| Équations équilibrées la veille |
[Co(H2O)6](NO3)2 + 4 NH4SCN = (NH4)2[Co(SCN)4] + 2 NH4(NO3) + 6 H2O
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
FeCl3 + KI = KCl + FeCl2 + I2 =>
2 FeCl3 + 2 KI = 2 KCl + 2 FeCl2 + I2
Ag(NO3) + K2CO3 = Ag2CO3 + K(NO3) =>
2 Ag(NO3) + K2CO3 = Ag2CO3 + 2 K(NO3)
Br2 = Br1 =>
Br2 = 2 Br1
HCl + BaBr2 = BaCl2 + HBr =>
2 HCl + BaBr2 = BaCl2 + 2 HBr
BaSO4 + Bi(OH)3 = Ba(OH)2 + Bi2(SO4)3 =>
3 BaSO4 + 2 Bi(OH)3 = 3 Ba(OH)2 + Bi2(SO4)3
Ca(NO3)2 + NaClO3 = Ca(ClO3)2 + NaNO3 =>
Ca(NO3)2 + 2 NaClO3 = Ca(ClO3)2 + 2 NaNO3
AgNO3(ag) + Cu = Ag + Cu(NO3)2(ag) =>
2 AgNO3(ag) + Cu = 2 Ag + Cu(NO3)2(ag)
KMnO4 + KClO2 + H2O = MnO2 + KClO4 + K(OH) =>
4 KMnO4 + 3 KClO2 + 2 H2O = 4 MnO2 + 3 KClO4 + 4 K(OH)
H3PO4 + PH3 = H3PO3 =>
3 H3PO4 + PH3 = 4 H3PO3
Cu + H2O + Na2S2O8 = CuSO4 + NaOH + H2SO4 =>
Cu + 2 H2O + Na2S2O8 = CuSO4 + 2 NaOH + H2SO4
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cr + H2CO3 = Cr2(CO3)2 + H2 =>
2 Cr + 2 H2CO3 = Cr2(CO3)2 + 2 H2
Ni + I2 = Ni2I2 =>
2 Ni + I2 = Ni2I2
CO2 + CaSiO3 + H2O = SiO2 + Ca2 + HCO3 =>
4 CO2 + 2 CaSiO3 + 2 H2O = 2 SiO2 + Ca2 + 4 HCO3
Al(s) + Fe{+2}(aq) = Al{+3}(aq) + Fe(s) =>
2 Al(s) + 3 Fe{+2}(aq) = 2 Al{+3}(aq) + 3 Fe(s)
NH2CONH2(s) + H2O = CO2 + NH3 =>
NH2CONH2(s) + H2O = CO2 + 2 NH3
Co(OH)3 + H3AsO4 = (Co(OH)2)3AsO4 + H2O =>
3 Co(OH)3 + H3AsO4 = (Co(OH)2)3AsO4 + 3 H2O
Al(NO3)3 + LiOH = Al(OH)3 + LiNO3 =>
Al(NO3)3 + 3 LiOH = Al(OH)3 + 3 LiNO3
Cu + O2 + HC2H3O2 = H2O + Cu(C2H3O2)2 =>
2 Cu + O2 + 4 HC2H3O2 = 2 H2O + 2 Cu(C2H3O2)2
SO4{2-} + CHO2{-} = H2S + CO3{2-} + H{+} =>
SO4{2-} + 4 CHO2{-} = H2S + 4 CO3{2-} + 2 H{+}
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
BH3 + Br2 = BBr3 + H2 =>
2 BH3 + 3 Br2 = 2 BBr3 + 3 H2
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
Fe2O3 + KI = FeI3 + K2O =>
Fe2O3 + 6 KI = 2 FeI3 + 3 K2O
NiCl2 + Na2S = NiS + NaCl =>
NiCl2 + Na2S = NiS + 2 NaCl
C9H8O2 + SOCl2 = C9H7OCl + SO2 + HCl =>
C9H8O2 + SOCl2 = C9H7OCl + SO2 + HCl
Cs + CuSO4 = Cs2SO4 + Cu =>
2 Cs + CuSO4 = Cs2SO4 + Cu
Ba + S = BaS =>
Ba + S = BaS
K2CrO4 + K2S + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
8 K2CrO4 + 3 K2S + 20 H2SO4 = 4 Cr2(SO4)3 + 11 K2SO4 + 20 H2O
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
Fe + Fe(CN)6 = Fe(Fe(CN)6) =>
Fe + Fe(CN)6 = Fe(Fe(CN)6)
MqO + H3PO4 = Mq3(PO4)2 + H2O =>
3 MqO + 2 H3PO4 = Mq3(PO4)2 + 3 H2O
CuS + KI = CuI2 + K2S =>
CuS + 2 KI = CuI2 + K2S
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
PbO2 + MnCl2 + KOH = PbO + KMnO4 + KCl + H2O =>
5 PbO2 + 2 MnCl2 + 6 KOH = 5 PbO + 2 KMnO4 + 4 KCl + 3 H2O
H3PO4 + NH4OH = (NH4)3PO4 + H2O =>
H3PO4 + 3 NH4OH = (NH4)3PO4 + 3 H2O
Cr(OH)3 = Cr + (OH)3 =>
Cr(OH)3 = Cr + (OH)3
Fe3P2 = Fe + P =>
Fe3P2 = 3 Fe + 2 P
C2H5OH(aq) + O2(g) = CO2(g) + H2O =>
C2H5OH(aq) + 3 O2(g) = 2 CO2(g) + 3 H2O
Zn + Ba(OH)2 = Ba + Zn(OH)2 =>
Zn + Ba(OH)2 = Ba + Zn(OH)2
C2H5NH3Cl + H2O = C2H5NH2Cl + H3O =>
C2H5NH3Cl + H2O = C2H5NH2Cl + H3O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
AlOHSO4 + NaOH = AlOH + NaOHSO4 =>
AlOHSO4 + NaOH = AlOH + NaOHSO4
Cu(NO3)2(aq) + Na2SO4(aq) = CuSO4(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + Na2SO4(aq) = CuSO4(s) + 2 NaNO3(aq)
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Équations équilibrées sur10/18/24
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