| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Ar(s) + 5 O2(g) = Ar4O10(s)
CrI3 + Cl3 + NaOH = Na2CrO4 + NaIO4 + NaCl + H2O =>
CrI3 + 9 Cl3 + 32 NaOH = Na2CrO4 + 3 NaIO4 + 27 NaCl + 16 H2O
Zn(CO3)2 = Zn + CO3 =>
Zn(CO3)2 = Zn + 2 CO3
Zu + AgNO3 = Zu(NO3)2 + Ag =>
Zu + 2 AgNO3 = Zu(NO3)2 + 2 Ag
NaHCO3 + CH3COOH = O2 + H2O + NaC2H2O2 =>
4 NaHCO3 + 2 CH3COOH = 3 O2 + 2 H2O + 4 NaC2H2O2
BeC + H2O = CH4 + Be(OH)2 + CO =>
3 BeC + 7 H2O = 2 CH4 + 3 Be(OH)2 + CO
Fe(OH)2 + HBr = FeOHBr + H2O =>
Fe(OH)2 + HBr = FeOHBr + H2O
AgNO3(ac) + NaBr(ac) = AgBr(s) + NaNO3(ac) =>
AgNO3(ac) + NaBr(ac) = AgBr(s) + NaNO3(ac)
ZnCO2 + H2SO4 = ZnSO4 + H2 + CO2 =>
ZnCO2 + H2SO4 = ZnSO4 + H2 + CO2
K2Cr2O7 + Fe + H2SO4 = FeSO4 + CrSO4 + K2SO4 + H2O =>
K2Cr2O7 + 4 Fe + 7 H2SO4 = 4 FeSO4 + 2 CrSO4 + K2SO4 + 7 H2O
K2Cr2O7 + HI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 HI + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 I2 + 7 H2O
Na2VO4 + Zn + HCl = VOCl2 + NaCl + ZnCl2 + H2O =>
Na2VO4 + Zn + 6 HCl = VOCl2 + 2 NaCl + ZnCl2 + 3 H2O
Pb(NO3)2 + FeCI3 = PbCI3 + Fe(NO3)2 =>
Pb(NO3)2 + FeCI3 = PbCI3 + Fe(NO3)2
KMnO4 + KCrO2 + KOH = K2CrO4 + K2MnO4 + H2O =>
3 KMnO4 + KCrO2 + 4 KOH = K2CrO4 + 3 K2MnO4 + 2 H2O
FeCl3 + KSCN = FeSCN{2+} + KCl3{2-} =>
FeCl3 + KSCN = FeSCN{2+} + KCl3{2-}
CaC2 + H2O = Ca(OH0)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH0)2 + C2H2
CO2(g) = CO(g) + O2 =>
2 CO2(g) = 2 CO(g) + O2
Sc + F2 = ScF2 =>
Sc + F2 = ScF2
H + MnO4 = MnO2 + H2O =>
4 H + MnO4 = MnO2 + 2 H2O
(NH3OH)Cl + K2Cr2O7 + HCl = N2 + KCl + CrCl3 + H2O =>
6(NH3OH)Cl + K2Cr2O7 + 2 HCl = 3 N2 + 2 KCl + 2 CrCl3 + 13 H2O
Fe2 + F2 = Fe3F =>
3 Fe2 + F2 = 2 Fe3F
Lead(II)Nitrite + LithiumIodide = Lead(II)Iodide + LithiumNitrite =>
Lead(II)Nitrite + LithiumIodide = Lead(II)Iodide + LithiumNitrite
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaF + Br2 = NaBr2 + F2 =>
2 NaF + 2 Br2 = 2 NaBr2 + F2
Ag2S + HNO3 = AgNO3 + NO + H2SO4 + H2O =>
3 Ag2S + 14 HNO3 = 6 AgNO3 + 8 NO + 3 H2SO4 + 4 H2O
S2 + P4 = P4S3 =>
3 S2 + 2 P4 = 2 P4S3
