| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 NO2(g) + H2O(g) = 2 HNO3(aq) + NO(g)
Sr{2+} + CO3{2-} = SrCO3 =>
Sr{2+} + CO3{2-} = SrCO3
KOH(aq) + BaCrO4(aq) = K2CrO4() + Ba(OH)2() =>
2 KOH(aq) + BaCrO4(aq) = K2CrO4() + Ba(OH)2()
K + SrCl2 = KCl + Sr =>
2 K + SrCl2 = 2 KCl + Sr
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
NO2(g) + H2O(g) = HNO3(l) + NO(g) =>
3 NO2(g) + H2O(g) = 2 HNO3(l) + NO(g)
KMnO4 + C6H8O7 = CO2 + H2O + K2CO3 + MnO2 =>
6 KMnO4 + C6H8O7 = 3 CO2 + 4 H2O + 3 K2CO3 + 6 MnO2
NO2(g) + H2O(g) = HNO3(aq) + HNO2(aq) =>
2 NO2(g) + H2O(g) = HNO3(aq) + HNO2(aq)
CH3COOH + ZnCO3 = H2O + CO2 + Zn(CH3COO)2 =>
2 CH3COOH + ZnCO3 = H2O + CO2 + Zn(CH3COO)2
C2H5OH + Na2CO3 = H2O + NaHCO4 + C2H5 =>
21 C2H5OH + 2 Na2CO3 = 11 H2O + 4 NaHCO4 + 20 C2H5
SrF2 + Cl = SrCl2 + F =>
SrF2 + 2 Cl = SrCl2 + 2 F
SO2 + KOH = H2O + K2SO3 =>
SO2 + 2 KOH = H2O + K2SO3
Na{+} + Br2{-} = NaBr2 =>
Na{+} + Br2{-} = NaBr2
Zu + S = ZuS =>
Zu + S = ZuS
SO2 + KOH = H2O + K2SO3 =>
SO2 + 2 KOH = H2O + K2SO3
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
CuCl2(electricity) = Cu + Cl =>
CuCl2(electricity) = Cu + 2 Cl
KHC4H4O6 + Na2CO3 = NaKC4H4O6 + CO2 + H2O =>
2 KHC4H4O6 + Na2CO3 = 2 NaKC4H4O6 + CO2 + H2O
phenol + KMnO4 + H2SO4 = Quinone + MnSO4 + K2SO4 + H2O =>
5 C6H5OH + 4 KMnO4 + 6 H2SO4 = 5 C6H4O2 + 4 MnSO4 + 2 K2SO4 + 11 H2O
P2O4 = P2 + O4 =>
P2O4 = P2 + O4
KPO4 + NiBr2 = Ni(PO4)2 + KBr =>
2 KPO4 + NiBr2 = Ni(PO4)2 + 2 KBr
CeO2 = Ce + O2 =>
CeO2 = Ce + O2
KOH + HBr = K + Br + H2O =>
KOH + HBr = K + Br + H2O
K2SO4 + BaO = BaSO4 + K2O =>
K2SO4 + BaO = BaSO4 + K2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Fe + NHO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 NHO3 = Fe(NO3)3 + NO + 2 H2O
Fe + NHO3 = Fe(NO3)3 + NH4NO3 + H2O =>
8 Fe + 30 NHO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
Dy2O3 + HNO3 = Dy(NO3)3 + H2O =>
Dy2O3 + 6 HNO3 = 2 Dy(NO3)3 + 3 H2O
CH3CH3CH2COOK + KOH = CH3CH3 + K2CO3 =>
2 CH3CH3CH2COOK + 2 KOH = 3 CH3CH3 + 2 K2CO3
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
Ga2O3 = Ga + O2 =>
2 Ga2O3 = 4 Ga + 3 O2
Fe + NHO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 NHO3 = 2 Fe(NO3)3 + 3 H2
FeCN + NaCN = FeNa(CN)2 =>
FeCN + NaCN = FeNa(CN)2
H3PO4 + K2HPO4 = KH2PO4 =>
H3PO4 + K2HPO4 = 2 KH2PO4
C2H5OH + Ca = C2H5OCa + H2 =>
2 C2H5OH + 2 Ca = 2 C2H5OCa + H2
NaCl(aq) + HNO3(aq) + AgNO3(aq) = Na(NO3)2(aq) + H(aq) + AgCl(s) =>
NaCl(aq) + HNO3(aq) + AgNO3(aq) = Na(NO3)2(aq) + H(aq) + AgCl(s)
Fe + NHO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 NHO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Cu2O + Cl2 = CuCl2 + O2 =>
2 Cu2O + 4 Cl2 = 4 CuCl2 + O2
C6H5OH + H2O = CH4 + CO2 =>
2 C6H5OH + 8 H2O = 7 CH4 + 5 CO2
NiCl2 + H2S = NiS + HCl =>
NiCl2 + H2S = NiS + 2 HCl
Cu{2} + S{2-} = CuS =>
Cu{2} + S{2-} = CuS
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
LiClO2 + H2SO4 + NaI = LiCl + Na2SO4 + I2 + H2O =>
LiClO2 + 2 H2SO4 + 4 NaI = LiCl + 2 Na2SO4 + 2 I2 + 2 H2O
KCl(aq) + O2(g) = KClO3(aq) =>
2 KCl(aq) + 3 O2(g) = 2 KClO3(aq)
Cu + CO2 = CuOCO =>
Cu + CO2 = CuOCO
AgNO3 + BaOH2 = AgOH2 + BaNO3 =>
AgNO3 + BaOH2 = AgOH2 + BaNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + NHO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 NHO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
N2O + O2 = NO =>
2 N2O + O2 = 4 NO
Na + O = NaO =>
Na + O = NaO
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Équations équilibrées sur10/19/24
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