| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 K2CO3 + 3 Br2 = 5 KBr + 3 CO2 + KBrO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
AgNO3(s) = Ag(s) + NO2(g) + O2(g)AgNO3(s) = Ag(s) + NO2(g) + O2(g) =>
3 AgNO3(s) = 2 Ag(s) + 2 NO2(g) + O2(g)AgNO3(s)
CrCl3 + KNO2 + KOH = K2CrO4 + NO + KCl + H2O =>
CrCl3 + 3 KNO2 + 2 KOH = K2CrO4 + 3 NO + 3 KCl + H2O
MnO2 + Cl2 + NaOH = NaMnO4 + NaCl + H2O =>
2 MnO2 + 3 Cl2 + 8 NaOH = 2 NaMnO4 + 6 NaCl + 4 H2O
CrCl3 + KNO2 + KOH = K2CrO4 + NO + KCl + H2O =>
CrCl3 + 3 KNO2 + 2 KOH = K2CrO4 + 3 NO + 3 KCl + H2O
CH3COOH + ZnO = (CH3COO)2Zn + H2O =>
2 CH3COOH + ZnO = (CH3COO)2Zn + H2O
NaHSO3 + Cl2 + H2O = NaHSO4 + HCl =>
NaHSO3 + Cl2 + H2O = NaHSO4 + 2 HCl
AgNO3(aq) + Na2S(aq) = Ag2S(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2S(aq) = Ag2S(s) + 2 NaNO3(aq)
CuO + SO2 = Cu + SO3 =>
CuO + SO2 = Cu + SO3
Zn + KClO3 + KOH + H2O = K3[Zn(OH)4] + KCl =>
6 Zn + KClO3 + 18 KOH + 3 H2O = 6 K3[Zn(OH)4] + KCl
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
O4 = O5 =>
5 O4 = 4 O5
Ag(ac) + Cl(ac) = AgCl(s) =>
Ag(ac) + Cl(ac) = AgCl(s)
Al2O3(s) + MgCl2(aq) = AlCl3(aq) + MgO(aq) =>
Al2O3(s) + 3 MgCl2(aq) = 2 AlCl3(aq) + 3 MgO(aq)
K2[Cu(C2O4)2]*2H2O + NH3 = K2[Cu(NH3)2] + C2O4 + H2O =>
K2[Cu(C2O4)2]*2H2O + 2 NH3 = K2[Cu(NH3)2] + 2 C2O4 + 2 H2O
As + O2 = As2O5 =>
4 As + 5 O2 = 2 As2O5
Na2C3S5 + NiCl2 + N(C4H9)4Br = [N(C4H9)4]2[Ni(C3S5)2] + NaBr + NaCl =>
2 Na2C3S5 + NiCl2 + 2 N(C4H9)4Br = [N(C4H9)4]2[Ni(C3S5)2] + 2 NaBr + 2 NaCl
K2MnO4 + BiBr3 + H2TeO4 = Br2 + MnTeO4 + Bi2TeO4 + K2TeO4 + H2O =>
K2MnO4 + 4 BiBr3 + 4 H2TeO4 = 6 Br2 + MnTeO4 + 2 Bi2TeO4 + K2TeO4 + 4 H2O
SO3 + Na = Na2SO4 + S =>
4 SO3 + 6 Na = 3 Na2SO4 + S
CrCl3 + Ba(NO3)2 = Cr(NO3)3 + BaCl2 =>
2 CrCl3 + 3 Ba(NO3)2 = 2 Cr(NO3)3 + 3 BaCl2
Sn{2+} + Hg{2+} = Sn{4+} + Hg2{2+} =>
Sn{2+} + 2 Hg{2+} = Sn{4+} + Hg2{2+}
C3H7OH + O2 = C3H6O + H2O =>
2 C3H7OH + O2 = 2 C3H6O + 2 H2O
Mg3N2(s) + H2SO4(aq) = MgSO4(aq) + (NH4)2SO4(aq) =>
