| Équations équilibrées la veille | Équations équilibrées le lendemain |
CH3CHO + 2 KMnO4 + 3 KOH = CH3COOK + 2 K2MnO4 + 2 H2O
CH3CH2CH2CH2OH + Cr2O7{2-} + H{+} = CH3CH2CH2COH + Cr{3+} + H2O =>
3 CH3CH2CH2CH2OH + Cr2O7{2-} + 8 H{+} = 3 CH3CH2CH2COH + 2 Cr{3+} + 7 H2O
MgCl2 + KOH = Mg(OH)2 + KCl =>
MgCl2 + 2 KOH = Mg(OH)2 + 2 KCl
C6H5CHO + O2 = C6H5COO + H2O =>
4 C6H5CHO + 3 O2 = 4 C6H5COO + 2 H2O
NH2OH*HCl + C6H10O + CH3COONa = C6H11NO + CH3COOH + NaCl + H2O =>
NH2OH*HCl + C6H10O + CH3COONa = C6H11NO + CH3COOH + NaCl + H2O
C4S2 + O2 = SO2 + CO2 =>
C4S2 + 6 O2 = 2 SO2 + 4 CO2
Si + Na = Si3Na =>
3 Si + Na = Si3Na
NH2CONH2(s) + H2O(l) = CO2(g) + NH3(g) =>
NH2CONH2(s) + H2O(l) = CO2(g) + 2 NH3(g)
KMnO4 + HNO3 = HMnO4 + KNO3 =>
KMnO4 + HNO3 = HMnO4 + KNO3
AgCl(aq) + Zn(s) = ZnCl2(aq) + Ag(s) =>
2 AgCl(aq) + Zn(s) = ZnCl2(aq) + 2 Ag(s)
CaSO4 + AlCl3 = CaCl3 + Al3(SO4)3 =>
3 CaSO4 + 3 AlCl3 = 3 CaCl3 + Al3(SO4)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
NH2CH2CONHCH2(CH3)COOH + HCl + H2O = NH2CH2COOH + NH3ClCH2(CH3)COOH =>
NH2CH2CONHCH2(CH3)COOH + HCl + H2O = NH2CH2COOH + NH3ClCH2(CH3)COOH
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
S2O5 + H2O = HSO3 =>
S2O5 + H2O = 2 HSO3
Fe + S = FeS =>
Fe + S = FeS
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
C48H95O33SN + O2 = CO2 + H2O + SO2 + N2 =>
4 C48H95O33SN + 225 O2 = 192 CO2 + 190 H2O + 4 SO2 + 2 N2
KIO3 + HCl = KICl2 + Cl2 + H2O =>
KIO3 + 6 HCl = KICl2 + 2 Cl2 + 3 H2O
MgCl2 + NH4(C2H3O2) = Mg(C2H3O2)2 + (NH4)Cl =>
MgCl2 + 2 NH4(C2H3O2) = Mg(C2H3O2)2 + 2(NH4)Cl
SO3{2-} + I2 + H2O = SO4{2-} + I{-} + H{+} =>
SO3{2-} + I2 + H2O = SO4{2-} + 2 I{-} + 2 H{+}
(NH4)2WO4 = (NH4)10H2W12O42 + H2O + NH3 =>
12(NH4)2WO4 = (NH4)10H2W12O42 + 6 H2O + 14 NH3
C4H9OH + CuO = C4H7OH + H2O + Cu =>
C4H9OH + CuO = C4H7OH + H2O + Cu
KCl + N2 = K3N + Cl2 =>
6 KCl + N2 = 2 K3N + 3 Cl2
HCl2(aq) + As2O3(s) + NaNO3(aq) + H2O(l) = NO(g) + H3AsO4(aq) + NaCl(aq) =>
4 HCl2(aq) + 7 As2O3(s) + 8 NaNO3(aq) + 19 H2O(l) = 8 NO(g) + 14 H3AsO4(aq) + 8 NaCl(aq)
Ca + HNO3 = Ca(NO3)2 + NH4N2O + H2O =>
