| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO2 + 2 Mg = Mn + 2 MgO
C7H6O + O2 = CO2 + H2O =>
C7H6O + 8 O2 = 7 CO2 + 3 H2O
P3 + I2 = PI3 =>
2 P3 + 9 I2 = 6 PI3
H2SO4 + Na2SiO3 = Na2SO4 + H2SiO3 =>
H2SO4 + Na2SiO3 = Na2SO4 + H2SiO3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Ba + S8 = BaS =>
8 Ba + S8 = 8 BaS
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2(SO4) + Pb(NO3)2 = Pb(SO4) + NaNO3 =>
Na2(SO4) + Pb(NO3)2 = Pb(SO4) + 2 NaNO3
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
S + O2 = SO2 =>
S + O2 = SO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KClO3 = O2 + KCl =>
2 KClO3 = 3 O2 + 2 KCl
NH3 + Cl2 = NH4Cl + NCl =>
4 NH3 + 2 Cl2 = 3 NH4Cl + NCl
Cr2O3 + Al = AlO3 + Cr =>
Cr2O3 + Al = AlO3 + 2 Cr
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
FeSO4 + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 FeSO4 + 5 KI + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2SO4 + 3 I2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HC2H3O2 + NaHCO3 = NaC2H3O2 + H20 + CO2 =>
15 HC2H3O2 + 10 NaHCO3 = 10 NaC2H3O2 + 2 H20 + 20 CO2
PbCl2 + Ca(NO3)2 = Pb(NO3)2 + Cl2Ca =>
PbCl2 + Ca(NO3)2 = Pb(NO3)2 + Cl2Ca
KMnO4 + K2S2O3 + H2SO4 = MnO2 + K2SO4 + KOH =>
16 KMnO4 + 6 K2S2O3 + H2SO4 = 16 MnO2 + 13 K2SO4 + 2 KOH
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
Al(OH)4 + NH4[CH3CO2] = Al(OH)3 + NH4OH + CH3CO2 =>
Al(OH)4 + NH4[CH3CO2] = Al(OH)3 + NH4OH + CH3CO2
AlPO4 + Ba(CN)2 = Al(CN)3 + Ba3(PO4)2 =>
2 AlPO4 + 3 Ba(CN)2 = 2 Al(CN)3 + Ba3(PO4)2
Ca(OH)2 + H3PO4 = CaPO4H + H2O =>
Ca(OH)2 + H3PO4 = CaPO4H + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Br + NaOH = NaBrO3 + NaBr + H2O =>
6 Br + 6 NaOH = NaBrO3 + 5 NaBr + 3 H2O
*CO2 + CaO = CaCO3 =>
*CO2 + CaO = CaCO3
CS2(l) + O2(g) = CO2(g) + SO2(g) =>
CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
HCl + K2Cr2O7 + CH3CH2OH = CrCl3 + H2O + CH2COOH + KCl =>
40 HCl + 5 K2Cr2O7 + 6 CH3CH2OH = 10 CrCl3 + 29 H2O + 6 CH2COOH + 10 KCl
Na2S + CuSO4 = Na2SO4 + CuS =>
Na2S + CuSO4 = Na2SO4 + CuS
Na2S + CuSO4 = Na2SO4 + SCu =>
Na2S + CuSO4 = Na2SO4 + SCu
Na2S + CuSO4 = Na2SO4 + CuS =>
Na2S + CuSO4 = Na2SO4 + CuS
Ca(HS)2 + HNO3 = CaSO4 + H2SO4 + NO2 + H2O =>
Ca(HS)2 + 16 HNO3 = CaSO4 + H2SO4 + 16 NO2 + 8 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
Fe2O3 + Cl2 + OH{-} = FeO4{2-} + Cl{-} + H2O =>
Fe2O3 + 3 Cl2 + 10 OH{-} = 2 FeO4{2-} + 6 Cl{-} + 5 H2O
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
BCl3 + P4 + H2 = PB + HCl =>
4 BCl3 + P4 + 6 H2 = 4 PB + 12 HCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Cr2O3 + Ca2Co3 + O2 = Ca2CrO4 + Co2 =>
2 Cr2O3 + 4 Ca2Co3 + 5 O2 = 4 Ca2CrO4 + 6 Co2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/15/13
Équations équilibrées sur11/14/12
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