| Équations équilibrées la veille |
Y2O3 + 4 BaCO3 + 6 CuO = 2 YBa2Cu3O7 + 3 CO2 + CO
Fr + Br2 = FrBr =>
2 Fr + Br2 = 2 FrBr
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CH3CONH2 + O2 = CO2 + H2O + N2 =>
4 CH3CONH2 + 11 O2 = 8 CO2 + 10 H2O + 2 N2
MnSO4 + O2 = Mn2O3 + SO3 =>
4 MnSO4 + O2 = 2 Mn2O3 + 4 SO3
FeSO4 + (NH4)4[Fe(CN)6] = Fe2[Fe(CN)6] + (NH4)2SO4 =>
2 FeSO4 + (NH4)4[Fe(CN)6] = Fe2[Fe(CN)6] + 2(NH4)2SO4
NaClH2SO4 = NaHSO4HCl =>
NaClH2SO4 = NaHSO4HCl
HNO3 + K2Cr2O7 + Fe(NO3)2 = KNO3 + Fe(NO3)3 + Cr(NO3)2 + H2O =>
14 HNO3 + K2Cr2O7 + 8 Fe(NO3)2 = 2 KNO3 + 8 Fe(NO3)3 + 2 Cr(NO3)2 + 7 H2O
Pu + Cl2 = PuCl3 =>
2 Pu + 3 Cl2 = 2 PuCl3
HCl(ac) + Mg(OH)2(ac) = MgCl2(ac) + H2O =>
2 HCl(ac) + Mg(OH)2(ac) = MgCl2(ac) + 2 H2O
HI + SO3 = H2O + I2 + SO2 =>
2 HI + SO3 = H2O + I2 + SO2
MgSO4(aq) + HNO3(aq) = Mg(NO3)2(aq) + H2SO4(aq) =>
MgSO4(aq) + 2 HNO3(aq) = Mg(NO3)2(aq) + H2SO4(aq)
Br2 + Fr = BrFr =>
Br2 + 2 Fr = 2 BrFr
La(OH)3 + H2C2O4 = La2(C2O4)3 + H2O =>
2 La(OH)3 + 3 H2C2O4 = La2(C2O4)3 + 6 H2O
CH3COOH + CH3CH(OH)CH(OH)CH3 = CH3COOCH3CH2CH3 + H2O =>
CH3COOH + 7 CH3CH(OH)CH(OH)CH3 = 6 CH3COOCH3CH2CH3 + 4 H2O
Hg2I2 + HCl + HNO3 = HgCl2 + HIO3 + NO + H2O =>
3 Hg2I2 + 12 HCl + 14 HNO3 = 6 HgCl2 + 6 HIO3 + 14 NO + 10 H2O
KMnO3 + HCl = KCl + MnCl2 + Cl + H2O =>
KMnO3 + 6 HCl = KCl + MnCl2 + 3 Cl + 3 H2O
HClO6 + HCl = Cl + H2O =>
HClO6 + 11 HCl = 12 Cl + 6 H2O
MnO4[{-}] = MnO4[{-}2] =>
MnO4[{-}] = MnO4[{-}2]
SO2 + KMnO4 + H2O = H2SO4 + MnO2 + K2SO4 =>
3 SO2 + 2 KMnO4 + 2 H2O = 2 H2SO4 + 2 MnO2 + K2SO4
MgCO3 + H2SO3 = MgSO3 + H2O + CO2 =>
MgCO3 + H2SO3 = MgSO3 + H2O + CO2
BF3 + Li2S2O3 = B2(S2O3)3 + LiF =>
2 BF3 + 3 Li2S2O3 = B2(S2O3)3 + 6 LiF
Na2CrO4 + H2SO3 = Na2CrO3 + H2SO4 =>
Na2CrO4 + H2SO3 = Na2CrO3 + H2SO4
PbBr2 + K2NbF7 = KF + PbF2 + NbBr5 =>
5 PbBr2 + 2 K2NbF7 = 4 KF + 5 PbF2 + 2 NbBr5
Co(OH)2 + HCl = CoCl2 + H(OH) =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H(OH)
Zn + CuCl3 = Cu + ZnCl2 =>
3 Zn + 2 CuCl3 = 2 Cu + 3 ZnCl2
CrO3 + Zn + H2SO4 = ZnSO4 + Cr2O3 + H2O =>
2 CrO3 + 3 Zn + 3 H2SO4 = 3 ZnSO4 + Cr2O3 + 3 H2O
SrO + Fe2O3 = SrFe2O4 =>
SrO + Fe2O3 = SrFe2O4
Ba + Na = Ba3Na2 =>
3 Ba + 2 Na = Ba3Na2
HNO3 + CaO = Ca(NO3)2 + NH3 + OH =>
11 HNO3 + 5 CaO = 5 Ca(NO3)2 + NH3 + 8 OH
KCl + HNO2 + O2 = Cl2 + KNO3 + H2O =>
4 KCl + 4 HNO2 + 3 O2 = 2 Cl2 + 4 KNO3 + 2 H2O
Na + HNO3 = NaNO3 + H2* =>
2 Na + 2 HNO3 = 2 NaNO3 + H2*
BaCO3 + CuO + Y2O3 = Y2BaCuO5 + CO2 =>
BaCO3 + CuO + Y2O3 = Y2BaCuO5 + CO2
MnO4{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{-} + 5 NO2{-} + 6 H{+} = 2 Mn{2+} + 5 NO3{-} + 3 H2O
Zn(OH)2 + Cl2 = ZnCl2 + H2 + O2 =>
Zn(OH)2 + Cl2 = ZnCl2 + H2 + O2
C2H2 + Ba = C2H2Ba2 =>
C2H2 + 2 Ba = C2H2Ba2
NaHCO3 + Ba2CO3 = Na2CO3 + BaHCO3 =>
2 NaHCO3 + Ba2CO3 = Na2CO3 + 2 BaHCO3
KAl(SO4)2 + HCl = KAlCl4 + H2SO4 =>
KAl(SO4)2 + 4 HCl = KAlCl4 + 2 H2SO4
NaHCO3 + Ba2CO3 = Na2CO3 + BaHCO3 =>
2 NaHCO3 + Ba2CO3 = Na2CO3 + 2 BaHCO3
PU + Cl2 = PUCl3 =>
2 PU + 3 Cl2 = 2 PUCl3
Bi + H2O = Bi2O3 + H2 =>
2 Bi + 3 H2O = Bi2O3 + 3 H2
MnO4[{-}] = MnO4[{-}2] =>
MnO4[{-}] = MnO4[{-}2]
NH3 + HF = NH4 + NF3 =>
7 NH3 + 3 HF = 6 NH4 + NF3
MnSO4 + O2 = MnO2 + SO4 =>
MnSO4 + O2 = MnO2 + SO4
P2O3 + HNO3 = NO + P2O5 + H3PO4 =>
9 P2O3 + 12 HNO3 = 12 NO + 7 P2O5 + 4 H3PO4
Pu + Cl2 = PuCl3 =>
2 Pu + 3 Cl2 = 2 PuCl3
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 FeSO4 = K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
LqF4 + Mg = Lq + MgF2 =>
LqF4 + 2 Mg = Lq + 2 MgF2
Na[Sb(OH)4] + H2S + HCl = Sb(OH)2 + NaCl + H2SO4 + H2O =>
8 Na[Sb(OH)4] + H2S + 8 HCl = 8 Sb(OH)2 + 8 NaCl + H2SO4 + 12 H2O
HSO4 + KHCO3 = KSO4 + H2O + CO2 =>
HSO4 + KHCO3 = KSO4 + H2O + CO2
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