| Équations équilibrées la veille | Équations équilibrées le lendemain |
C3H4 + 6 O2 = 3 CO2 + 2 H2O3
NaHCO3 + HCH3COO = NaCH3COO + CO2 + H2O =>
NaHCO3 + HCH3COO = NaCH3COO + CO2 + H2O
C3H5(NO3)3(l) = CO2(g) + N2 + H2O + O2 =>
4 C3H5(NO3)3(l) = 12 CO2(g) + 6 N2 + 10 H2O + O2
N2 + HCl = NCl + H =>
N2 + 2 HCl = 2 NCl + 2 H
N2H4 + OH{-} + Fe{3+} = H2O + N2 + Fe{2+} =>
N2H4 + 4 OH{-} + 4 Fe{3+} = 4 H2O + N2 + 4 Fe{2+}
SO3{2-} + MnO4{-]+H{+} = SO4{2-}+Mn{2+}+H2O =>
5 SO3{2-} + 2 MnO4{-]+6H{+} = 5 SO4{2-}+2Mn{2+}+3H2O
CaCl2 + Na3(PO)4 = Ca3((PO)4)2 + NaCl =>
3 CaCl2 + 2 Na3(PO)4 = Ca3((PO)4)2 + 6 NaCl
C2H3NaO2 + KBr = NaBr + C2H3O2K =>
C2H3NaO2 + KBr = NaBr + C2H3O2K
CH3CH2CHO + O2 = CO2 + H2O =>
CH3CH2CHO + 4 O2 = 3 CO2 + 3 H2O
Ca(NO3)2 + CuSO4 = CaSO4 + Cu(NO3)2 =>
Ca(NO3)2 + CuSO4 = CaSO4 + Cu(NO3)2
C2H2 + [Cu2(NH3)2]Cl2 = C2Cu2 + NH3 + HCl =>
C2H2 + [Cu2(NH3)2]Cl2 = C2Cu2 + 2 NH3 + 2 HCl
NH2 + NH4 = NH3 =>
NH2 + NH4 = 2 NH3
NaNO2 + Zn + KOH + H2O = K2[Zn(OH)4] + NaK[Zn(OH)4] + NH3 =>
NaNO2 + 3 Zn + 5 KOH + 5 H2O = 2 K2[Zn(OH)4] + NaK[Zn(OH)4] + NH3
SO2 + OH = HOSO2 =>
SO2 + OH = HOSO2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Ba(NO3)2(aq) + Na2(CrO4)(aq) = BaCrO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2(CrO4)(aq) = BaCrO4(s) + 2 NaNO3(aq)
H2 + Cl2 = HCl4 =>
H2 + 4 Cl2 = 2 HCl4
SFe + O2 = S + FeO =>
2 SFe + O2 = 2 S + 2 FeO
HCl + O = H2O + Cl2 =>
2 HCl + O = H2O + Cl2
SeO2 + KOH = SeOH + KO2 =>
SeO2 + KOH = SeOH + KO2
ZnCrO4Zn(OH)2 + HCl = ZnCrO4Cl + Zn(OH)2H =>
ZnCrO4Zn(OH)2 + HCl = ZnCrO4Cl + Zn(OH)2H
ZnO + CO2 + H2O = (ZnOH)2CO3 =>
2 ZnO + CO2 + H2O = (ZnOH)2CO3
(C14H18N2O5) + H2O = C9H11NO2 + C4H7NO4 + CH3OH =>
(C14H18N2O5) + 2 H2O = C9H11NO2 + C4H7NO4 + CH3OH
C2H4O + [Ag(NH3)2]OH = CH3COOH + NH3 + Ag + H2O =>
C2H4O + 2[Ag(NH3)2]OH = CH3COOH + 4 NH3 + 2 Ag + H2O
K + Ba(C2H3O2)2 = Ba + K(C2H3O2) =>
2 K + Ba(C2H3O2)2 = Ba + 2 K(C2H3O2)
