| Équations équilibrées la veille |
5 H2SeO3 + 2 MnO4{-} + H{+} = 5 HSeO4{-} + 2 Mn{2+} + 3 H2O
Zn + HNO = Zn(NO) + H =>
Zn + HNO = Zn(NO) + H
Bi2O3 + NaOH + OCl = NaBiO3 + NaCl + H2O =>
3 Bi2O3 + 10 NaOH + 4 OCl = 6 NaBiO3 + 4 NaCl + 5 H2O
Cu + S = Cu2S =>
2 Cu + S = Cu2S
C15H12O6 + O2 = CO2 + H2O =>
C15H12O6 + 15 O2 = 15 CO2 + 6 H2O
C2H2O4 + CH3OH = C4H6O4 + H2O =>
C2H2O4 + 2 CH3OH = C4H6O4 + 2 H2O
Ba + N2 = BaN2 =>
Ba + N2 = BaN2
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = PbCr2O7 + 2 KNO3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cr(NO3)3 + NaOH + H2O2 = Na2CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 HNO3 + 2 H2O
Al + NH4(NO3) = N2 + H2O + Al2O3 =>
2 Al + 3 NH4(NO3) = 3 N2 + 6 H2O + Al2O3
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
C6H5CH3 + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
5 C6H5CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 14 H2O + 3 K2SO4 + 6 MnSO4
C4H8 + CuO = C4H5O + H2O + Cu =>
2 C4H8 + 5 CuO = 2 C4H5O + 3 H2O + 5 Cu
NH3 + Br2 = NH4Br + N2 =>
8 NH3 + 3 Br2 = 6 NH4Br + N2
FeCl3 + (NH4)2 = NH4Cl + Fe =>
2 FeCl3 + 3(NH4)2 = 6 NH4Cl + 2 Fe
NH4NO3 + Ba(OH)2 = Ba(NO3)2 + NH4OH =>
2 NH4NO3 + Ba(OH)2 = Ba(NO3)2 + 2 NH4OH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C14H14N3NaO3S + H2O2 = CO2 + H2O + HNO3 + NaHSO4 =>
C14H14N3NaO3S + 43 H2O2 = 14 CO2 + 48 H2O + 3 HNO3 + NaHSO4
FeCl2 + HCl + HClO = FeCl3 + H2O =>
2 FeCl2 + HCl + HClO = 2 FeCl3 + H2O
NaOH(ac) + MgSO4(ac) = Mg(OH)2(s) + Na2SO4(ac) =>
2 NaOH(ac) + MgSO4(ac) = Mg(OH)2(s) + Na2SO4(ac)
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + (NH4)(NO3) =>
Zn(NO3)2 + (NH4)2SO4 = ZnSO4 + 2(NH4)(NO3)
HgOH + H2Se = Hg2Se + H2O =>
2 HgOH + H2Se = Hg2Se + 2 H2O
CrI3 + KOH = Cr(OH)3 + KI =>
CrI3 + 3 KOH = Cr(OH)3 + 3 KI
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
Mg + O = MgO =>
Mg + O = MgO
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + NH4NO3(aq) =>
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + 2 NH4NO3(aq)
Nb2O5 + CoO = CoNb2O6 =>
Nb2O5 + CoO = CoNb2O6
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Na(CN) + HBr = NaBr + H(CN) =>
Na(CN) + HBr = NaBr + H(CN)
KBrO3 = KBr + O2 =>
2 KBrO3 = 2 KBr + 3 O2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
FeSO4 + NH3 + H2O = (NH4)2SO4 + Fe(NH3)4(OH)2 =>
FeSO4 + 6 NH3 + 2 H2O = (NH4)2SO4 + Fe(NH3)4(OH)2
C3H7COOH + Mg(OH)2 = (C3H7COO)2Mg + H2O =>
2 C3H7COOH + Mg(OH)2 = (C3H7COO)2Mg + 2 H2O
Nitricacid + bariumhydroxide = bariumnitrate + water =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
Sr + HNO3 = Sr(NO3)2 + NH3 + H2O =>
4 Sr + 9 HNO3 = 4 Sr(NO3)2 + NH3 + 3 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
Al(NO3)3(aq) + Na3PO4 = AlPO4 + NaNO3 =>
Al(NO3)3(aq) + Na3PO4 = AlPO4 + 3 NaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgNO3 + NH4OH = Ag2O + NH4NO3 + H2 =>
2 AgNO3 + 4 NH4OH = Ag2O + 3 NH4NO3 + 4 H2
MnCl2 + H2O2 + KOH = K2MnO4 + KCl + H2O =>
MnCl2 + 2 H2O2 + 4 KOH = K2MnO4 + 2 KCl + 4 H2O
CdO + H2Se = CdSe + H2O =>
CdO + H2Se = CdSe + H2O
Cu(OH)2 + Na2SO4 + HCl = NaCl + H2O + CuSO4 =>
Cu(OH)2 + Na2SO4 + 2 HCl = 2 NaCl + 2 H2O + CuSO4
BF3 + H2O = H3BO3 + HBF4 =>
4 BF3 + 3 H2O = H3BO3 + 3 HBF4
BF3 + H2O = B2O3 + HF =>
2 BF3 + 3 H2O = B2O3 + 6 HF
HOOCCOOH + O2 = CO2 + H2O =>
2 HOOCCOOH + O2 = 4 CO2 + 2 H2O
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