| Équations équilibrées la veille |
3 N2O3 + H2O = 2 HNO3 + 4 NO
I + NaBr = Br + NaI =>
I + NaBr = Br + NaI
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
AgNO3(aq) + Zn(s) = Ag(s) + Zn(NO3)3(aq) =>
3 AgNO3(aq) + Zn(s) = 3 Ag(s) + Zn(NO3)3(aq)
NO3{-} + H3O{+} + Cl{-} = ClO3{-} + NO + H2O =>
2 NO3{-} + 2 H3O{+} + Cl{-} = ClO3{-} + 2 NO + 3 H2O
C3H5O3(C17H35CO)3 + H2O = C3H8O3 + C17H35COOH =>
C3H5O3(C17H35CO)3 + 3 H2O = C3H8O3 + 3 C17H35COOH
NaC2H3O2(s) + HCl(aq) = HC2H3O2(aq) + NaCl(aq) =>
NaC2H3O2(s) + HCl(aq) = HC2H3O2(aq) + NaCl(aq)
NaCl(aq) + Na2CO3(aq) = NaCO3 + Na2Cl =>
NaCl(aq) + Na2CO3(aq) = NaCO3 + Na2Cl
CH4 + Cl = CHCl + HCl =>
CH4 + 4 Cl = CHCl + 3 HCl
Cu(NO3)2 + KPO4 = CuPO4 + K(NO3)2 =>
Cu(NO3)2 + KPO4 = CuPO4 + K(NO3)2
CH3COOH + CH3CH2OH = CH3CO2CCH2CH3 + H2O =>
3 CH3COOH + 2 CH3CH2OH = 2 CH3CO2CCH2CH3 + 4 H2O
C3H89(g) + O2(g) = CO2(g) + H2O(g) =>
4 C3H89(g) + 101 O2(g) = 12 CO2(g) + 178 H2O(g)
CH3(CH2)2CH3 + O2 = CO2 + H2O2 = CO2 + H2O =>
CH3(CH2)2CH3 + 9 O2 = 4 CO2 + 5 H2O2
Pb2(NO3) + NaI = Pb2I + NaNO3 =>
Pb2(NO3) + NaI = Pb2I + NaNO3
Ca + O2 = Ca2O3 =>
4 Ca + 3 O2 = 2 Ca2O3
C2H4(OH)2 + H2 = C2H4 + H2O =>
C2H4(OH)2 + H2 = C2H4 + 2 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
HCl + Na = NaCl2 + H2 =>
2 HCl + Na = NaCl2 + H2
Ca(OH)2 + HCl = Ca + HCl(OH) =>
Ca(OH)2 + 2 HCl = Ca + 2 HCl(OH)
Ge + NaOH + H2O = Na2GeO3 + H2 =>
Ge + 2 NaOH + H2O = Na2GeO3 + 2 H2
H{+} + MnO4{-} + Cr{2+} = Mn{2+} + Cr{3+} + H2O =>
8 H{+} + MnO4{-} + 5 Cr{2+} = Mn{2+} + 5 Cr{3+} + 4 H2O
S2O8 = S8 + O2 =>
4 S2O8 = S8 + 16 O2
Na2SO3 + H2O = H2SO3 + NaOH =>
Na2SO3 + 2 H2O = H2SO3 + 2 NaOH
H2 + Cl + NaOH = NaCl + H2O =>
H2 + 2 Cl + 2 NaOH = 2 NaCl + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(OH)2(aq) + HCl(aq) = H2O(l) + MgCl2(aq) =>
Mg(OH)2(aq) + 2 HCl(aq) = 2 H2O(l) + MgCl2(aq)
HCO3{-} + NH3 = CO3{2-} + NH4{+} =>
HCO3{-} + NH3 = CO3{2-} + NH4{+}
HClO2 + H2S = H2SO4 + HCl =>
2 HClO2 + H2S = H2SO4 + 2 HCl
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Ag + S = Ag2S =>
2 Ag + S = Ag2S
CH3CONHCH3 + HCl + H2O = CH3NH3Cl + CH3COOH =>
CH3CONHCH3 + HCl + H2O = CH3NH3Cl + CH3COOH
KMnO4 + H2SO4 + CH3CHO = K2SO4 + Mn + CH3COOH + H2O =>
2 KMnO4 + H2SO4 + 7 CH3CHO = K2SO4 + 2 Mn + 7 CH3COOH + H2O
Cu2O + Cr = Cu + Cr2O3 =>
3 Cu2O + 2 Cr = 6 Cu + Cr2O3
CH3CH2OH + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3CH2OH + 4 I2 + NaOH = CHI3 + HCOONa + 5 HI
Cu + Au(OH) = Au + Cu(OH) =>
Cu + Au(OH) = Au + Cu(OH)
NH4 + NaClO = NH + NaCl + H2O =>
2 NH4 + 3 NaClO = 2 NH + 3 NaCl + 3 H2O
CaCl2(aq) + Cs3PO4(aq) = Ca3(PO4)2(aq) + CsCl(s) =>
3 CaCl2(aq) + 2 Cs3PO4(aq) = Ca3(PO4)2(aq) + 6 CsCl(s)
NH4CHO2 = HCN + H2O =>
NH4CHO2 = HCN + 2 H2O
K + O2 = OK =>
2 K + O2 = 2 OK
Xe + O2 = XeO3 =>
2 Xe + 3 O2 = 2 XeO3
AgCl + Na2S2O3*5H2O = Na3[Ag(S2O3)2] + NaCl + H2O =>
AgCl + 2 Na2S2O3*5H2O = Na3[Ag(S2O3)2] + NaCl + 10 H2O
Fe + NaCl + H2O = FeCl2 + NaOH + H2 =>
Fe + 2 NaCl + 2 H2O = FeCl2 + 2 NaOH + H2
NH4Cl + K2SiO3 = NH3 + SiO2 + KCl + H2O =>
2 NH4Cl + K2SiO3 = 2 NH3 + SiO2 + 2 KCl + H2O
Cu2S + HNO3 = Cu(NO3) + CuSO4 + NO + H2O =>
Cu2S + 4 HNO3 = Cu(NO3) + CuSO4 + 3 NO + 2 H2O
NaF(s) + H3O(aq) = H2O(l) + Na(s) + HF(aq) =>
NaF(s) + H3O(aq) = H2O(l) + Na(s) + HF(aq)
CH3COONa + FeCl3 + H2O = [Fe3(OH)2(CH3COO)6]Cl + NaCl + CH3COOH =>
8 CH3COONa + 3 FeCl3 + 2 H2O = [Fe3(OH)2(CH3COO)6]Cl + 8 NaCl + 2 CH3COOH
BaI2 + (NH4)2SO4 = BaSO4 + (NH4)2I2 =>
BaI2 + (NH4)2SO4 = BaSO4 + (NH4)2I2
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + Na(NO3) =>
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + 2 Na(NO3)
Cl2 = Cl =>
Cl2 = 2 Cl
KMnO4 + Na3[Sb(OH)4] + KOH = K2MnO4 + Na[Sb(OH)6] + NaOH =>
4 KMnO4 + Na3[Sb(OH)4] + 4 KOH = 4 K2MnO4 + Na[Sb(OH)6] + 2 NaOH
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Équations équilibrées sur11/22/24
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