ZnCl2(aq) + 2 Al(s)
Ag2CO3(s) + HCl(aq) = AgCl(aq) + H2O(l) + CO2(g) =>
Ag2CO3(s) + 2 HCl(aq) = 2 AgCl(aq) + H2O(l) + CO2(g)
Mg2 + Cu2SO4 = MgSO4 + Cu =>
Mg2 + 2 Cu2SO4 = 2 MgSO4 + 4 Cu
[Ni(C2H8N2)3]Cl2 + HCl = [Ni(C2H10N2)3]Cl2(aq) + Cl2 =>
[Ni(C2H8N2)3]Cl2 + 6 HCl = [Ni(C2H10N2)3]Cl2(aq) + 3 Cl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
LiNO3 + Ag = AgNO3 + Li =>
LiNO3 + Ag = AgNO3 + Li
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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