| Équations équilibrées la veille |
3 H2C2O4 + K2Cr2O7 + 5 H2SO4 = 2 KHSO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
KMnO4 + Al + HCl = AlCl3 + KCl + MnCl2 + H2O =>
3 KMnO4 + 5 Al + 24 HCl = 5 AlCl3 + 3 KCl + 3 MnCl2 + 12 H2O
K2Cr2O7 + Sn(NO3)2 + HNO3 = Cr(NO3)3 + Sn(NO3)4 + KNO3 + H2O =>
K2Cr2O7 + 3 Sn(NO3)2 + 14 HNO3 = 2 Cr(NO3)3 + 3 Sn(NO3)4 + 2 KNO3 + 7 H2O
Ba + (OH)2 = BaO + H2O =>
Ba + (OH)2 = BaO + H2O
KMnO4(aq) + SnCl2(s) + HCl(aq) = MnCl2(aq) + SnCl4(s) + KCl(aq) + H2O(l) =>
2 KMnO4(aq) + 5 SnCl2(s) + 16 HCl(aq) = 2 MnCl2(aq) + 5 SnCl4(s) + 2 KCl(aq) + 8 H2O(l)
V + O = V2O5 =>
2 V + 5 O = V2O5
Na3Fe(OH)6 + H2O2 = Na2FeO4 + NaOH + H2O =>
2 Na3Fe(OH)6 + 3 H2O2 = 2 Na2FeO4 + 2 NaOH + 8 H2O
NH3 + Mg(NO3)2 = Mg(NH3) + NO3 =>
NH3 + Mg(NO3)2 = Mg(NH3) + 2 NO3
CoBr3 + K2S = Co2S3 + KBr =>
2 CoBr3 + 3 K2S = Co2S3 + 6 KBr
NH4 + H2SO3 = (NH4)2SO3 + H2 =>
2 NH4 + H2SO3 = (NH4)2SO3 + H2
Pb(OH)2 + NaOH = Na2[Pb(OH)4] =>
Pb(OH)2 + 2 NaOH = Na2[Pb(OH)4]
BaCl2(aq) + K2CrO4(aq) = BaCrO4 + KCl =>
BaCl2(aq) + K2CrO4(aq) = BaCrO4 + 2 KCl
BaCl2(aq) + CuSO4*5H2O(aq) = BaCl2*5H2O(aq) + CuSO4*2H2O(aq) =>
3 BaCl2(aq) + 5 CuSO4*5H2O(aq) = 3 BaCl2*5H2O(aq) + 5 CuSO4*2H2O(aq)
KI(aq) + Br2(aq) = KBr + I2 =>
2 KI(aq) + Br2(aq) = 2 KBr + I2
ZnSO4 + NH4S = NH4SO4 + ZnS =>
ZnSO4 + NH4S = NH4SO4 + ZnS
(NH4)SO4 + O2 = H2SO4 + HNO3 + H2O =>
4(NH4)SO4 + 7 O2 = 4 H2SO4 + 4 HNO3 + 2 H2O
HNO3(ac) + HI(ac) = NO(g) + I2(g) + H2O(l) =>
2 HNO3(ac) + 6 HI(ac) = 2 NO(g) + 3 I2(g) + 4 H2O(l)
Zn(s) + HCl(aq) = Zn2Cl4(aq) + H2(g) =>
2 Zn(s) + 4 HCl(aq) = Zn2Cl4(aq) + 2 H2(g)
CoCl2 + Na2CO3 = CoCO3 + Na2Cl2 =>
CoCl2 + Na2CO3 = CoCO3 + Na2Cl2
HBrO2 = H + Br + O2 =>
HBrO2 = H + Br + O2
Cr2O + H2O + O2 = H2CrO4 =>
2 Cr2O + 4 H2O + 5 O2 = 4 H2CrO4
HCOOH + Ca = (HCOO)Ca + H2 =>
2 HCOOH + 2 Ca = 2(HCOO)Ca + H2
Co{2+} + SCN{-} = [Co(SCN)4]{2-} =>
Co{2+} + 4 SCN{-} = [Co(SCN)4]{2-}
Au(s) + H3SO4(aq) = Au2(SO4)3(aq) + H2(g) =>
4 Au(s) + 6 H3SO4(aq) = 2 Au2(SO4)3(aq) + 9 H2(g)
(C4H10) + C4H8 = C8H18 =>
(C4H10) + C4H8 = C8H18
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
C8H16 + O2 = CO2 + H2O =>
C8H16 + 12 O2 = 8 CO2 + 8 H2O
BaCO3 + CO2 + H2O = Ba(HCO3)2 =>
BaCO3 + CO2 + H2O = Ba(HCO3)2
K2O + H3PO4 = K3PO4 + H2O =>
3 K2O + 2 H3PO4 = 2 K3PO4 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CaSO4 + NH4S = CaS + NH4SO4 =>
CaSO4 + NH4S = CaS + NH4SO4
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
CrCl2 + NaClO3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 CrCl2 + 2 NaClO3 + 12 NaOH = 3 Na2CrO4 + 8 NaCl + 6 H2O
Cu2 + S = Cu2S =>
Cu2 + S = Cu2S
AgCl + KCN = KAg(CN)2 + KCl =>
AgCl + 2 KCN = KAg(CN)2 + KCl
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
FeSO4(aq) + KNO3 = K2SO4 + Fe(NO3)2 =>
FeSO4(aq) + 2 KNO3 = K2SO4 + Fe(NO3)2
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
Fe1 + S = FeS =>
Fe1 + S = FeS
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
As2S3 + (NH4)2S = (NH4)3AsS3 =>
As2S3 + 3(NH4)2S = 2(NH4)3AsS3
KI + CCl4 = KCl + CI4 =>
4 KI + CCl4 = 4 KCl + CI4
Ta + N = TaN =>
Ta + N = TaN
K2Cr2O7 + K2SO3 + HCl = KCl + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 3 K2SO3 + 8 HCl = 8 KCl + Cr2(SO4)3 + 4 H2O
(NH4)Cl + H2O = HCl + NH4OH =>
(NH4)Cl + H2O = HCl + NH4OH
Pb(No3)2 + K2CrO4 = PbCrO4 + No3K =>
Pb(No3)2 + K2CrO4 = PbCrO4 + 2 No3K
HCl + B(OH)2 = BCl2 + H2O =>
2 HCl + B(OH)2 = BCl2 + 2 H2O
Na + Cl = NaCl = NaCl =>
Na + Cl = NaCl
HfC + Bi2O3 = HfO2 + C + Bi =>
3 HfC + 2 Bi2O3 = 3 HfO2 + 3 C + 4 Bi
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Équations équilibrées sur01/04/25
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