| Équations équilibrées la veille |
5 CH3CH2OH + 2 KMnO4 + 3 H2SO4 = 5 CH3CHO + 2 MnSO4 + K2SO4 + 8 H2O
Ca(OH)2(aq) + NH4Cl(aq) = NH4OH(aq) + CaCl2 =>
Ca(OH)2(aq) + 2 NH4Cl(aq) = 2 NH4OH(aq) + CaCl2
Cd(NO3)2 + (NH4)2S = CdS + NH4NO3 =>
Cd(NO3)2 + (NH4)2S = CdS + 2 NH4NO3
NH4VO3 + Zn + HCl = NH3 + VO + ZnCl2 + H2O =>
2 NH4VO3 + 3 Zn + 6 HCl = 2 NH3 + 2 VO + 3 ZnCl2 + 4 H2O
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
CO2 + Ag2O = Ag2CO3 =>
CO2 + Ag2O = Ag2CO3
NH3 + HNO3 = NH4 + NO =>
9 NH3 + HNO3 = 7 NH4 + 3 NO
C3H8O2(l) + O2(g) = CO2(g) + H2O(l) =>
C3H8O2(l) + 4 O2(g) = 3 CO2(g) + 4 H2O(l)
FeCl3 + HCl = FeCl2 + HCl3 =>
2 FeCl3 + HCl = 2 FeCl2 + HCl3
BaCl2 + Cr2O7 = Cl2 + BaCr2O7 =>
BaCl2 + Cr2O7 = Cl2 + BaCr2O7
Fe + Fe(NO3)3 = Fe(NO3)2 =>
Fe + 2 Fe(NO3)3 = 3 Fe(NO3)2
SnO2 + CO = Sn + CO2 =>
SnO2 + 2 CO = Sn + 2 CO2
Ba(Cl)2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 Ba(Cl)2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
NaOH + Fe = Fe(OH)2 + Na =>
2 NaOH + Fe = Fe(OH)2 + 2 Na
Mn + O2 = Mn2O3 =>
4 Mn + 3 O2 = 2 Mn2O3
NaVO3 + H2SO4 + Zn = VSO4 + ZnSO4 + H2O + Na2SO4 =>
2 NaVO3 + 6 H2SO4 + 3 Zn = 2 VSO4 + 3 ZnSO4 + 6 H2O + Na2SO4
MgOH2 + NH4Cl = NH4 + MgCl2 + H2O =>
MgOH2 + 2 NH4Cl = 2 NH4 + MgCl2 + H2O
FeCl2 + HCl + HClO4 = FeCl3 + H2O =>
8 FeCl2 + 7 HCl + HClO4 = 8 FeCl3 + 4 H2O
F2 + I2 = IF7 =>
7 F2 + I2 = 2 IF7
Na2WO4 + H2SO4 = Na2SO4 + H2WO4 =>
Na2WO4 + H2SO4 = Na2SO4 + H2WO4
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Br2KI + H2O = KIO + HBr =>
Br2KI + H2O = KIO + 2 HBr
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + NH3 + H2O =>
2 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 2 NH3 + 2 H2O
SiCl4 + NH3 + H2O = NH4Cl + H2SiO3 =>
SiCl4 + 4 NH3 + 3 H2O = 4 NH4Cl + H2SiO3
Fe(OH)3 + HI = I2 + H2O + Fe(OH)2 =>
2 Fe(OH)3 + 2 HI = I2 + 2 H2O + 2 Fe(OH)2
CH2CH2 + KMnO4 + H2O = CH2OHCH2OH + MnO2 + KOH =>
3 CH2CH2 + 2 KMnO4 + 4 H2O = 3 CH2OHCH2OH + 2 MnO2 + 2 KOH
Fe(OH)3 + H3PO4 = FePO4 + H2O =>
Fe(OH)3 + H3PO4 = FePO4 + 3 H2O
NaNO2 + HCl = NaCl + H2O + NO + NO2 =>
2 NaNO2 + 2 HCl = 2 NaCl + H2O + NO + NO2
Au + O2 = Au2O =>
4 Au + O2 = 2 Au2O
C6H12O6 + NH3 = C10H18O5N2 + H2O + CO2 =>
7 C6H12O6 + 8 NH3 = 4 C10H18O5N2 + 18 H2O + 2 CO2
K + Sn(NO3)4 = Sn + K(NO3)4 =>
K + Sn(NO3)4 = Sn + K(NO3)4
Fe(NO3)3 + KCl = FeCl3 + K(NO3) =>
Fe(NO3)3 + 3 KCl = FeCl3 + 3 K(NO3)
Zn(OH)2 + Na = NaOH + Zn =>
Zn(OH)2 + 2 Na = 2 NaOH + Zn
CrO4 + NaOH = OH + Na2CrO4 =>
CrO4 + 2 NaOH = 2 OH + Na2CrO4
(NH4)2CO3 + KCl = (NH4)Cl + K2CO3 =>
(NH4)2CO3 + 2 KCl = 2(NH4)Cl + K2CO3
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
Cl2 + K2S = KCl + S =>
Cl2 + K2S = 2 KCl + S
SnS2 + HCl = SnCl6{2-} + H{+} + H2S =>
SnS2 + 6 HCl = SnCl6{2-} + 2 H{+} + 2 H2S
K2MnO4 + K2S2O3 + H2O = MnO2 + K2SO4 + KOH =>
4 K2MnO4 + K2S2O3 + 3 H2O = 4 MnO2 + 2 K2SO4 + 6 KOH
LiBr + Co(SO3)2 = SO3 + Co(LiBr) =>
LiBr + Co(SO3)2 = 2 SO3 + Co(LiBr)
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
(O2N2CH2)3 = N2 + H2O + CO =>
(O2N2CH2)3 = 3 N2 + 3 H2O + 3 CO
K2SO3 + K2CrO4 + HCl = K2SO4 + KCl + CrCl3 + H2O =>
3 K2SO3 + 2 K2CrO4 + 10 HCl = 3 K2SO4 + 4 KCl + 2 CrCl3 + 5 H2O
HClO3 + Ba(OH)2 = HCl + BaO2 + OH =>
2 HClO3 + 3 Ba(OH)2 = 2 HCl + 3 BaO2 + 6 OH
MnO2 + CO = Mn2O3 + CO2 =>
2 MnO2 + CO = Mn2O3 + CO2
Cl2 + K2S = KCl + S =>
Cl2 + K2S = 2 KCl + S
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KNO3 + Na3[Co(NO2)6] = K3Co(NO2)6 + NaNO3 =>
3 KNO3 + Na3[Co(NO2)6] = K3Co(NO2)6 + 3 NaNO3
K2Cr2O7 + KI + H2O = Cr(OH)3 + I2 + KOH =>
K2Cr2O7 + 6 KI + 7 H2O = 2 Cr(OH)3 + 3 I2 + 8 KOH
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Équations équilibrées sur10/22/24
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