| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Co(OH)2 + O2 = 4 CoOOH + 2 H2O
CH3CH2(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CHOCH3 + H2O =>
24 CH3CH2(OH)CH3 + 7 K2Cr2O7 + 28 H2SO4 = 7 Cr2(SO4)3 + 7 K2SO4 + 18 CH3CH2CHOCH3 + 55 H2O
SrSO4 + O2 = SO4 + SrO =>
2 SrSO4 + O2 = 2 SO4 + 2 SrO
NaBr + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + Br2 + H2O =>
6 NaBr + Na2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 4 Na2SO4 + 3 Br2 + 7 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Al2(SO4)3*18H2O + Ca(HCO3)2 = Al(OH)3 + CaSO4 + CO2 + H2O =>
Al2(SO4)3*18H2O + 3 Ca(HCO3)2 = 2 Al(OH)3 + 3 CaSO4 + 6 CO2 + 18 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C4H7NO4 + C2H5OH = C8H15NO4 + H2O =>
C4H7NO4 + 2 C2H5OH = C8H15NO4 + 2 H2O
Al2SO4 + Mg(NO3)2 = Al2(NO3)2 + MgSO4 =>
Al2SO4 + Mg(NO3)2 = Al2(NO3)2 + MgSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe(s) + H2SO4(aq) = Fe3(SO4)2(aq) + H2(g) =>
3 Fe(s) + 2 H2SO4(aq) = Fe3(SO4)2(aq) + 2 H2(g)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeCl2 + S + HCl = FeCl3 + H2S =>
2 FeCl2 + S + 2 HCl = 2 FeCl3 + H2S
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
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
MnO4 + C2042{-} + H{+} = Mn2{+} + CO2 + H2O =>
5446 MnO4 + 5 C2042{-} + 2728 H{+} = 2723 Mn2{+} + 10210 CO2 + 1364 H2O
N2(s) + H2(s) = NH3(g) =>
N2(s) + 3 H2(s) = 2 NH3(g)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
Zn(NO3)2(aq) + Na2CO3 = Zn2(CO3)2(s) + NaNO3(aq) =>
2 Zn(NO3)2(aq) + 2 Na2CO3 = Zn2(CO3)2(s) + 4 NaNO3(aq)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH2Cl + NH3 = N2H4 + HCl =>
NH2Cl + NH3 = N2H4 + HCl
Cr2(SO4)3 + KOH + H2O2 = K2CrO4 + H2O + K2SO4 =>
Cr2(SO4)3 + 10 KOH + 3 H2O2 = 2 K2CrO4 + 8 H2O + 3 K2SO4
FeOHCl2 + H2O = Fe(OH)2Cl + HCl =>
FeOHCl2 + H2O = Fe(OH)2Cl + HCl
Cr(OH)3 + H2SeO3 = H2O + CrH(SeO3)2 =>
Cr(OH)3 + 2 H2SeO3 = 3 H2O + CrH(SeO3)2
H2S2O3 = S + SO2 + H2O =>
H2S2O3 = S + SO2 + H2O
As2O3 + NH4OH = NH4AsO2 + H2O =>
As2O3 + 2 NH4OH = 2 NH4AsO2 + H2O
H2S + K2SiO3 = K2S + H2SiO3 =>
H2S + K2SiO3 = K2S + H2SiO3
P(C6H5)3 + S8 = C18H15PS =>
8 P(C6H5)3 + S8 = 8 C18H15PS
C5H5NHCl + NaOH = C5H5N + NaCl + H2O =>
C5H5NHCl + NaOH = C5H5N + NaCl + H2O
SnI4(s) + H2O(l) = SnO2(s) + HI(s) =>
SnI4(s) + 2 H2O(l) = SnO2(s) + 4 HI(s)
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
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P(s) + H2(g) = PH3(g) =>
2 P(s) + 3 H2(g) = 2 PH3(g)
AuNO3 + NaBr = AuBr + NaNO3 =>
AuNO3 + NaBr = AuBr + NaNO3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/20/25
Équations équilibrées sur03/22/24
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