17 Ca + 40 HNO3 = 17 Ca(NO3)2 + 2 NH4N2O + 16 H2O
HBrO4(aq) + Fe(OH)2(s) = H2O(l) + Fe(BrO4)2 =>
2 HBrO4(aq) + Fe(OH)2(s) = 2 H2O(l) + Fe(BrO4)2
Na2SO4 + LiCl = Li2SO4 + NaCl =>
Na2SO4 + 2 LiCl = Li2SO4 + 2 NaCl
Zn + K2Cr2O7 + KOH = K2CrO4 + H2 + ZnO =>
Zn + K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2 + ZnO
SO2 + Cl2 = SO2Cl2 =>
SO2 + Cl2 = SO2Cl2
NaH(CO3) + HCl = NaCl + H2O + CO2 =>
NaH(CO3) + HCl = NaCl + H2O + CO2
Fe2O3(s) + Zn(s) = Fe(s) + ZnO(s) =>
Fe2O3(s) + 3 Zn(s) = 2 Fe(s) + 3 ZnO(s)
C7H8 + Br2 = C7H8Br2 =>
C7H8 + Br2 = C7H8Br2
KCl + N2 = K3N + Cl2 =>
6 KCl + N2 = 2 K3N + 3 Cl2
Mg(NO3)2 + Na2O2 + H2O = Mg(OH)2 + NaNO3 + O2 =>
2 Mg(NO3)2 + 2 Na2O2 + 2 H2O = 2 Mg(OH)2 + 4 NaNO3 + O2
ZnCl2 + KOH = K2[Zn(OH)4] + KCl =>
ZnCl2 + 4 KOH = K2[Zn(OH)4] + 2 KCl
KNO3 + H2SO4 = KHSO4 + HNO3 =>
KNO3 + H2SO4 = KHSO4 + HNO3
Fe + HF = Fe(F)3 + H2 =>
2 Fe + 6 HF = 2 Fe(F)3 + 3 H2
BaSO4 + H2SO4 = Ba2 + HSO4 =>
2 BaSO4 + 2 H2SO4 = Ba2 + 4 HSO4
CrI3 + Cl2 + K(OH) = K2(CrO4) + K(IO3) + KCl + H2O =>
2 CrI3 + 21 Cl2 + 52 K(OH) = 2 K2(CrO4) + 6 K(IO3) + 42 KCl + 26 H2O
Cu(OH)2 = O2 + Cu2O + H2 =>
4 Cu(OH)2 = 3 O2 + 2 Cu2O + 4 H2
KMnO4 + H2SO4 + Fe(NH4)2(SO4)2 = (NH4)2SO4 + Fe2(SO4)3 + H2O + K2SO4 + MnSO4 =>
2 KMnO4 + 8 H2SO4 + 10 Fe(NH4)2(SO4)2 = 10(NH4)2SO4 + 5 Fe2(SO4)3 + 8 H2O + K2SO4 + 2 MnSO4
Mg(NO3)2 + (NH4)3PO4 = NH4NO3 + Mg3(PO4)2 =>
3 Mg(NO3)2 + 2(NH4)3PO4 = 6 NH4NO3 + Mg3(PO4)2
Cr3O10{2-} + H2O2 + H{+} = CrO5 + H2O =>
Cr3O10{2-} + 6 H2O2 + 2 H{+} = 3 CrO5 + 7 H2O
FeSO4 + HI = FeI2 + SO3 + H2O =>
FeSO4 + 2 HI = FeI2 + SO3 + H2O
H2S + H2O + OH{-} = SO4{2-} + H2 =>
H2S + 2 H2O + 2 OH{-} = SO4{2-} + 4 H2
KNO2 + O2 = KNO3 =>
2 KNO2 + O2 = 2 KNO3
Pb(CH3COO)2 + Ca(ClO)2 = Ca(CH3COO)2 + Cl2 + PbO2 =>
Pb(CH3COO)2 + Ca(ClO)2 = Ca(CH3COO)2 + Cl2 + PbO2
BaCl2 + Na3PO4 = NaCl + Ba + PO4 =>
3 BaCl2 + 2 Na3PO4 = 6 NaCl + 3 Ba + 2 PO4
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Équations équilibrées sur12/25/24
Équations équilibrées sur01/24/24
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