| Équations équilibrées la veille |
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Y + F2 = YF3 =>
2 Y + 3 F2 = 2 YF3
AgNO3 + NaCN = NaNO3 + Na(Ag(CN)2) =>
AgNO3 + 2 NaCN = NaNO3 + Na(Ag(CN)2)
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
Pd + HNO3 = PdO2 + NO2 + H2O =>
Pd + 4 HNO3 = PdO2 + 4 NO2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaHCO3(aq) = NaOH(aq) + CO2(g) =>
NaHCO3(aq) = NaOH(aq) + CO2(g)
Cr(OH)3 + NaClO3 + Na2CO3 = Na2CrO4 + NaCl + H2O + CO2 =>
2 Cr(OH)3 + NaClO3 + 2 Na2CO3 = 2 Na2CrO4 + NaCl + 3 H2O + 2 CO2
HO4 = H2O + O2 =>
4 HO4 = 2 H2O + 7 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C16H32O2 + CH4O = C3H8O3 + C17H34O2 =>
15 C16H32O2 + CH4O = C3H8O3 + 14 C17H34O2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CaCO3 + NaOH = Ca(OH)2 + Na2CO3 =>
CaCO3 + 2 NaOH = Ca(OH)2 + Na2CO3
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 = =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Fe2O3 + C3 = Fe + CO =>
Fe2O3 + C3 = 2 Fe + 3 CO
PbCl{3} + NaCrO{4} = Pb(CrO{4}){3} + NaCl =>
PbCl{3} + NaCrO{4} = Pb(CrO{4}){3} + NaCl
CH3OH + NaH = CH3ONa + H2 =>
CH3OH + NaH = CH3ONa + H2
Fe(Cl)3 + Na(OH) = Fe(OH)3 + Na(Cl) =>
Fe(Cl)3 + 3 Na(OH) = Fe(OH)3 + 3 Na(Cl)
CuIO3 + K2CO3 = KIO3 + CCu2O3 =>
2 CuIO3 + K2CO3 = 2 KIO3 + CCu2O3
H2CrO4 + Pb(OH)4 = Pb(CrO4)2 + H2O =>
2 H2CrO4 + Pb(OH)4 = Pb(CrO4)2 + 4 H2O
C6H5CH2CH3 + O2 = C6H5CH(O2H)CH3 =>
C6H5CH2CH3 + O2 = C6H5CH(O2H)CH3
NaC7H5O2 + HCl = C6H5COOH + NaCl =>
NaC7H5O2 + HCl = C6H5COOH + NaCl
CdOHCl + HClO4 = CdCl2 + Cd(ClO4)2 + H2O =>
2 CdOHCl + 2 HClO4 = CdCl2 + Cd(ClO4)2 + 2 H2O
Al(NO3)3(aq) + Ba(OH)2(aq) = Al(OH)3(s) + Ba(NO3)2(aq) =>
2 Al(NO3)3(aq) + 3 Ba(OH)2(aq) = 2 Al(OH)3(s) + 3 Ba(NO3)2(aq)
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Sn + FeCl2 = SnCl4 + Fe =>
Sn + 2 FeCl2 = SnCl4 + 2 Fe
NiCl2 + NaBH4 + H2O = Ni + NaCl + H3BO3 + H2 =>
NiCl2 + 2 NaBH4 + 6 H2O = Ni + 2 NaCl + 2 H3BO3 + 7 H2
CH2O(g) + O2(g) = CO(g) + H2O(g) =>
2 CH2O(g) + O2(g) = 2 CO(g) + 2 H2O(g)
Ti + HF + HNO3 = H2[TiF6] + N2O3 + H2O =>
Ti + 6 HF + 2 HNO3 = H2[TiF6] + N2O3 + 3 H2O
Al2(SO)3 + KOH = Al(OH)3 + K2SO =>
Al2(SO)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO
S8 + O8 = SO3 =>
S8 + 3 O8 = 8 SO3
Al2(SO)3 + KOH = Al(OH)3 + K2SO =>
Al2(SO)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO
C3H6O + CuOH = C3H8O + CuO =>
C3H6O + 2 CuOH = C3H8O + 2 CuO
ClO2 + BrO3 = ClO3 + Br =>
3 ClO2 + BrO3 = 3 ClO3 + Br
H(NO3) + KI = K(NO3) + HI =>
H(NO3) + KI = K(NO3) + HI
C + Cl2 + F2 = CCl2F2 =>
C + Cl2 + F2 = CCl2F2
ClO2 + BrO3 = ClO3 + Br =>
3 ClO2 + BrO3 = 3 ClO3 + Br
K2CrO4 + C2H5OH + H2SO4 = CH3COOH + H2O + Cr2(SO4)3 + K2SO4 =>
4 K2CrO4 + 3 C2H5OH + 10 H2SO4 = 3 CH3COOH + 13 H2O + 2 Cr2(SO4)3 + 4 K2SO4
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
C2H3NaO2 + H2O = C4H8O4 + NaOH =>
2 C2H3NaO2 + 2 H2O = C4H8O4 + 2 NaOH
MgCl2 + Na2SO3 = Mg(SO3) + NaCl =>
MgCl2 + Na2SO3 = Mg(SO3) + 2 NaCl
ClO2 + BrO3 = ClO3 + Br =>
3 ClO2 + BrO3 = 3 ClO3 + Br
C3H6O + CuOH = C3H8O + CuO =>
C3H6O + 2 CuOH = C3H8O + 2 CuO
CuI + NaOH = Cu(OH)2 + Na + I =>
CuI + 2 NaOH = Cu(OH)2 + 2 Na + I
FeBr3(aq) + Ba(OH)2(aq) = Fe(OH)3(s) + BaBr2(aq) =>
2 FeBr3(aq) + 3 Ba(OH)2(aq) = 2 Fe(OH)3(s) + 3 BaBr2(aq)
MgCl2 + Na2SO3 = Mg(SO3) + NaCl =>
MgCl2 + Na2SO3 = Mg(SO3) + 2 NaCl
Zr + HNO3 + HCl = ZrCl4 + NO + H2O =>
3 Zr + 4 HNO3 + 12 HCl = 3 ZrCl4 + 4 NO + 8 H2O
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