Mg3N2(s) + 4 H2SO4(aq) = 3 MgSO4(aq) + (NH4)2SO4(aq)
K2SO3 + Br2 = KBr + SO3 =>
K2SO3 + Br2 = 2 KBr + SO3
Al2S3 + CaH2 = AlH3 + CaS =>
Al2S3 + 3 CaH2 = 2 AlH3 + 3 CaS
Cu + O2 + HC2H3O2 = H2O + Cu(C2H3O2)2 =>
2 Cu + O2 + 4 HC2H3O2 = 2 H2O + 2 Cu(C2H3O2)2
As + O3 = As2O3 =>
2 As + O3 = As2O3
Ca(OH)2 + Al2O3 = CaAl2O4 + H2O =>
Ca(OH)2 + Al2O3 = CaAl2O4 + H2O
Al6 = Al =>
Al6 = 6 Al
HClO4 + BrOH = Br(ClO4) + H2O =>
HClO4 + BrOH = Br(ClO4) + H2O
H2I2 = IH =>
H2I2 = 2 IH
Fe + Ag(C2H3O2) = Fe(C2H3O2)3 + Ag =>
Fe + 3 Ag(C2H3O2) = Fe(C2H3O2)3 + 3 Ag
Sr(HCO3)2 = Sr2 + HCO3 =>
2 Sr(HCO3)2 = Sr2 + 4 HCO3
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
KMnO4 + Na2C2O4 + H2SO4 = KSO4 + MnSO4 + Na2SO4 + H2O + CO2 =>
KMnO4 + 2 Na2C2O4 + 4 H2SO4 = KSO4 + MnSO4 + 2 Na2SO4 + 4 H2O + 4 CO2
C4H6O10 + O2 = CO2 + H2O =>
2 C4H6O10 + O2 = 8 CO2 + 6 H2O
Bi + N2 = BiN =>
2 Bi + N2 = 2 BiN
NaOH + CuSO4 + C3H5(OH)3 = C3H6O3Cu + H2O + Na2SO4 =>
2 NaOH + CuSO4 + C3H5(OH)3 = C3H6O3Cu + 2 H2O + Na2SO4
NaIO3 + NaHSO3 = HI + H2SO4 + Na2SO4 =>
NaIO3 + 3 NaHSO3 = HI + H2SO4 + 2 Na2SO4
MoS2 + HNO3 = H2MoO4 + NO2 + H2SO4 + H2O =>
MoS2 + 18 HNO3 = H2MoO4 + 18 NO2 + 2 H2SO4 + 6 H2O
NaI + H2SO4 = NaSO4 + H + I2 =>
2 NaI + 2 H2SO4 = 2 NaSO4 + 4 H + I2
Sn(OH)1 + HBr = H2O + SnBr =>
Sn(OH)1 + HBr = H2O + SnBr
CoCl2 + HCl = H2[CoCl4] =>
CoCl2 + 2 HCl = H2[CoCl4]
HNO3 + Zn = Zn(NO3)2 + NH4NO4 + H2O =>
8 HNO3 + 3 Zn = 3 Zn(NO3)2 + NH4NO4 + 2 H2O
NH4OH + O2 = NO2 + H2O =>
4 NH4OH + 7 O2 = 4 NO2 + 10 H2O
Na + Fe3(PO4)2 = Na3(PO4) + Fe =>
6 Na + Fe3(PO4)2 = 2 Na3(PO4) + 3 Fe
Zn(OH)2 + CH3COOH = Zn(CH2COOH)2 + H2O =>
Zn(OH)2 + 2 CH3COOH = Zn(CH2COOH)2 + 2 H2O
BaCl2NaOH = BaOHNaClCl =>
BaCl2NaOH = BaOHNaClCl
Mg + NaHSO4 = Mg(NaHSO4)2 =>
Mg + 2 NaHSO4 = Mg(NaHSO4)2
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Équations équilibrées sur12/09/24
Équations équilibrées sur01/08/24
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