| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeSO4 + NaCo3 = NaSO4 + FeCo3
C6H12O6 + HNO3 = [COOH]2 + (H2O)6 + NO =>
C6H12O6 + 6 HNO3 = 3[COOH]2 + (H2O)6 + 6 NO
Fe{2+} + NO3{2-} + H{+} = Fe{3+} + NO + H2O =>
2 Fe{2+} + NO3{2-} + 4 H{+} = 2 Fe{3+} + NO + 2 H2O
NaI(aq) + Pb(NO3)2 = Pb(I2)(s) + NaNO3(aq) =>
2 NaI(aq) + Pb(NO3)2 = Pb(I2)(s) + 2 NaNO3(aq)
Cu(II)S + O2 = Cu(II)O + S(O2) =>
2 Cu(II)S + 3 O2 = 2 Cu(II)O + 2 S(O2)
FeSO4 + NH4OH = [Fe(NH3)6]SO4 + H2O =>
FeSO4 + 6 NH4OH = [Fe(NH3)6]SO4 + 6 H2O
KI + H2SO4 = K2SO4 + I2 + SH2 + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + SH2 + 4 H2O
Ni(ClO3)3 + H2S = HClO3 + Ni2S3 =>
2 Ni(ClO3)3 + 3 H2S = 6 HClO3 + Ni2S3
K[Al(OH)4] + SO2 = Al(OH)3 + K2SO3 + H2O =>
2 K[Al(OH)4] + SO2 = 2 Al(OH)3 + K2SO3 + H2O
Si + HNO3 + HF = SiF4 + NO2 + H2O =>
Si + 4 HNO3 + 4 HF = SiF4 + 4 NO2 + 4 H2O
NaNO3(aq) + KI(aq) = K(NO3) + NaI =>
NaNO3(aq) + KI(aq) = K(NO3) + NaI
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
SO2 + NaNO3 = Na2SO4 + NO2 =>
SO2 + 2 NaNO3 = Na2SO4 + 2 NO2
KOH = K2O + HOH =>
2 KOH = K2O + HOH
HI(aq) + Ag2Co3(s) = H2Co3 + AgI =>
2 HI(aq) + Ag2Co3(s) = H2Co3 + 2 AgI
SO3 + NaOH = SO3OH + Na =>
SO3 + NaOH = SO3OH + Na
Al2(SO4)3(aq) + H3AsO4(aq) = AlAsO4 + H2SO4 =>
Al2(SO4)3(aq) + 2 H3AsO4(aq) = 2 AlAsO4 + 3 H2SO4
C2H5OH + KMnO4 + H2SO4 = CH3COH + K2SO4 + MnSO4 + H2O =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 CH3COH + K2SO4 + 2 MnSO4 + 8 H2O
MgSO4(s) + NaCl(aq) = MgCl2 + Na2SO4 =>
MgSO4(s) + 2 NaCl(aq) = MgCl2 + Na2SO4
(Al2O3) + C = Al + CO2 =>
2(Al2O3) + 3 C = 4 Al + 3 CO2
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
K[Al(OH)4] + SO2 = Al(OH)3 + K2SO3 + H2O =>
2 K[Al(OH)4] + SO2 = 2 Al(OH)3 + K2SO3 + H2O
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
Co + O2 = CoO2 =>
Co + O2 = CoO2
K5 = K9 =>
9 K5 = 5 K9
C17H31COOH + KOH = C17H31COOK + H2O =>
C17H31COOH + KOH = C17H31COOK + H2O
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
C3H7COOH + MgCO3 = CO2 + H2O + Mg =>
C3H7COOH + 10 MgCO3 = 14 CO2 + 4 H2O + 10 Mg
Ba3P2 = Ba + P =>
Ba3P2 = 3 Ba + 2 P
Cr2O7{2-} + CH3OH + H{+} = Cr3{+} + HCO2H + H2O =>
6 Cr2O7{2-} + 17 CH3OH + 16 H{+} = 4 Cr3{+} + 17 HCO2H + 25 H2O
Cd2 + H2SO4 = Cd(SO4)2 + H2 =>
Cd2 + 4 H2SO4 = 2 Cd(SO4)2 + 4 H2
Ca(OH)2 + Cl2 = Ca(ClO)2 + CaCl2 + H2O =>
2 Ca(OH)2 + 2 Cl2 = Ca(ClO)2 + CaCl2 + 2 H2O
NaHCO3 + Ca(OH)2 = NaOH + CaCO3 + H2O =>
NaHCO3 + Ca(OH)2 = NaOH + CaCO3 + H2O
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
FeCO3 + HNO3 = Fe(NO3)3 + NO + CO2 + H2O =>
3 FeCO3 + 10 HNO3 = 3 Fe(NO3)3 + NO + 3 CO2 + 5 H2O
NH3 + NiCl2*6H2O = Ni(NH3)6Cl2 + H2O =>
6 NH3 + NiCl2*6H2O = Ni(NH3)6Cl2 + 6 H2O
(NH4)3PO4 + AgNO3 = Ag3PO4 + (NH4)NO3 =>
(NH4)3PO4 + 3 AgNO3 = Ag3PO4 + 3(NH4)NO3
Cl2 + C1H4 = C1H2Cl2 + HCl =>
2 Cl2 + C1H4 = C1H2Cl2 + 2 HCl
CrO2 + HNO3 = CrO3 + NO2 + H2O =>
CrO2 + 2 HNO3 = CrO3 + 2 NO2 + H2O
Ba(OH)2 + Li2SO4 = LiOH + BaSO4 =>
Ba(OH)2 + Li2SO4 = 2 LiOH + BaSO4
H3PO4 + calciumhydroxide = water + Ca3(PO4)2 =>
2 H3PO4 + 3 Ca(OH)2 = 6 H2O + Ca3(PO4)2
CrO2 + HNO3 = Cr(NO3)4 + H2O =>
CrO2 + 4 HNO3 = Cr(NO3)4 + 2 H2O
CrO2 + HNO3 = CrO3 + NO2 + H2O =>
CrO2 + 2 HNO3 = CrO3 + 2 NO2 + H2O
C6H10O + NH2NHCONH2 = C6H10NNHCONH2 + H2O =>
C6H10O + NH2NHCONH2 = C6H10NNHCONH2 + H2O
CrO2 + HNO3 = CrO3 + NO2 + H2O =>
CrO2 + 2 HNO3 = CrO3 + 2 NO2 + H2O
C6H10O + NH2NHCONH2 = C6H10NNHCONH2 + H2O =>
C6H10O + NH2NHCONH2 = C6H10NNHCONH2 + H2O
Tl3 + H2Te = TlTe3 + H2 =>
Tl3 + 9 H2Te = 3 TlTe3 + 9 H2
H2S + HNO2 = H2SO4 + NO + H2O =>
H2S + 8 HNO2 = H2SO4 + 8 NO + 4 H2O
CrO2 + HNO3 = CrO3 + NO2 + H2O =>
CrO2 + 2 HNO3 = CrO3 + 2 NO2 + H2O
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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