| Équations équilibrées la veille |
Fe + 2 HCl = FeCl2 + H2
Cr + ClO2 = Cr2O7 + Cl =>
4 Cr + 7 ClO2 = 2 Cr2O7 + 7 Cl
X + O2 = XO3 =>
2 X + 3 O2 = 2 XO3
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(s) + 2 NaNO3(aq)
K4C + FeCl3 = KCl + C3Fe4 =>
3 K4C + 4 FeCl3 = 12 KCl + C3Fe4
SO + O + H2O = H2SO4 =>
SO + 2 O + H2O = H2SO4
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
Ni + HF = Ni2F2 + H =>
2 Ni + 2 HF = Ni2F2 + 2 H
HCl + Cl2O = HCl4 + H2O =>
10 HCl + 3 Cl2O = 4 HCl4 + 3 H2O
[NH4]2Fe[SO4] + NH4OH = [NH4]2Fe[OH]2 + (NH4)2SO4 =>
[NH4]2Fe[SO4] + 2 NH4OH = [NH4]2Fe[OH]2 + (NH4)2SO4
C8H18 + Cl2 = C8H16Cl2 + H2 =>
C8H18 + Cl2 = C8H16Cl2 + H2
NaOH + Al = Al2O3 + Na + H2 =>
6 NaOH + 4 Al = 2 Al2O3 + 6 Na + 3 H2
CrBr3 + Cl2 + KOH = K2CrO4 + KBr + H2O + KCl =>
2 CrBr3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 6 KBr + 8 H2O + 6 KCl
UO2{2+} + H2O = UO2(OH){+} + H{+} =>
UO2{2+} + H2O = UO2(OH){+} + H{+}
I2 + K2Cr2O7 + HCl = KIO3 + CrCl3 + KCl + H2O =>
3 I2 + 5 K2Cr2O7 + 34 HCl = 6 KIO3 + 10 CrCl3 + 4 KCl + 17 H2O
AgNO3 + K2CrO4 + H2O = AgCrO2 + K2N + OH =>
AgNO3 + K2CrO4 + 5 H2O = AgCrO2 + K2N + 10 OH
HCl(aq) + NaClO(aq) = NaCl(aq) + H2O(l) + Cl2(g) =>
2 HCl(aq) + NaClO(aq) = NaCl(aq) + H2O(l) + Cl2(g)
CuOH2 = CuH2O =>
CuOH2 = CuH2O
Na2S2O3 + F2 = Na2S4O6 + NaF =>
2 Na2S2O3 + F2 = Na2S4O6 + 2 NaF
CuCl2 + SO4(NH4)2 = CuSO4 + NH4Cl =>
CuCl2 + SO4(NH4)2 = CuSO4 + 2 NH4Cl
Na2S + NaMnO4 + NaOH = Na2MnO4 + Na2SO4 + H2O =>
Na2S + 8 NaMnO4 + 8 NaOH = 8 Na2MnO4 + Na2SO4 + 4 H2O
HSO + H2O = H3O + SO4 =>
HSO + 10 H2O = 7 H3O + SO4
HIO5 + HI = I + H2O =>
HIO5 + 9 HI = 10 I + 5 H2O
C2H5OH + K2Cr2O7 + H2SO4 = CH3CO0H + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CO0H + Cr2(SO4)3 + K2SO4 + 7 H2O
Na2S2O3 + O2 + H2O = Na2S4O6 + NaOH =>
4 Na2S2O3 + O2 + 2 H2O = 2 Na2S4O6 + 4 NaOH
Cl2 + KCl = Cl3K =>
Cl2 + KCl = Cl3K
Cl2(g) + CaI2(ac) = CaCl + I2 =>
Cl2(g) + 2 CaI2(ac) = 2 CaCl + 2 I2
Al2O3 + HNO3 = H2O3 + AlNO3 =>
Al2O3 + 2 HNO3 = H2O3 + 2 AlNO3
MnCl2 + Na3PO4 = MnNa3 + Cl2PO4 =>
MnCl2 + Na3PO4 = MnNa3 + Cl2PO4
Al2PO4 + Ca = CaPO4 + Al =>
Al2PO4 + Ca = CaPO4 + 2 Al
C6H5COOHNaHCO3 = C7H5O2NaCO2H2O =>
C6H5COOHNaHCO3 = C7H5O2NaCO2H2O
CuSO4 + H2SO4 = Cu(SO4)2 + H2 =>
CuSO4 + H2SO4 = Cu(SO4)2 + H2
Pb(OH)2 + CH3COOH = Pb(CH3COO)2 + H2O =>
Pb(OH)2 + 2 CH3COOH = Pb(CH3COO)2 + 2 H2O
C4H9OH = C4H8 + H2O =>
C4H9OH = C4H8 + H2O
Fe + SnSO4 = Fe2(SO4)3 + Sn =>
2 Fe + 3 SnSO4 = Fe2(SO4)3 + 3 Sn
SiO2 + MgSO3 = MgO2 + SiSO3 =>
SiO2 + MgSO3 = MgO2 + SiSO3
C2H2H2O = CH3COH =>
C2H2H2O = CH3COH
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ba(OH)2 + Hg = Hg(OH)2 + Ba =>
Ba(OH)2 + Hg = Hg(OH)2 + Ba
Al(NO3)3 + LiOH = Al(OH)3 + LiNO3 =>
Al(NO3)3 + 3 LiOH = Al(OH)3 + 3 LiNO3
MgCl2 + H2SO4 = HCl + MgSO4 =>
MgCl2 + H2SO4 = 2 HCl + MgSO4
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
NH3 + S + Cl2 = S4N4 + NH4Cl =>
16 NH3 + 4 S + 6 Cl2 = S4N4 + 12 NH4Cl
Sn(ONa)2HPO4 + H2O = Sn(OH)2HPO4 + NaOH =>
Sn(ONa)2HPO4 + 2 H2O = Sn(OH)2HPO4 + 2 NaOH
Se2Cl2 = Se + SeCl2 =>
Se2Cl2 = Se + SeCl2
NO2 + SO2 + H2O = NOHSO4 + H2 =>
2 NO2 + 2 SO2 + 2 H2O = 2 NOHSO4 + H2
C12H22O11 + CO2 = C6H8O7 + H2O =>
3 C12H22O11 + 12 CO2 = 8 C6H8O7 + H2O
NiO4 + Al{+3} + e = NiAl2O4 =>
NiO4 + 2 Al{+3} + 6e = NiAl2O4
Na2HPO4 + HNO3 = NaH2PO4 + NaNO3 =>
Na2HPO4 + HNO3 = NaH2PO4 + NaNO3
C7H2O2 + O2 = CO2 + H2O =>
2 C7H2O2 + 13 O2 = 14 CO2 + 2 H2O
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