| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaO + H2SO4 = BaSO4 + H2O
HHl + Cr = H2 + CrHl2 =>
2 HHl + Cr = H2 + CrHl2
KMnO4 + Fe(NH4)2(SO4)2 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + (NH4)2SO4 + H2O =>
2 KMnO4 + 10 Fe(NH4)2(SO4)2 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 10(NH4)2SO4 + 8 H2O
CuCl + KOH = KCl + Cu(OH) =>
CuCl + KOH = KCl + Cu(OH)
Ca3P2 + HNO3 = Ca(NO3)2 + NO2 + H3PO4 + H2O =>
Ca3P2 + 22 HNO3 = 3 Ca(NO3)2 + 16 NO2 + 2 H3PO4 + 8 H2O
CrCl3 + KMnO4 + H2O = H2CrO4 + MnO2 + KCl + HCl =>
CrCl3 + KMnO4 + 2 H2O = H2CrO4 + MnO2 + KCl + 2 HCl
VS2 + CCl4 + H2O = V4OS8Cl6 + C + H2 =>
8 VS2 + 3 CCl4 + 2 H2O = 2 V4OS8Cl6 + 3 C + 2 H2
Al(OH)3 + HCl = AlCl3 + H2 + O2 =>
2 Al(OH)3 + 6 HCl = 2 AlCl3 + 6 H2 + 3 O2
KSbO2 + HCl = SbCl3 + KOH + H2O =>
KSbO2 + 3 HCl = SbCl3 + KOH + H2O
C2O4{2-} + H{+} + MnO4{-} = CO2 + Mn{2+} + H2O =>
5 C2O4{2-} + 16 H{+} + 2 MnO4{-} = 10 CO2 + 2 Mn{2+} + 8 H2O
NiAl + NO2 = Ni(NO2)2 + Al =>
NiAl + 2 NO2 = Ni(NO2)2 + Al
Ca[OH]2 + NH4Cl = CaCl2 + NH3 + H2O =>
Ca[OH]2 + 2 NH4Cl = CaCl2 + 2 NH3 + 2 H2O
H3PO4 + OH = PO3 + H2O =>
H3PO4 + OH = PO3 + 2 H2O
NaHCO3 + HCH3OOO = NaCH3COOO + CO2 + H2O =>
NaHCO3 + 3 HCH3OOO = NaCH3COOO + 2 CO2 + 5 H2O
CH3CH2CH2NH2 + HOH = CH3CH2CH2NH3 + OH =>
CH3CH2CH2NH2 + HOH = CH3CH2CH2NH3 + OH
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaClO + NH3 = NaCl + N2H4 + H2O =>
NaClO + 2 NH3 = NaCl + N2H4 + H2O
TiCl4 + NH3 = TiN + HCl + N2 =>
6 TiCl4 + 8 NH3 = 6 TiN + 24 HCl + N2
Li + N2 = Li3N2 =>
3 Li + N2 = Li3N2
AgNO3 + NH4NO3 = [Ag(NH3)2]NO3 + NO2 + H2O =>
3 AgNO3 + 7 NH4NO3 = 3[Ag(NH3)2]NO3 + 8 NO2 + 5 H2O
CH3CHOHCH3 + CuO = CH3COCH2 + Cu + H2O =>
2 CH3CHOHCH3 + 3 CuO = 2 CH3COCH2 + 3 Cu + 3 H2O
K2CrO4 + H2SO4 + C6H12O6 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
8 K2CrO4 + 20 H2SO4 + C6H12O6 = 6 CO2 + 4 Cr2(SO4)3 + 8 K2SO4 + 26 H2O
Mo(CO)6 + C6H3(CH3)3 = C6H3(CH3)3Mo(CO)3 + CO =>
Mo(CO)6 + C6H3(CH3)3 = C6H3(CH3)3Mo(CO)3 + 3 CO
Cu(OH)2 + CaS = Ca(OH)2 + CuS =>
Cu(OH)2 + CaS = Ca(OH)2 + CuS
