| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 NaI + 2 Cr(NO3)3 = 2 CrI2 + 6 NaNO3 + I2
AgCrO + Cd = CdCrO + Ag =>
AgCrO + Cd = CdCrO + Ag
[Cu(NH3)4]Cl2 + H2SO4 = CuSO4 + HCl + NH3 =>
[Cu(NH3)4]Cl2 + H2SO4 = CuSO4 + 2 HCl + 4 NH3
Au(S2O3)2 = Au + S2O3 =>
Au(S2O3)2 = Au + 2 S2O3
NBr3(g) + NaOH(aq) = N2(g) + NaBr(aq) + HBrO(aq) =>
2 NBr3(g) + 3 NaOH(aq) = N2(g) + 3 NaBr(aq) + 3 HBrO(aq)
O2 + HB = HB(O2) =>
O2 + HB = HB(O2)
NlCl2 = Nl + Cl2 =>
NlCl2 = Nl + Cl2
SO3 + V2O5 = SO4 + VO =>
3 SO3 + V2O5 = 3 SO4 + 2 VO
Ba(s) + H2O = BaO + H2 =>
Ba(s) + H2O = BaO + H2
LiHCO3 + NaOH = Na2CO3 + H2O + Li2CO3 =>
2 LiHCO3 + 2 NaOH = Na2CO3 + 2 H2O + Li2CO3
Al2O3 + NaCl + CuSO4 = AlCl3 + Na2SO4 + CuO =>
Al2O3 + 6 NaCl + 3 CuSO4 = 2 AlCl3 + 3 Na2SO4 + 3 CuO
K3 + N2 = (K3N)2 =>
2 K3 + N2 = (K3N)2
CaCO3 + HCl = Ca + Cl2 + CO2 + H2O =>
CaCO3 + 2 HCl = Ca + Cl2 + CO2 + H2O
F2(SO4)3 + BaCl2 = BaSO4 + FCl3 =>
F2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 FCl3
H2S + Cr(OH)3 = H2O + Cr2S3 =>
3 H2S + 2 Cr(OH)3 = 6 H2O + Cr2S3
SiH4 + NH3 + TiCl4 = TiSiN + HCl + H2 =>
2 SiH4 + 2 NH3 + 2 TiCl4 = 2 TiSiN + 8 HCl + 3 H2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Pb(OH)2MgCl2 = PbCl2Mg(OH)2 =>
Pb(OH)2MgCl2 = PbCl2Mg(OH)2
Fe + NaOH = Na2FeO2 + H2 =>
Fe + 2 NaOH = Na2FeO2 + H2
I({-}) + IO3({-}) + H{+} = I2 + H2O =>
5 I({-}) + IO3({-}) + 6 H{+} = 3 I2 + 3 H2O
Li + H2O = Li(OH) + H2 =>
2 Li + 2 H2O = 2 Li(OH) + H2
HClO4 + Al2S3 = H2S + Al(ClO4)3 =>
6 HClO4 + Al2S3 = 3 H2S + 2 Al(ClO4)3
Fe + HNO3 = Fe3(NO3)3 + N2O + H2O =>
24 Fe + 30 HNO3 = 8 Fe3(NO3)3 + 3 N2O + 15 H2O
NO2 + O2 = NO2O5 =>
2 NO2 + 5 O2 = 2 NO2O5
Zn(Cl)2 + H2S = ZnS + HCl =>
Zn(Cl)2 + H2S = ZnS + 2 HCl
MgS + HNO3 = NO + H2O + MgSO4 =>
3 MgS + 8 HNO3 = 8 NO + 4 H2O + 3 MgSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Pd + SnCl2 = PdCl + Sn =>
2 Pd + SnCl2 = 2 PdCl + Sn
SiCl4 + Na = Si + NaCl =>
SiCl4 + 4 Na = Si + 4 NaCl
Na2S5 + O2 = Na2S2O3 + S =>
2 Na2S5 + 3 O2 = 2 Na2S2O3 + 6 S
C + S = CS2 =>
C + 2 S = CS2
KMnO4 + H2O + K2S = MnO2 + KOH + S =>
2 KMnO4 + 4 H2O + 3 K2S = 2 MnO2 + 8 KOH + 3 S
Pd + SnCl2 = PdCl2 + Sn2 =>
2 Pd + 2 SnCl2 = 2 PdCl2 + Sn2
Al2(SO4)3 + HCOOH = Al(COOH)3 + H2SO4 =>
Al2(SO4)3 + 6 HCOOH = 2 Al(COOH)3 + 3 H2SO4
Mg + Pb(NO3)2 = Mg(NO3) + Pb =>
2 Mg + Pb(NO3)2 = 2 Mg(NO3) + Pb
Al + Co(NO3)2 = Co + Al2(NO3)3 =>
4 Al + 3 Co(NO3)2 = 3 Co + 2 Al2(NO3)3
Na2S2O3 + KMnO4 + NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
Na2S2O3 + 8 KMnO4 + 10 NaOH = 4 K2MnO4 + 4 Na2MnO4 + 2 Na2SO4 + 5 H2O
Zn(OH)2 + BaO2 = ZnO2 + Ba(OH)2 =>
Zn(OH)2 + BaO2 = ZnO2 + Ba(OH)2
C9H8O4 + H3O = C9H9O4 + H2O =>
C9H8O4 + H3O = C9H9O4 + H2O
Na2CO3 + CaCO3 + Bi2O3 + NH4H2PO4 = Na2CaBi2(PO4)3 + CO2 + NH3 + H2O + O2 =>
4 Na2CO3 + 4 CaCO3 + 4 Bi2O3 + 12 NH4H2PO4 = 4 Na2CaBi2(PO4)3 + 8 CO2 + 12 NH3 + 18 H2O + O2
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Zn + O2 = ZnO4 =>
Zn + 2 O2 = ZnO4
KBrO3 + KBr + H2SO4 = Br2 + H2O + K2SO4 =>
KBrO3 + 5 KBr + 3 H2SO4 = 3 Br2 + 3 H2O + 3 K2SO4
Al(OH)3 + Cl2 = Al(OH)3Cl =>
2 Al(OH)3 + Cl2 = 2 Al(OH)3Cl
KAlSi3O8 + CO2 + H2O = Al2 + Si2O5(OH)4 + H4SiO4 + KHCO3 =>
2 KAlSi3O8 + 2 CO2 + 11 H2O = Al2 + Si2O5(OH)4 + 4 H4SiO4 + 2 KHCO3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
SNO2 + H2 = SN + H2O =>
SNO2 + 2 H2 = SN + 2 H2O
Br + S + H2O = HBr2 + H2SO4 =>
12 Br + S + 4 H2O = 6 HBr2 + H2SO4
SiH4 + CO2 = SiO2 + CO + H2O =>
SiH4 + 4 CO2 = SiO2 + 4 CO + 2 H2O
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