| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HI(aq) + 4 KHSO3(aq) = 2 K2I + 3 H2 + 4 SO3
KClO3 + MnO2 + NaOH = KCl + Na3MnO4 + H2O =>
KClO3 + 6 MnO2 + 18 NaOH = KCl + 6 Na3MnO4 + 9 H2O
Sn2O = Sn + O2 =>
2 Sn2O = 4 Sn + O2
Fe(s) + NaCl(s) = FeCl2(s) + Na(s) =>
Fe(s) + 2 NaCl(s) = FeCl2(s) + 2 Na(s)
Cr2S3 + CuI = CrI3 + Cu2S =>
Cr2S3 + 6 CuI = 2 CrI3 + 3 Cu2S
CH2CH2 + O2 = CO + H2O =>
CH2CH2 + 2 O2 = 2 CO + 2 H2O
Na + HNO3 = NaH + NO3 =>
Na + HNO3 = NaH + NO3
RbOH + CH2O = RbC2H3O2 + H2O =>
RbOH + 2 CH2O = RbC2H3O2 + H2O
Zn + HNO3 = Zn(NO3) + NH3NO3 + H2O =>
7 Zn + 9 HNO3 = 7 Zn(NO3) + NH3NO3 + 3 H2O
I2 + KBr = KI + Br =>
I2 + 2 KBr = 2 KI + 2 Br
K + Cr + O2 = K2Cr2O7 =>
4 K + 4 Cr + 7 O2 = 2 K2Cr2O7
Fe2[SO4]3 + NH3 + H2O = Fe[OH]3 + [NH4]2SO4 =>
Fe2[SO4]3 + 6 NH3 + 6 H2O = 2 Fe[OH]3 + 3[NH4]2SO4
Na2S + AlN = Al2S3 + Na3N =>
3 Na2S + 2 AlN = Al2S3 + 2 Na3N
CH3CHO + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
CH3CHO + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 5 H2O + K2SO4 + 2 MnSO4
MgSO4 + Na2B4O7 = MgB4O7 + Na2SO4 =>
MgSO4 + Na2B4O7 = MgB4O7 + Na2SO4
Na2S2O3 + I2 + KI = K2S4O6 + NaI =>
2 Na2S2O3 + I2 + 2 KI = K2S4O6 + 4 NaI
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
H2SO + OH = HSO + H2O =>
H2SO + OH = HSO + H2O
KOH + NH4Br = NH3 + H2O + KBr =>
KOH + NH4Br = NH3 + H2O + KBr
Ca3P2 + HCl = PH3 + CaCl2 =>
Ca3P2 + 6 HCl = 2 PH3 + 3 CaCl2
NaOHCO2H2O = NaOHH2CO3 = Na2OHH2O =>
NaOHCO2H2O = NaOHH2CO3
Cu + Ag2SO4 = Ag + CuSO4 =>
Cu + Ag2SO4 = 2 Ag + CuSO4
I2 + Na2SO3 + H2O = Na2SO4 + HI =>
I2 + Na2SO3 + H2O = Na2SO4 + 2 HI
C3H8 + H2O = CO + H2 = CO + H2O = H2 + CO2 =>
C3H8 + 3 H2O = 3 CO + 7 H2
Cu2Cl3 + Zn = ZnCl2 + Cu =>
2 Cu2Cl3 + 3 Zn = 3 ZnCl2 + 4 Cu
Be(OH)2 + KOH = K2[Be(OH)4] =>
Be(OH)2 + 2 KOH = K2[Be(OH)4]
Na2Cr2O7 + SO2 + H2SO8 = Na2SO4 + Cr2(SO4)3 + H2O =>
5 Na2Cr2O7 + 19 SO2 + H2SO8 = 5 Na2SO4 + 5 Cr2(SO4)3 + H2O
ZnCO3 + HCl = ZnCl2 + CO3 + H2 =>
ZnCO3 + 2 HCl = ZnCl2 + CO3 + H2
HBr + LiOH = LiBr + H(OH) =>
HBr + LiOH = LiBr + H(OH)
C4H10O2 + H2O = C2H6 + O2 =>
2 C4H10O2 + 2 H2O = 4 C2H6 + 3 O2
Ca + OH + SO2 = CaSO3 + H2O =>
Ca + 2 OH + SO2 = CaSO3 + H2O
Nb + HF + HNO3 = H(NbOF5) + NO + H2O =>
Nb + 5 HF + 2 HNO3 = H(NbOF5) + 2 NO + 3 H2O
Al1I + Ni = Al + Ni1I2 =>
2 Al1I + Ni = 2 Al + Ni1I2
NaOH + NaNO3 + MnSO4 = NaMnO4 + NaNO2 + H2 + SO2 =>
2 NaOH + 2 NaNO3 + 2 MnSO4 = 2 NaMnO4 + 2 NaNO2 + H2 + 2 SO2
Na2CO3 + Ca(OH)2 = CaCO3 + Na(OH) =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 Na(OH)
KMnO4 + KNO2 + H2O = KNO3 + MnO2 + KOH =>
2 KMnO4 + 3 KNO2 + H2O = 3 KNO3 + 2 MnO2 + 2 KOH
SiO2 + CaO = SiO + CaO2 =>
SiO2 + CaO = SiO + CaO2
K2Cr2O7 + H2SO4 + KHS = Cr2(SO4)3 + K2SO4 + H2O =>
8 K2Cr2O7 + 29 H2SO4 + 6 KHS = 8 Cr2(SO4)3 + 11 K2SO4 + 32 H2O
Co + H{+} = Co{2+} + H2 =>
Co + 2 H{+} = Co{2+} + H2
Ca(MnO4)2 + K(NO2) + H2SO4 = MnSO4 + KNO3 + CaSO4 + H2O =>
Ca(MnO4)2 + 5 K(NO2) + 3 H2SO4 = 2 MnSO4 + 5 KNO3 + CaSO4 + 3 H2O
KNO2 = K2O + NO2 + N2 =>
8 KNO2 = 4 K2O + 6 NO2 + N2
SrBr2*7H2O = SrBr2 + H2O =>
SrBr2*7H2O = SrBr2 + 7 H2O
C12H16O1S1 + O2 = CO2 + H2O + SO =>
C12H16O1S1 + 16 O2 = 12 CO2 + 8 H2O + SO
Ai + OH = AiOH =>
Ai + OH = AiOH
Fe2(CO3)3 + CH3COOH = Fe(CH3COO)3 + H2CO3 =>
Fe2(CO3)3 + 6 CH3COOH = 2 Fe(CH3COO)3 + 3 H2CO3
B(OH)3 + C2H5OH = (C2H5O)3B + H2O2 + H =>
2 B(OH)3 + 6 C2H5OH = 2(C2H5O)3B + 3 H2O2 + 6 H
O2 + CHCHO = CO2 + H2O =>
2 O2 + CHCHO = 2 CO2 + H2O
KI + Na2S = K2S + INa =>
2 KI + Na2S = K2S + 2 INa
Cu(OH)2 + NH4OH = [Cu(NH3)4] + OH + H2 = =>
Cu(OH)2 + 4 NH4OH = [Cu(NH3)4] + 6 OH + 2 H2
CuCl2 + Cr2(OAc)4(H2O)2 = Cu(OAc)4(H2O)2 + Cr2Cl2 =>
CuCl2 + Cr2(OAc)4(H2O)2 = Cu(OAc)4(H2O)2 + Cr2Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/20/24
Équations équilibrées sur01/19/24
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