| Équations équilibrées la veille |
Si(OC2H5)4 + 2 H2O = SiO2 + 4 C2H5OH
Al + OH{-} = Al(OH)3 + e =>
Al + 3 OH{-} = Al(OH)3 + 3e
RaCO3 = RaO + CO2 =>
RaCO3 = RaO + CO2
H{3+}PO{4+} + Ca(OH) = Ca{3+}(PO4)2 + H2O =>
H{3+}PO{4+} + Ca(OH) = Ca{3+}(PO4)2 + H2O
U + O2 = U2O3 =>
4 U + 3 O2 = 2 U2O3
SrS + O2 = SrO + SO2 =>
2 SrS + 3 O2 = 2 SrO + 2 SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AgNO3 + KPO4 = AgK + NO3PO4 =>
AgNO3 + KPO4 = AgK + NO3PO4
Cl2 + NO + H2O = Cl{-} + HNO2 + H{+} =>
Cl2 + 2 NO + 2 H2O = 2 Cl{-} + 2 HNO2 + 2 H{+}
ZnS + ZnSO4 = ZnO + SO2 =>
ZnS + 3 ZnSO4 = 4 ZnO + 4 SO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca + (NH4)2C2O4 = CaC2O4 + (NH4)2 =>
Ca + (NH4)2C2O4 = CaC2O4 + (NH4)2
HCl + CaC2 = H2C2 + CaCl2 =>
2 HCl + CaC2 = H2C2 + CaCl2
CuBr2 + NH4NO3 = BrNH4 + Cu(NO3)2 =>
CuBr2 + 2 NH4NO3 = 2 BrNH4 + Cu(NO3)2
HC6H7O6 + CaCO3 = CO2 + H2O + Ca(C6H7O6)2 =>
2 HC6H7O6 + CaCO3 = CO2 + H2O + Ca(C6H7O6)2
Al + FeN2O6 = Al(NO3)3 + Fe =>
2 Al + 3 FeN2O6 = 2 Al(NO3)3 + 3 Fe
AgCl + NaNO3 = NaClAgNO3 =>
AgCl + NaNO3 = NaClAgNO3
CaCl2(aq) + NaHCO3(aq) = NaCl(aq) + CaCO3(s) + CO2(g) + H2O(l) =>
CaCl2(aq) + 2 NaHCO3(aq) = 2 NaCl(aq) + CaCO3(s) + CO2(g) + H2O(l)
C10H16N2O8 + H2O = C10H15N2O8 + H3O =>
C10H16N2O8 + H2O = C10H15N2O8 + H3O
Mg + H3O = MgO + H3 =>
Mg + H3O = MgO + H3
MnO4{-} + NO2 + H2O = Mn2{+} + NO3{-} + H{+} =>
2 MnO4{-} + 13 NO2 + 5 H2O = Mn2{+} + 13 NO3{-} + 10 H{+}
Sn + K2Cr2O7 = SnCr2O7 + K =>
Sn + K2Cr2O7 = SnCr2O7 + 2 K
MgCl2(s) = Mg(s) + Cl2(g) =>
MgCl2(s) = Mg(s) + Cl2(g)
NaAsO2 + KBrO3 + HCl = NaCl + KBr + HAsO4 =>
3 NaAsO2 + 2 KBrO3 + 3 HCl = 3 NaCl + 2 KBr + 3 HAsO4
CO2(g) + H2O = C12H24O12(s) + O2(g) =>
12 CO2(g) + 12 H2O = C12H24O12(s) + 12 O2(g)
Fe2 + H = FeH2 =>
Fe2 + 4 H = 2 FeH2
CaO + HBr = CaBr2 + H2O =>
CaO + 2 HBr = CaBr2 + H2O
AgNO2 + FeCl3 = AgCl + Fe(NO2)3 =>
3 AgNO2 + FeCl3 = 3 AgCl + Fe(NO2)3
C8H14 + O2 = CO2 + H2O =>
2 C8H14 + 23 O2 = 16 CO2 + 14 H2O
CH4O + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
2 CH4O + 4[Ag(NH3)2]OH = CH3COONH4 + 4 Ag + 7 NH3 + 4 H2O
Cr + NO3 = Cr(NO3)2 =>
Cr + 2 NO3 = Cr(NO3)2
Zn(OH)2 + H2CO3 = ZnCO3 + H2O =>
Zn(OH)2 + H2CO3 = ZnCO3 + 2 H2O
Cu(NO3)2 + NH4Br = CuBr + NH4(NO3)2 =>
Cu(NO3)2 + NH4Br = CuBr + NH4(NO3)2
F2(g) + FeI2(aq) = FeF2(aq) + I2(g) =>
F2(g) + FeI2(aq) = FeF2(aq) + I2(g)
Au3N = Au + N =>
Au3N = 3 Au + N
Al(HSO4)3 + Al(OH)3 = Al2(SO4)3 + H2O =>
Al(HSO4)3 + Al(OH)3 = Al2(SO4)3 + 3 H2O
MgCO3(s) + CH3COOH(aq) = Mg(CH3COO)2(aq) + CO2(g) + H2O(l) =>
MgCO3(s) + 2 CH3COOH(aq) = Mg(CH3COO)2(aq) + CO2(g) + H2O(l)
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Ba3N2 + H2O = Ba3O + H2N2 =>
Ba3N2 + H2O = Ba3O + H2N2
Cl2(aq) + KBr = KCl(aq) + Br2(g) =>
Cl2(aq) + 2 KBr = 2 KCl(aq) + Br2(g)
C2H5Li + C6H6 = LiCH + C7H10 =>
C2H5Li + C6H6 = LiCH + C7H10
Cu(NH3)4{2+} + CH3COOH = Cu{2+} + CH3COO{-} + NH4{+} =>
Cu(NH3)4{2+} + 4 CH3COOH = Cu{2+} + 4 CH3COO{-} + 4 NH4{+}
AgNO3(aq) + Pb(C2H3O2)2(aq) = AgC2H3O2 + Pb(NO3)2 =>
2 AgNO3(aq) + Pb(C2H3O2)2(aq) = 2 AgC2H3O2 + Pb(NO3)2
Pt + O = PtO =>
Pt + O = PtO
CuS + Cl2 = CuCl + S =>
2 CuS + Cl2 = 2 CuCl + 2 S
Sn{2+} + VO2{+} + H{+} = Sn{4+} + VO{2+} + H2O =>
Sn{2+} + 2 VO2{+} + 4 H{+} = Sn{4+} + 2 VO{2+} + 2 H2O
Fe(SCN)3 + NH4F = (NH4)3[FeF6] + NH4SCN =>
Fe(SCN)3 + 6 NH4F = (NH4)3[FeF6] + 3 NH4SCN
CaSO3 + H3PO4 = Ca3(PO4)2 + H2SO3 =>
3 CaSO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2SO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O(l) + CO2 = H2CO3(g) =>
H2O(l) + CO2 = H2CO3(g)
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Équations équilibrées sur10/23/24
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