CH3CH2CH2NH2 + HOH = CH3CH2CH2NH3 + OH =>
CH3CH2CH2NH2 + HOH = CH3CH2CH2NH3 + OH
H2 + PbO = PbH + O2 =>
H2 + 2 PbO = 2 PbH + O2
Sb(s) + Cl2(g) = SbCl3(s) =>
2 Sb(s) + 3 Cl2(g) = 2 SbCl3(s)
AB2 + X2Y = Y2A2 + XB =>
2 AB2 + 2 X2Y = Y2A2 + 4 XB
CrCl36H2O + Hg(NO3)2 = HgCl2 + CrCl2 + NO3 + H2O =>
CrCl36H2O + 17 Hg(NO3)2 = 17 HgCl2 + CrCl2 + 34 NO3 + H2O
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Cr2S3 + hydrogenchloride = CrCl3 + hydrogensulfide =>
Cr2S3 + 6 HCl = 2 CrCl3 + 3 H2S
Cu(NO3)2 + K2C = CuC + KNO3 =>
Cu(NO3)2 + K2C = CuC + 2 KNO3
Na(OH) + CaCO3 = NaHCO3 + CaO =>
Na(OH) + CaCO3 = NaHCO3 + CaO
HClO3 + NaI = NaCl + I2 + H2O + NaClO3 =>
6 HClO3 + 6 NaI = NaCl + 3 I2 + 3 H2O + 5 NaClO3
Mg + H2SO4 = MgSO4 + S(H2S)2 + H2O =>
11 Mg + 14 H2SO4 = 11 MgSO4 + S(H2S)2 + 12 H2O
Al2(SO4)3 + CH3COONa + H2O = (CH3COO)Al(OH)2 + Na2SO4 + CH3COOH =>
Al2(SO4)3 + 6 CH3COONa + 4 H2O = 2(CH3COO)Al(OH)2 + 3 Na2SO4 + 4 CH3COOH
BaSO4 + Al = BaS + Al2O3 =>
3 BaSO4 + 8 Al = 3 BaS + 4 Al2O3
Mg + HNO3(conc) = NO2 + H2O + MgO =>
Mg + 2 HNO3(conc) = 2 NO2 + H2O + MgO
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
HCl + K2CO3 = KCl + CO2H2O =>
2 HCl + K2CO3 = 2 KCl + CO2H2O
NiI3 + Li(OH) + Cl2 = Li(IO4) + Li(NiO4) + LiCl + H2O =>
NiI3 + 32 Li(OH) + 14 Cl2 = 3 Li(IO4) + Li(NiO4) + 28 LiCl + 16 H2O
K2CO3 + Na2SO4 = K2SO4Na2CO3 =>
K2CO3 + Na2SO4 = K2SO4Na2CO3
NaClO2 + HCl = ClO2 + H2O + NaCl =>
5 NaClO2 + 4 HCl = 4 ClO2 + 2 H2O + 5 NaCl
SbCl5 + Fe = Sb + FeCl2 =>
2 SbCl5 + 5 Fe = 2 Sb + 5 FeCl2
Ba(NO3)2 + Al2(CO3)3 = BaCO3 + Al(NO3)3 =>
3 Ba(NO3)2 + Al2(CO3)3 = 3 BaCO3 + 2 Al(NO3)3
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
W + H2CrO4 = H2 + W(CrO4)3 =>
W + 3 H2CrO4 = 3 H2 + W(CrO4)3
Cl2 + CrOH3 + OH{-} = Cl{-} + CrO4{2-} + H2O =>
7 Cl2 + 2 CrOH3 + 18 OH{-} = 14 Cl{-} + 2 CrO4{2-} + 12 H2O
P4 + NaOH = P4O6 + NaH =>
P4 + 6 NaOH = P4O6 + 6 NaH
FeCl3 + MgSO4 = Fe(SO4)3 + MgCl =>
FeCl3 + 3 MgSO4 = Fe(SO4)3 + 3 MgCl
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