Mn(CN)2 + Fe(PO4)2 = Fe(CN)2 + Mn(PO4)2 =>
Mn(CN)2 + Fe(PO4)2 = Fe(CN)2 + Mn(PO4)2
C2H2 + I2 = C2I2 + H2 =>
C2H2 + I2 = C2I2 + H2
CH2Cl2 + H2O = CH4Cl2O =>
CH2Cl2 + H2O = CH4Cl2O
C2H4O + KMnO4 = K2CO3 + MnO2 + H2O + CO2 =>
3 C2H4O + 10 KMnO4 = 5 K2CO3 + 10 MnO2 + 6 H2O + CO2
Fe2O3 + H3PO4 = FePO4 + H2O =>
Fe2O3 + 2 H3PO4 = 2 FePO4 + 3 H2O
Ca(NO3)2 + NH4OH = CaO + NH4NO3 + H2O =>
Ca(NO3)2 + 2 NH4OH = CaO + 2 NH4NO3 + H2O
K2SO3 + AlCl3 = KCl + Al2O3 + SO2 =>
3 K2SO3 + 2 AlCl3 = 6 KCl + Al2O3 + 3 SO2
NH4Cl(s) + H2O(l) = (NH4)2O(aq) + HCl =>
2 NH4Cl(s) + H2O(l) = (NH4)2O(aq) + 2 HCl
Fe + Na2O = NaFe + O2 =>
4 Fe + 2 Na2O = 4 NaFe + O2
C5H5N + O2 = CO2 + H2O + NO2 =>
4 C5H5N + 29 O2 = 20 CO2 + 10 H2O + 4 NO2
P + OH = PO4 + H2O =>
P + 8 OH = PO4 + 4 H2O
MnSO4 + KOH + HNO3 = KMnO4 + HNO2 + K2SO4 + H2O =>
2 MnSO4 + 6 KOH + 5 HNO3 = 2 KMnO4 + 5 HNO2 + 2 K2SO4 + 3 H2O
NO2(g) + O2(g) + H2O = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O = 4 HNO3(aq)
Sb + HNO3 = Sb2O + NO + H2O =>
6 Sb + 2 HNO3 = 3 Sb2O + 2 NO + H2O
KMnO4(aq) + HCl(aq) = KCl(aq) + MnCl2(aq) + Cl2(g) + H2O(aq) =>
2 KMnO4(aq) + 16 HCl(aq) = 2 KCl(aq) + 2 MnCl2(aq) + 5 Cl2(g) + 8 H2O(aq)
CH3CH2CH2NO2 + O2 = CO2 + H2O + N2 =>
4 CH3CH2CH2NO2 + 15 O2 = 12 CO2 + 14 H2O + 2 N2
C6H5C2H5 + KMnO4 = C6H5COOK + MnO2 + KOH + H2O =>
7 C6H5C2H5 + 18 KMnO4 = 8 C6H5COOK + 18 MnO2 + 10 KOH + 10 H2O
NO2(g) + O2(g) + H2O = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O = 4 HNO3(aq)
PoO2 + Cl2 = PoCl4 + O2 =>
PoO2 + 2 Cl2 = PoCl4 + O2
H2SO3(aq) + Zn(OH)2(s) = H2O(l) + ZnSO3(aq) =>
H2SO3(aq) + Zn(OH)2(s) = 2 H2O(l) + ZnSO3(aq)
NO2(g) + O2(g) + H2O = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O = 4 HNO3(aq)
SiO2 + CH4 = SiC + CO2 + H2 =>
SiO2 + 2 CH4 = SiC + CO2 + 4 H2
C6H5C2H5 + KMnO4 = C6H5COOH + KOH + MnO2 + CO2 =>
C6H5C2H5 + 4 KMnO4 = C6H5COOH + 4 KOH + 4 MnO2 + CO2
NO2(g) + O2(g) + H2O = HNO3(aq) =>
4 NO2(g) + O2(g) + 2 H2O = 4 HNO3(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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