Al + NaOH + Cl2 = NaAlO2 + NaCl + H2O =>
2 Al + 8 NaOH + 3 Cl2 = 2 NaAlO2 + 6 NaCl + 4 H2O
FeSO4 + HNO3 = Fe(NO3)2 + H2O + SO3 =>
FeSO4 + 2 HNO3 = Fe(NO3)2 + H2O + SO3
KO2 + HCl = KCl + O2 + H2O =>
4 KO2 + 4 HCl = 4 KCl + 3 O2 + 2 H2O
BaCl2(ac) + Na2SO4(ac) = BaSO4(s) + NaCl(ac) =>
BaCl2(ac) + Na2SO4(ac) = BaSO4(s) + 2 NaCl(ac)
Tl(ClO3)3 = O2 + TlCl3 =>
2 Tl(ClO3)3 = 9 O2 + 2 TlCl3
P2O5 + NaOH = P2OH + NaO5 =>
P2O5 + NaOH = P2OH + NaO5
SO + H2SiO3 = SSiO3 + H2O =>
SO + H2SiO3 = SSiO3 + H2O
Li2CO3 = CO2 + Li4O2 =>
2 Li2CO3 = 2 CO2 + Li4O2
Na2SO4 + Ca = Na2SO4Ca =>
Na2SO4 + Ca = Na2SO4Ca
N2H4 + H2O + NaCl = NH3 + NaClO =>
N2H4 + H2O + NaCl = 2 NH3 + NaClO
K2CO3 + AlO2 + O2 = KAlO4 + CO2 =>
2 K2CO3 + 4 AlO2 + 3 O2 = 4 KAlO4 + 2 CO2
K2S + O2 = K2S2O3 + K2O =>
2 K2S + 2 O2 = K2S2O3 + K2O
K2Cr2O7 + H2SO4 + Na2C2O4 = K2C204 + Cr2(SO4)3 + Na2SO4 + H2O + CO2 =>
K2Cr2O7 + 415 H2SO4 + 412 Na2C2O4 = K2C204 + Cr2(SO4)3 + 412 Na2SO4 + 415 H2O + 620 CO2
Na2O + H2S = HOH + Na2S =>
Na2O + H2S = HOH + Na2S
C = C44 =>
44 C = C44
Mg(ClO4)2 + K2CO3 = KClO4 + MgCO3 =>
Mg(ClO4)2 + K2CO3 = 2 KClO4 + MgCO3
H2PtCl4 = H2PtCl6 + Pt + H2 =>
3 H2PtCl4 = 2 H2PtCl6 + Pt + H2
(CH3)3CH2OH + KMnO4 = (CH3)3COOK + MnO2 + KOH + H2O =>
3(CH3)3CH2OH + 4 KMnO4 = 3(CH3)3COOK + 4 MnO2 + KOH + 4 H2O
H2SiO3 + Na2CO3 = Na2SiO3 + CO2 + H2O =>
H2SiO3 + Na2CO3 = Na2SiO3 + CO2 + H2O
HCl(aq) + KHCO3(s) = KCCl + H2O3 =>
HCl(aq) + KHCO3(s) = KCCl + H2O3
ZnCO3Zn(OH)2H2O = ZnO + CO2 + H2O =>
ZnCO3Zn(OH)2H2O = 2 ZnO + CO2 + 2 H2O
HClO3(aq) + LiOH(aq) = H2O(l) + LiClO3(aq) =>
HClO3(aq) + LiOH(aq) = H2O(l) + LiClO3(aq)
C2H5OH + C7H6O2 = C9H10O2 + H2O =>
C2H5OH + C7H6O2 = C9H10O2 + H2O
FeO3 + CO = FeO2 + CO2 =>
FeO3 + CO = FeO2 + CO2
K2MnO4 + H2SO4 = MnSO4 + KMnO4 + K2SO4 + H2O =>
5 K2MnO4 + 4 H2SO4 = MnSO4 + 4 KMnO4 + 3 K2SO4 + 4 H2O
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