| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cr(NO3)3 = Cr + NO3 =>
Cr(NO3)3 = Cr + 3 NO3
B + CaCl2 = BCl3 + Ca =>
2 B + 3 CaCl2 = 2 BCl3 + 3 Ca
Fe3C + HNO3 = Fe(NO3)2 + NO + CO2 + H2O =>
3 Fe3C + 28 HNO3 = 9 Fe(NO3)2 + 10 NO + 3 CO2 + 14 H2O
KI + CuSO4 = (K2)SO4 + Cu(I2) =>
2 KI + CuSO4 = (K2)SO4 + Cu(I2)
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb =>
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb
Ca + HAsO2 = Ca(AsO2)2 + H2 =>
Ca + 2 HAsO2 = Ca(AsO2)2 + H2
HI + CaS = CaI2 + H2S =>
2 HI + CaS = CaI2 + H2S
V + HClO4 = V(ClO4)5 + H2 =>
2 V + 10 HClO4 = 2 V(ClO4)5 + 5 H2
C15HCO2H + O2 = CO2 + H2O =>
2 C15HCO2H + 31 O2 = 32 CO2 + 2 H2O
Cu3(OH)2(CO3)2 + C = Cu + CO2 + H2O =>
2 Cu3(OH)2(CO3)2 + 3 C = 6 Cu + 7 CO2 + 2 H2O
Zn + HNO2 = Zn(NO3)2 + NO + H2O =>
Zn + 8 HNO2 = Zn(NO3)2 + 6 NO + 4 H2O
C8H13N3O2 + O2 = CO2 + H2O + N2 =>
4 C8H13N3O2 + 41 O2 = 32 CO2 + 26 H2O + 6 N2
C3H7O2N + NaOH = CH3COONa + NH3 + H2O =>
2 C3H7O2N + 3 NaOH = 3 CH3COONa + 2 NH3 + H2O
K2Cr2O7 + CaCl2 + H2SO4 = Cr2(SO4)3 + K2(SO4) + Ca(SO4)Cl2 + H2O =>
K2Cr2O7 + 3 CaCl2 + 7 H2SO4 = Cr2(SO4)3 + K2(SO4) + 3 Ca(SO4)Cl2 + 7 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
ZnCI + K = Zn + KCI =>
ZnCI + K = Zn + KCI
CrCl3 + NH3 = CrCl3(NH3)2 =>
CrCl3 + 2 NH3 = CrCl3(NH3)2
NiS + H2SO4 = NiSO4 + H2O + SO2 =>
NiS + 4 H2SO4 = NiSO4 + 4 H2O + 4 SO2
CaO2 + H2O = H2CaO3 =>
CaO2 + H2O = H2CaO3
N2H4 + H2O = NH3 + OH =>
N2H4 + 2 H2O = 2 NH3 + 2 OH
Cl2 + H2O + NaCl = HCl + NaClO =>
Cl2 + H2O + NaCl = 2 HCl + NaClO
OH{-} + Cr{3+} + MnO2 = Mn{2+} + CrO4{2-} + H2O =>
4 OH{-} + 2 Cr{3+} + 3 MnO2 = 3 Mn{2+} + 2 CrO4{2-} + 2 H2O
NO2 + P2O3 + KOH = K2HPO4 + NO + H2O =>
2 NO2 + P2O3 + 4 KOH = 2 K2HPO4 + 2 NO + H2O
IYOHK = I2 + KOH + Y =>
2 IYOHK = I2 + 2 KOH + 2 Y
CuCl + Al = Cu + Al(Cl) =>
CuCl + Al = Cu + Al(Cl)
K3P + H2SO4 = K3PO4 + SO2 + H2O =>
K3P + 4 H2SO4 = K3PO4 + 4 SO2 + 4 H2O
Al2(CO3)3 + HNO3 = Al(NO3)3 + H2O + CO2 =>
Al2(CO3)3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O + 3 CO2
Pb + AgNO{3} = PbNO{3} + Ag =>
Pb + AgNO{3} = PbNO{3} + Ag
NH4OH + Fe = FeOH + NH4 =>
NH4OH + Fe = FeOH + NH4
Ca(OH)2 + (NH4)2NO3 = NH3 + Ca(NO3)2 + H2O =>
7 Ca(OH)2 + 16(NH4)2NO3 = 34 NH3 + 7 Ca(NO3)2 + 20 H2O
K2S(aq) + Ni(NO3)3(aq) = KNO3(aq) + Ni2S3(s) =>
3 K2S(aq) + 2 Ni(NO3)3(aq) = 6 KNO3(aq) + Ni2S3(s)
Pb(NO3)2 + KH2PO4 = PbH2PO4 + K(NO3)2 =>
Pb(NO3)2 + KH2PO4 = PbH2PO4 + K(NO3)2
CH3COOH(aq) + NaOH(aq) = C2H3COONa(aq) + H2O(l) =>
3 CH3COOH(aq) + 2 NaOH(aq) = 2 C2H3COONa(aq) + 4 H2O(l)
Co2S3 + HCl + HNO3 = CoCl + N2 + Co(SO4)3 + H2O =>
2 Co2S3 + 2 HCl + 10 HNO3 = 2 CoCl + 5 N2 + 2 Co(SO4)3 + 6 H2O
Pb(CH3COO)2 + RbBr = Rb(CH3COO) + PbBr2 =>
Pb(CH3COO)2 + 2 RbBr = 2 Rb(CH3COO) + PbBr2
Ba(NO3) + NaSO4 = BaSO4 + NaNO3 =>
Ba(NO3) + NaSO4 = BaSO4 + NaNO3
CaO(aq) + NaHCO3(aq) = CaCO3(s) + NaOH(aq) =>
CaO(aq) + NaHCO3(aq) = CaCO3(s) + NaOH(aq)
C3H7OH + Mg = (C3H7O)2Mg + H2 =>
2 C3H7OH + Mg = (C3H7O)2Mg + H2
HBr + FeS = Br2Fe + H2S =>
2 HBr + FeS = Br2Fe + H2S
H2(g) + NO(g) = N2(g) + H2O =>
2 H2(g) + 2 NO(g) = N2(g) + 2 H2O
H2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)2 + H2O + SNaHSO4 =>
5 H2S + 2 Na2Cr2O7 + 7 H2SO4 = 2 Cr2(SO4)2 + 10 H2O + 4 SNaHSO4
CH2ClCH2Cl + Zn = CH2ClCH2Zn + Cl =>
CH2ClCH2Cl + Zn = CH2ClCH2Zn + Cl
CaH2O + H2O = Ca(OH)2 + H2 =>
CaH2O + H2O = Ca(OH)2 + H2
BaCl + SO2 + H2O + Cl2 = HCl + BaSO4 =>
2 BaCl + 2 SO2 + 4 H2O + 3 Cl2 = 8 HCl + 2 BaSO4
K2(CrO4) + V(NO3) = K2(NO3) + V(CrO4) =>
K2(CrO4) + V(NO3) = K2(NO3) + V(CrO4)
Cr + Ag(NO3) = Cr(NO3)2 + Ag =>
Cr + 2 Ag(NO3) = Cr(NO3)2 + 2 Ag
CH3COO + H = CH4 + CO2 =>
CH3COO + H = CH4 + CO2
NaCl(s) + CuSO4(aq) = CuCl(aq) + NaSO4 =>
NaCl(s) + CuSO4(aq) = CuCl(aq) + NaSO4
Ag2CO3 = Ag + CO3 =>
Ag2CO3 = 2 Ag + CO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/06/25
Équations équilibrées sur04/05/24
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