| Équations équilibrées la veille |
H2O2 + 2 KI2 = 2 I2 + 2 KOH
AlBr3 + NH4OH = Al(OH)3 + NH4Br =>
AlBr3 + 3 NH4OH = Al(OH)3 + 3 NH4Br
NaOH + Ca(NO2)2 = Ca(OH)2 + NaNO2 =>
2 NaOH + Ca(NO2)2 = Ca(OH)2 + 2 NaNO2
Sr3(PO4)2 + NO3 = Sr(NO3)2 + PO4 =>
Sr3(PO4)2 + 6 NO3 = 3 Sr(NO3)2 + 2 PO4
Pb(NO3)2(ag) = PbO(s) + NO2(g) + O2(g) =>
2 Pb(NO3)2(ag) = 2 PbO(s) + 4 NO2(g) + O2(g)
Ce + HNO3 = Ce(NO3)4 + H2O + NO2 =>
Ce + 8 HNO3 = Ce(NO3)4 + 4 H2O + 4 NO2
Cl3N + NaOH = NH3 + NaOCl =>
Cl3N + 3 NaOH = NH3 + 3 NaOCl
C2H6* = C2H4 + H2 =>
C2H6* = C2H4 + H2
Ag(NH3)2{+} + KI = AgI + NH3 + K{+} =>
Ag(NH3)2{+} + KI = AgI + 2 NH3 + K{+}
H2S + LiOH = Li2S + H2O =>
H2S + 2 LiOH = Li2S + 2 H2O
CH3COCH3 + I2 + NaOH = CHI3 + CH3COONa + HI =>
CH3COCH3 + 3 I2 + NaOH = CHI3 + CH3COONa + 3 HI
C2H6 + O2 = C2O3 + H6 =>
2 C2H6 + 3 O2 = 2 C2O3 + 2 H6
Au(NO3)3 + Li2O = Li(NO3) + Au2O3 =>
2 Au(NO3)3 + 3 Li2O = 6 Li(NO3) + Au2O3
Si2Cl6 + C2H4 = SiH2Cl2 + C6H6 + HCl =>
Si2Cl6 + 3 C2H4 = 2 SiH2Cl2 + C6H6 + 2 HCl
C3H6O + Cl = C3H5OCl + ClH =>
C3H6O + 2 Cl = C3H5OCl + ClH
P4 + Fr = FrP =>
P4 + 4 Fr = 4 FrP
AgNO3(aq) + H2SO4(l) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(l) = Ag2SO4(s) + 2 HNO3(aq)
Cr(NO3)3 + Ni2(SO4)3 = Ni(NO3)3 + Cr2(SO4)3 =>
2 Cr(NO3)3 + Ni2(SO4)3 = 2 Ni(NO3)3 + Cr2(SO4)3
NaHS + FeCl2 = FeS + NaCl + HCl =>
NaHS + FeCl2 = FeS + NaCl + HCl
BrO + H2O = OH + HBr =>
BrO + 2 H2O = 3 OH + HBr
H2(g) + F2(g) = HF(g) =>
H2(g) + F2(g) = 2 HF(g)
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)
HCOONa + K2Cr2O7 + HCl = CrCl3 + KCl + CO2 + H2O + NaCl =>
3 HCOONa + K2Cr2O7 + 11 HCl = 2 CrCl3 + 2 KCl + 3 CO2 + 7 H2O + 3 NaCl
Al + Na2CO3 = Al(CO3) + Na =>
Al + Na2CO3 = Al(CO3) + 2 Na
MgSO4 + Ca(OH)2 = Mg(OH)2 + CaSO4 =>
MgSO4 + Ca(OH)2 = Mg(OH)2 + CaSO4
Zn + MnO2 = ZnO + Mn2O3 =>
Zn + 2 MnO2 = ZnO + Mn2O3
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
Co(NO3)2*6H2O + NaCl = CoCl2 + NaNO3 + H2O =>
Co(NO3)2*6H2O + 2 NaCl = CoCl2 + 2 NaNO3 + 6 H2O
FeFeS + HCl = (H2)2S + FeCl2 =>
FeFeS + 4 HCl = (H2)2S + 2 FeCl2
Bi2(CO3)3 = Bi2O3 + CO2 =>
Bi2(CO3)3 = Bi2O3 + 3 CO2
MnO4{-} + H2O2 = MnO7{-} + H2O =>
MnO4{-} + 3 H2O2 = MnO7{-} + 3 H2O
NH4Cl(s) + NaOH(aq) = NH4OH() + NaCl(aq) =>
NH4Cl(s) + NaOH(aq) = NH4OH() + NaCl(aq)
Ca + CI = CaCI =>
Ca + CI = CaCI
C100H140 + O2 = CO2 + H2O =>
C100H140 + 135 O2 = 100 CO2 + 70 H2O
AuCN + Mg = MgCN + Au =>
AuCN + Mg = MgCN + Au
CrI3 + NaNO3 + Na2CO3 = Na2CrO4 + NaIO3 + NaNO2 + CO2 =>
2 CrI3 + 21 NaNO3 + 5 Na2CO3 = 2 Na2CrO4 + 6 NaIO3 + 21 NaNO2 + 5 CO2
VCl3 = VCl2 + Cl2 =>
2 VCl3 = 2 VCl2 + Cl2
Al + Cu(NO3)2 + NaCl = AlCl3 + NaCu(NO3)2 =>
Al + 3 Cu(NO3)2 + 3 NaCl = AlCl3 + 3 NaCu(NO3)2
H2SO4 + Sr(OH)2 = SrSO4 + H2O =>
H2SO4 + Sr(OH)2 = SrSO4 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
Fe(NO3)3 + Na2CO3 = Na + NO3 + Fe2(CO3)3 =>
2 Fe(NO3)3 + 3 Na2CO3 = 6 Na + 6 NO3 + Fe2(CO3)3
Ba2 + (OH)2 + (H2SO4)2 = *BaSO4 + *H2O =>
Ba2 + 2(OH)2 + (H2SO4)2 = 2*BaSO4 + 4*H2O
(C)(H)3OH + (O)2 = C(O)2 + (H)2O =>
2(C)(H)3OH + 3(O)2 = 2 C(O)2 + 4(H)2O
MnSO4 + K2MnO4 = K2SO4 + MnO2 =>
MnSO4 + K2MnO4 = K2SO4 + 2 MnO2
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CdS + HCl = H2S + CdCl2 =>
CdS + 2 HCl = H2S + CdCl2
MnO4{-} + H{+} + F{-} = F2 + Mn{2+} + H2O =>
2 MnO4{-} + 16 H{+} + 10 F{-} = 5 F2 + 2 Mn{2+} + 8 H2O
CH4 = C4H6 + H2 =>
4 CH4 = C4H6 + 5 H2
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Équations équilibrées sur01/28/25
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