| Équations équilibrées la veille |
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
SnS + HNO3 = SnO2 + H2SO4 + NO2 + H2O =>
SnS + 10 HNO3 = SnO2 + H2SO4 + 10 NO2 + 4 H2O
K3(Al(OH)6) = K3AlO3 + H2O =>
K3(Al(OH)6) = K3AlO3 + 3 H2O
C12H11N + HNO3 = C12H9N3O4 + H2O =>
C12H11N + 2 HNO3 = C12H9N3O4 + 2 H2O
Br(NO3)3 + NaNO3 + H2O = NaBrO3 + Na + HNO3 =>
Br(NO3)3 + 3 NaNO3 + 3 H2O = NaBrO3 + 2 Na + 6 HNO3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(NO3)2(aq) + K3PO4(aq) = Fe3(PO4)2(aq) + KNO3(aq) =>
3 Fe(NO3)2(aq) + 2 K3PO4(aq) = Fe3(PO4)2(aq) + 6 KNO3(aq)
CH3COCH2CH3 + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3COCH2CH3 + 7 I2 + NaOH = 3 CHI3 + HCOONa + 5 HI
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Ca(OH)2 + HC2H3O2 = (C2H3O2)2Ca + H2O =>
Ca(OH)2 + 2 HC2H3O2 = (C2H3O2)2Ca + 2 H2O
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
H2S + Na2CO3 = Na2H2SO + CO2 =>
H2S + Na2CO3 = Na2H2SO + CO2
Zn + Au(NO3)3 = Au + Zn(NO3)2 =>
3 Zn + 2 Au(NO3)3 = 2 Au + 3 Zn(NO3)2
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
K + AgNO3 = KNO3 + Ag =>
K + AgNO3 = KNO3 + Ag
Na2S(aq) + HCl(aq) = H2S(g) + NaCl(aq) =>
Na2S(aq) + 2 HCl(aq) = H2S(g) + 2 NaCl(aq)
Eu2O3 + HNO3 + H2O = Eu(NO3)3*6H2O =>
Eu2O3 + 6 HNO3 + 9 H2O = 2 Eu(NO3)3*6H2O
Co(NO3)2 + Na2S = CoS + NaNO3 =>
Co(NO3)2 + Na2S = CoS + 2 NaNO3
CoS + CO + Cu = Co2(CO)8 + Cu2S =>
2 CoS + 8 CO + 4 Cu = Co2(CO)8 + 2 Cu2S
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH2ONaCHONaCH2ONa + H2S = CH2SHCHSHCH2SH + NaOH =>
CH2ONaCHONaCH2ONa + 3 H2S = CH2SHCHSHCH2SH + 3 NaOH
K(MnO4) + HCl = MnCl2 + KCl + Cl2 + H2O =>
2 K(MnO4) + 16 HCl = 2 MnCl2 + 2 KCl + 5 Cl2 + 8 H2O
Al + ZnCrO4 = Al2(CrO4)3 + Zn =>
2 Al + 3 ZnCrO4 = Al2(CrO4)3 + 3 Zn
Mg(cr) + O2(g) = MgO9(cr) =>
2 Mg(cr) + 9 O2(g) = 2 MgO9(cr)
NaHCO3 + HNO2 = NaNO2 + H2O + CO2 =>
NaHCO3 + HNO2 = NaNO2 + H2O + CO2
Al + CH3COOH = Al(CH3COO)2 + H2 =>
Al + 2 CH3COOH = Al(CH3COO)2 + H2
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Mn + Pb{4+} = Mn{3+} + Pb =>
4 Mn + 3 Pb{4+} = 4 Mn{3+} + 3 Pb
C2H3 + KMnO4 + H2SO4 = CO2 + K2SO4 + MnSO4 + H2O =>
10 C2H3 + 22 KMnO4 + 33 H2SO4 = 20 CO2 + 11 K2SO4 + 22 MnSO4 + 48 H2O
Pb(NO3)2 + CuSO4 = Cu(NO3)2 + PbSO4(s) =>
Pb(NO3)2 + CuSO4 = Cu(NO3)2 + PbSO4(s)
Al + ZnCrO4 = Al2(CrO4)3 + Zn =>
2 Al + 3 ZnCrO4 = Al2(CrO4)3 + 3 Zn
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
C3H6 + C3H6O2 = C6H12O2 =>
C3H6 + C3H6O2 = C6H12O2
Ga + HNO3 = Ga(NO3)3 + NH4NO3 + H2O =>
8 Ga + 30 HNO3 = 8 Ga(NO3)3 + 3 NH4NO3 + 9 H2O
Cr2(SO4)3 + K3[Fe(CN)6] + KOH = K2CrO4 + K4[Fe(CN)6] + H2O + K2SO4 =>
Cr2(SO4)3 + 6 K3[Fe(CN)6] + 16 KOH = 2 K2CrO4 + 6 K4[Fe(CN)6] + 8 H2O + 3 K2SO4
CH3CH2CH2CH2OH + K = CH3CH2CH2CH2OK + H2 =>
2 CH3CH2CH2CH2OH + 2 K = 2 CH3CH2CH2CH2OK + H2
K + Ca(ClO3)2 = Ca + K(ClO3)2 =>
K + Ca(ClO3)2 = Ca + K(ClO3)2
Fe(OH)2 = Fe3O4 + H2O + H2 =>
3 Fe(OH)2 = Fe3O4 + 2 H2O + H2
C2H2 + Cu(NH3)2Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2 Cu(NH3)2Cl = C2Cu2 + 4 NH3 + 2 HCl
H2SO4 + Zn = ZnSO4 + SO2 + H2O =>
2 H2SO4 + Zn = ZnSO4 + SO2 + 2 H2O
Cu + Na2S2O3 = CuS2O3 + Na =>
Cu + Na2S2O3 = CuS2O3 + 2 Na
FeCl3 + KOH = KCl + Fe(OH)3 =>
FeCl3 + 3 KOH = 3 KCl + Fe(OH)3
NaHCO3 = Na + HCO3 =>
NaHCO3 = Na + HCO3
Mg3N2 + H2SO4 = MgSO4 + (NH4)2 + SO4 =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2 + SO4
Fe(NO3)2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O + HNO3 =>
2 Fe(NO3)2 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 2 H2O + 4 HNO3
CH3OH + CrO3 + H2SO4 = CH2O + Cr2(SO4)3 + H2O =>
3 CH3OH + 2 CrO3 + 3 H2SO4 = 3 CH2O + Cr2(SO4)3 + 6 H2O
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Équations équilibrées sur01/05/25
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