| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ag2S(s) + HNO3(ac) = AgNO3(ac) + NO(g) + S(s) + H2O(l) =>
3 Ag2S(s) + 8 HNO3(ac) = 6 AgNO3(ac) + 2 NO(g) + 3 S(s) + 4 H2O(l)
OH{-} + HNO2 + SbO{+} = NO + Sb2O5 + H2O =>
2 OH{-} + 4 HNO2 + 2 SbO{+} = 4 NO + Sb2O5 + 3 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
Se2Br2 + H2O = HBr + H2SeO3 + Se =>
2 Se2Br2 + 3 H2O = 4 HBr + H2SeO3 + 3 Se
Na2SO4 + Fe(NO3)3 = Fe2(SO4)3 + NaNO3 =>
3 Na2SO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 6 NaNO3
Fe(NO3)2 + NH4OH = Fe(OH)2 + NH4NO3 =>
Fe(NO3)2 + 2 NH4OH = Fe(OH)2 + 2 NH4NO3
FeS + H2O = FeSO4 + H{+} + e =>
FeS + 4 H2O = FeSO4 + 8 H{+} + 8e
Zn + SnCl2 + H2O = ZnClOH + Sn + H2 =>
2 Zn + SnCl2 + 2 H2O = 2 ZnClOH + Sn + H2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Li2S + O2 = Li2O + S8 =>
8 Li2S + 4 O2 = 8 Li2O + S8
NaJO3 + Na2SO3 + H2SO4 = Na2SO4 + H2O + J2 =>
2 NaJO3 + 5 Na2SO3 + H2SO4 = 6 Na2SO4 + H2O + J2
Ag(NO3)(aq) + HCl(aq) = AgCl(s) + HNO3(aq) =>
Ag(NO3)(aq) + HCl(aq) = AgCl(s) + HNO3(aq)
SnO4 + H2O = SnO2 + OH =>
SnO4 + 2 H2O = SnO2 + 4 OH
FeCl3 + H2S = Fe2S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
Ag2CO3(s) + HNO3(aq) = Ag(NO3)(aq) + CO2(g) + H2O(l) =>
Ag2CO3(s) + 2 HNO3(aq) = 2 Ag(NO3)(aq) + CO2(g) + H2O(l)
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
BaCI2 + K2CO3 = K2CI2 + BaCO3 =>
BaCI2 + K2CO3 = K2CI2 + BaCO3
Al(s) + NaOH(aq) + H2O(l) = Na(Al(OH)4)(aq) + H2(g) =>
2 Al(s) + 2 NaOH(aq) + 6 H2O(l) = 2 Na(Al(OH)4)(aq) + 3 H2(g)
Li[AlH4] + BCl3 = Li[AlCl4] + B2H6 =>
3 Li[AlH4] + 4 BCl3 = 3 Li[AlCl4] + 2 B2H6
BaCl2 + NaSO3 = NaCl2 + BaSO3 =>
BaCl2 + NaSO3 = NaCl2 + BaSO3
P4(s) + O2(g) = P2O2(g) =>
P4(s) + 2 O2(g) = 2 P2O2(g)
Al2O3(aq) + H2(g) = Al(s) + H2O(l) =>
Al2O3(aq) + 3 H2(g) = 2 Al(s) + 3 H2O(l)
(CH3)2NH2Cl + CH3COOAg = AgCl + [(CH3)2NH]CH3COOH =>
(CH3)2NH2Cl + CH3COOAg = AgCl + [(CH3)2NH]CH3COOH
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COH + H2O =>
4 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COH + 8 H2O
NaC12H22O2 + O2 + NaOH = Na2CO3 + H2O =>
4 NaC12H22O2 + 67 O2 + 92 NaOH = 48 Na2CO3 + 90 H2O
NO + H2O = NO3 + H{+} + e =>
NO + 2 H2O = NO3 + 4 H{+} + 4e
PH3 + P4 = PH3P4 =>
PH3 + P4 = PH3P4
BaCl2 + NaSO3 = NaCl2 + BaSO3 =>
BaCl2 + NaSO3 = NaCl2 + BaSO3
Al2C2 + H2O = Al(OH)2 + CH2 =>
Al2C2 + 4 H2O = 2 Al(OH)2 + 2 CH2
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
W + HCl = WCl + H2 =>
2 W + 2 HCl = 2 WCl + H2
Zn + Cr2(SO4)3 = ZnSO4 + Cr =>
3 Zn + Cr2(SO4)3 = 3 ZnSO4 + 2 Cr
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
CuSO4*5H2O + (NH4)2SO4 + H2O = Cu(NH4)2(SO4)2*6H2O =>
CuSO4*5H2O + (NH4)2SO4 + H2O = Cu(NH4)2(SO4)2*6H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
SiO2 + NaOH + CaCO3 = (SiO2)121(Na2O)22(CaO)26 + CO2 + H2O =>
121 SiO2 + 44 NaOH + 26 CaCO3 = (SiO2)121(Na2O)22(CaO)26 + 26 CO2 + 22 H2O
(NH4)2CO3 + BeCl2 = BeCO3 + NH4Cl =>
(NH4)2CO3 + BeCl2 = BeCO3 + 2 NH4Cl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
FeI3 + Mg = MgI + FeI2 =>
FeI3 + Mg = MgI + FeI2
Zr + HNO3 + HF = H2[ZrF6] + NO + H2O =>
3 Zr + 4 HNO3 + 18 HF = 3 H2[ZrF6] + 4 NO + 8 H2O
Pb + N2 = Pb2N4 =>
2 Pb + 2 N2 = Pb2N4
Na2HPO4 + FeSO4 = Na2SO4 + Fe3(PO4)2 + H2SO4 =>
2 Na2HPO4 + 3 FeSO4 = 2 Na2SO4 + Fe3(PO4)2 + H2SO4
HCl + K2SO3 = KCl + SO2 + H2O =>
2 HCl + K2SO3 = 2 KCl + SO2 + H2O
H2O + NaCl = NaH2O + Cl2 =>
2 H2O + 2 NaCl = 2 NaH2O + Cl2
CH3CHBrCH2Br + HBr = CH2BrCHBrCH2Br + H2 =>
CH3CHBrCH2Br + HBr = CH2BrCHBrCH2Br + H2
Al(NO3)3 + Ca(NO3)2 = Al(NO3)2 + Ca(NO3)3 =>
Al(NO3)3 + Ca(NO3)2 = Al(NO3)2 + Ca(NO3)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/17/24
Équations équilibrées sur12/17/23
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