| Équations équilibrées la veille |
2 Na + 2 H2O = 2 NaOH + H2
HBrO2 = HBrO3 + HBr =>
3 HBrO2 = 2 HBrO3 + HBr
Mg2As2 + HCl = HAs + MgCl =>
Mg2As2 + 2 HCl = 2 HAs + 2 MgCl
NaCl + K2CrO4 + AgNO3 = AgCl + NaCrO4 + K2NO3 =>
NaCl + K2CrO4 + AgNO3 = AgCl + NaCrO4 + K2NO3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
CH3C(O)OH + NaOH = CH3COO2H2 + Na =>
CH3C(O)OH + NaOH = CH3COO2H2 + Na
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
N2O5 + H2SO4 = HNO3 + SO3 =>
N2O5 + H2SO4 = 2 HNO3 + SO3
K2S + Cu(NO3)2 = KNO3 + Cu2S2 =>
2 K2S + 2 Cu(NO3)2 = 4 KNO3 + Cu2S2
KMnO4 + K2S + H2SO4 = MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 5 K2S + 12 H2SO4 = 8 MnSO4 + 9 K2SO4 + 12 H2O
HNO3 + NaAlO2 = Al(NO3)3 + NaOH + H2O =>
3 HNO3 + NaAlO2 = Al(NO3)3 + NaOH + H2O
C8H8 + H2 = C8H16 =>
C8H8 + 4 H2 = C8H16
[Na(NH3)6]{+} + e = [Na(NH3)6] =>
[Na(NH3)6]{+} + e = [Na(NH3)6]
C6H12(l) + KMnO4(l) + H2O(l) = C6H12OH + MnO2 + KOH =>
3 C6H12(l) + KMnO4(l) + 2 H2O(l) = 3 C6H12OH + MnO2 + KOH
C2H12O + O2 = CO2 + H2O =>
2 C2H12O + 9 O2 = 4 CO2 + 12 H2O
Cl + Ag(NH3)2 + HNO3 = NH4 + NO3 + AgCl =>
Cl + Ag(NH3)2 + 2 HNO3 = 2 NH4 + 2 NO3 + AgCl
NaHSO3(s) = Na2SO3(s)SO2(g)H2O(l) =>
2 NaHSO3(s) = Na2SO3(s)SO2(g)H2O(l)
Hg + NH3 = Hg(NH3) =>
Hg + NH3 = Hg(NH3)
KMnO4 + C4H10O = C4H8O + KMn + H2O =>
KMnO4 + 4 C4H10O = 4 C4H8O + KMn + 4 H2O
CH3COOH + NaOH + H2O = NaCH3COO*3H2O =>
CH3COOH + NaOH + 2 H2O = NaCH3COO*3H2O
C5H100 + O2 = CO2 + H2O =>
C5H100 + 30 O2 = 5 CO2 + 50 H2O
Ba(IO3)2 = Ba + IO3 =>
Ba(IO3)2 = Ba + 2 IO3
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
Na2S2O3 + CH3COOH = H2S2O3 + CH3COONa =>
Na2S2O3 + 2 CH3COOH = H2S2O3 + 2 CH3COONa
NH4NO3 + C(CH3)(NO2)2 = H2O + CO2 + N2 =>
3 NH4NO3 + 2 C(CH3)(NO2)2 = 9 H2O + 4 CO2 + 5 N2
Cu(NO3)2 + HCl = Cu(Cl)2 + H(NO3) =>
Cu(NO3)2 + 2 HCl = Cu(Cl)2 + 2 H(NO3)
Na2CO3 + NaH2PO4 = NaHCO3 + Na3PO4 =>
2 Na2CO3 + NaH2PO4 = 2 NaHCO3 + Na3PO4
H2SO4 + Mg = H2 + MgSO4 =>
H2SO4 + Mg = H2 + MgSO4
Al(Cl)3 + Ba(OH)2 = Al(OH)3 + Ba(Cl)2 =>
2 Al(Cl)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 Ba(Cl)2
CaCl2 + Al = AlCl3 + Ca =>
3 CaCl2 + 2 Al = 2 AlCl3 + 3 Ca
Al + AuClO3 = Au + Al(ClO3)3 =>
Al + 3 AuClO3 = 3 Au + Al(ClO3)3
Al(Cl)3 + Ba(OH)2 = Al(OH)3 + Ba(Cl)2 =>
2 Al(Cl)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 Ba(Cl)2
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
CH3COOH + NaHNO3 = CO2 + H2O + NaNO2 =>
CH3COOH + 8 NaHNO3 = 2 CO2 + 6 H2O + 8 NaNO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cr2(SO4)3 + KMnO4 + H2O = H2CrO4 + H2SO4 + K2SO4 + MnSO4 =>
5 Cr2(SO4)3 + 6 KMnO4 + 16 H2O = 10 H2CrO4 + 6 H2SO4 + 3 K2SO4 + 6 MnSO4
C2H4Cl2 + Br2 = HBr + C2H3Cl2 =>
2 C2H4Cl2 + Br2 = 2 HBr + 2 C2H3Cl2
C10H12O + O2 = CO2 + H2O =>
2 C10H12O + 25 O2 = 20 CO2 + 12 H2O
Na2CO3 + Cl2 = NaCl + NaClO + CO2 =>
Na2CO3 + Cl2 = NaCl + NaClO + CO2
CuCl2 + K2CO3 + H2O = (CuOH)2CO3 + CO2 + KCl =>
2 CuCl2 + 2 K2CO3 + H2O = (CuOH)2CO3 + CO2 + 4 KCl
K3PO4(aq) + Ni(NO3)2(aq) = K(NO3)(aq) + Ni3(PO4)2(s) =>
2 K3PO4(aq) + 3 Ni(NO3)2(aq) = 6 K(NO3)(aq) + Ni3(PO4)2(s)
Na2SO3 + NaHCO3 = Na2SO4 + NaHCO2 =>
Na2SO3 + NaHCO3 = Na2SO4 + NaHCO2
NH2CH2COOH + KNO3 = (NH2CH2COOH)KNO3 =>
NH2CH2COOH + KNO3 = (NH2CH2COOH)KNO3
Na + O2 = Na2O22 =>
2 Na + 11 O2 = Na2O22
Cu + NH3 + H2O2 = [Cu(NH3)4]{2+} + OH{-} =>
Cu + 4 NH3 + H2O2 = [Cu(NH3)4]{2+} + 2 OH{-}
CuCl + O2 + HCl = CuCl2 + H2O =>
4 CuCl + O2 + 4 HCl = 4 CuCl2 + 2 H2O
Hg + H2O = HgO + H2 =>
Hg + H2O = HgO + H2
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