| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Se(s) + O2(g) = 2 SeO
Ca(OH){2} + HBr = CaBr{2} + H(OH) =>
Ca(OH){2} + HBr = CaBr{2} + H(OH)
Zn + Fe1Cl3 = Zn1Cl2 + Fe =>
3 Zn + 2 Fe1Cl3 = 3 Zn1Cl2 + 2 Fe
KClO3 + C6H12O6 + H2SO4 = CO2 + H2O + HCl + KHSO4 =>
4 KClO3 + C6H12O6 + 4 H2SO4 = 6 CO2 + 6 H2O + 4 HCl + 4 KHSO4
H2NCH2COOH + Na2O = H2NCH2COONa + H2O =>
2 H2NCH2COOH + Na2O = 2 H2NCH2COONa + H2O
Fe2O4 = FeO2 =>
Fe2O4 = 2 FeO2
C21H40 + O2 = CO2 + H2O =>
C21H40 + 31 O2 = 21 CO2 + 20 H2O
C6H14 + O2 = CO2(g) + H2O =>
2 C6H14 + 19 O2 = 12 CO2(g) + 14 H2O
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Mn + N2 = MnN5 =>
2 Mn + 5 N2 = 2 MnN5
CaCO3 + H2SO4 = CaSO4CO2 + H2O =>
CaCO3 + H2SO4 = CaSO4CO2 + H2O
Sn + Fe(NO3)3 = Fe(NO3)2 + Sn(NO3)2 =>
Sn + 2 Fe(NO3)3 = 2 Fe(NO3)2 + Sn(NO3)2
HCHO + Cu{2+} + OH{-} = HCOO + Cu2O + H2O =>
2 HCHO + 6 Cu{2+} + 12 OH{-} = 2 HCOO + 3 Cu2O + 7 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
ZnCu + HNO3 = Zn(NO3)2 + Cu(NO3)2 + NO2 + H2O =>
ZnCu + 8 HNO3 = Zn(NO3)2 + Cu(NO3)2 + 4 NO2 + 4 H2O
Cu(NO3)2 + KOH = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH = Cu(OH)2 + 2 KNO3
MgCrO + CoCl = MgCl + CoCrO =>
MgCrO + CoCl = MgCl + CoCrO
Na2S2O3(aq) + Cl2(g) + H2O = NaHSO4(aq) + HCl(aq) =>
Na2S2O3(aq) + 4 Cl2(g) + 5 H2O = 2 NaHSO4(aq) + 8 HCl(aq)
BaS2 + H2SO4 = BaSO4 + SO2 + H2O =>
BaS2 + 6 H2SO4 = BaSO4 + 7 SO2 + 6 H2O
FeSO4*7H2O + K2SO4 = K2Fe(SO4)2 + H2O =>
FeSO4*7H2O + K2SO4 = K2Fe(SO4)2 + 7 H2O
H3CNH2 + O2 = CO2 + H2O + NO =>
4 H3CNH2 + 11 O2 = 4 CO2 + 10 H2O + 4 NO
NH4SCN + FeCl3 = FeSCN + NH4Cl + Cl =>
NH4SCN + FeCl3 = FeSCN + NH4Cl + 2 Cl
(a)CO(g) + O2(g) = CO2(g) =>
2(a)CO(g) + O2(g) = 2 CO2(g)
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
K2Cr2O7 + H2SO4 + C6H6O2 = C6H6O3 + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 3 C6H6O2 = 3 C6H6O3 + Cr2(SO4)3 + 4 H2O + K2SO4
Cu(Sn) + HCl = Cu(Cl) + Sn(H) =>
Cu(Sn) + HCl = Cu(Cl) + Sn(H)
K2MnO4 + HCl = KMnO4 + KCl + MnO2 + H2O =>
3 K2MnO4 + 4 HCl = 2 KMnO4 + 4 KCl + MnO2 + 2 H2O
H2SO4(aq) + Na2NO4(solid) = Na2SO4(solid) + HNO3(aq) + HO(g) =>
H2SO4(aq) + Na2NO4(solid) = Na2SO4(solid) + HNO3(aq) + HO(g)
C10H15N2O7Na3*2H2O + O2 = Na2O + CO2 + NaNO2 + H2O =>
2 C10H15N2O7Na3*2H2O + 25 O2 = Na2O + 20 CO2 + 4 NaNO2 + 19 H2O
CuS + HNO3 = Cu(NO3) + H2SO4 + NO2 + H2O =>
CuS + 8 HNO3 = Cu(NO3) + H2SO4 + 7 NO2 + 3 H2O
Pb(NO3)2(aq) + KOH(aq) = Pb(OH)2 + KNO3 =>
Pb(NO3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 KNO3
Be(OH)2 + NaOH = Na4[Be(OH)6] =>
Be(OH)2 + 4 NaOH = Na4[Be(OH)6]
C6H10 + MnO4{-} + H2O = MnO2 + OH{-} + C6H10(OH)2 =>
3 C6H10 + 2 MnO4{-} + 4 H2O = 2 MnO2 + 2 OH{-} + 3 C6H10(OH)2
CH3COONH4 + NaOH = CH3COOOH + NaNH4 =>
CH3COONH4 + NaOH = CH3COOOH + NaNH4
Mg + H2O + NH4Cl = MgCl2 + H2 + NH4OH =>
Mg + 2 H2O + 2 NH4Cl = MgCl2 + H2 + 2 NH4OH
NO2 + H2O = HNO2 + HO =>
NO2 + H2O = HNO2 + HO
Cu(s) + HSO4(aq) = CuSO4 + H2O + SO2 =>
3 Cu(s) + 4 HSO4(aq) = 3 CuSO4 + 2 H2O + SO2
Na2S + HNO3 = S + NO2 + H2O + NaNO3 =>
Na2S + 4 HNO3 = S + 2 NO2 + 2 H2O + 2 NaNO3
MnO4{-} + C2O4{2-}{-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-}{-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
CuCl2 + K2CrO4 = CuCrO4 + K2Cl2 =>
CuCl2 + K2CrO4 = CuCrO4 + K2Cl2
MnO4{-} + S2O6{2-} + H2O = Mn{2+} + SO4{2-} + H{+} =>
2 MnO4{-} + 5 S2O6{2-} + 2 H2O = 2 Mn{2+} + 10 SO4{2-} + 4 H{+}
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
Na2SO4 + Ca(Cl)2 = NaCl + CaSO4 =>
Na2SO4 + Ca(Cl)2 = 2 NaCl + CaSO4
CH3OOH + NaHCO3 = NaCH3OO + H2O + CO3 =>
2 CH3OOH + 3 NaHCO3 = 3 NaCH3OO + H2O + 2 CO3
[Ag(NH3)2]Cl + KCN = [Ag(NH3)2]K + ClCN =>
[Ag(NH3)2]Cl + KCN = [Ag(NH3)2]K + ClCN
CH3CN + H2O + NaOH = CH3COOH + Na + NH3OH =>
CH3CN + 2 H2O + NaOH = CH3COOH + Na + NH3OH
K2Cr2O7 + NaCl + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 3 Cl2 + 7 H2O
SO3 + NH3*H2O = (NH4)2SO4 + H2O =>
SO3 + 2 NH3*H2O = (NH4)2SO4 + H2O
Sr + NH3 = NSr + H =>
Sr + NH3 = NSr + 3 H
CH2OH + H2SO4 = CO2 + SO2 + H2O =>
2 CH2OH + 5 H2SO4 = 2 CO2 + 5 SO2 + 8 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/23
Équations équilibrées sur12/27/22
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