| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 NO + 9 H2SO4 + 6 K(MnO4) = 10 HNO3 + 3 K2SO4 + 6 MnSO4 + 4 H2O
K + S = K2S =>
2 K + S = K2S
NH2CH2COOCH3 + KOH = NH2CH2COOK + CH3OH =>
NH2CH2COOCH3 + KOH = NH2CH2COOK + CH3OH
K3[Fe(CN)6] + FeSO4 + AgNO3 = Fe3[Fe(CN)6]2 + KNO3 + Ag2SO4 =>
2 K3[Fe(CN)6] + 3 FeSO4 + 6 AgNO3 = Fe3[Fe(CN)6]2 + 6 KNO3 + 3 Ag2SO4
CH3COOH = H2O + CO2 + CH3 =>
7 CH3COOH = 2 H2O + 6 CO2 + 8 CH3
AgI + CH3COOH = CH3COOAg + HI =>
AgI + CH3COOH = CH3COOAg + HI
NOCl = NO + Cl2 =>
2 NOCl = 2 NO + Cl2
SnS + K2S + O2 + H2O = K2SnS3 + K2SnS(OH)6 =>
4 SnS + 4 K2S + 3 O2 + 6 H2O = 2 K2SnS3 + 2 K2SnS(OH)6
Mn{2+} + H2O = MnO4{-} + H{2+} + {-} =>
Mn{2+} + 4 H2O = MnO4{-} + 8 H{2+} + 13e
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Zn(CH3COO)2(H2O)2 + NaOH = CH3COONa + ZnO + H2O =>
Zn(CH3COO)2(H2O)2 + 2 NaOH = 2 CH3COONa + ZnO + 3 H2O
N2O4 = N2 + O2 =>
N2O4 = N2 + 2 O2
Ba3N2 + H2O = NH3 + Ba(OH)2 =>
Ba3N2 + 6 H2O = 2 NH3 + 3 Ba(OH)2
Co(NO3)2 + Na3(PO4) = Co3(PO4)2 + Na(NO3) =>
3 Co(NO3)2 + 2 Na3(PO4) = Co3(PO4)2 + 6 Na(NO3)
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Ca2 + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca2 + 4 H3PO4 = 2 Ca3(PO4)2 + 6 H2
KMnO4 + KNO2 + H2SO4 = MnSO4 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 5 KNO2 + 3 H2SO4 = 2 MnSO4 + 3 H2O + 5 KNO3 + K2SO4
HCLO4(aq)KOH(aq) = KCLO4(aq)H2O(l) =>
HCLO4(aq)KOH(aq) = KCLO4(aq)H2O(l)
CoSO4 + NH4SCN = CoSCN + SO4 + NH4 =>
CoSO4 + NH4SCN = CoSCN + SO4 + NH4
NaCl + HNO3 = HClO4 + NO2 + NaNO3 + H2O =>
NaCl + 9 HNO3 = HClO4 + 8 NO2 + NaNO3 + 4 H2O
C6H5NH2 + Br2 = C6NH2BrH4 + HBr =>
C6H5NH2 + Br2 = C6NH2BrH4 + HBr
(CH3)2(CH2)4 + O2 = CO2 + H2O =>
2(CH3)2(CH2)4 + 19 O2 = 12 CO2 + 14 H2O
Rb + RbNO = Rb2O + N2 =>
2 Rb + 2 RbNO = 2 Rb2O + N2
Ni(OH)2 = Ni2 + O2 + H2O =>
2 Ni(OH)2 = Ni2 + O2 + 2 H2O
KMnO4 + HCl + NaSO3 = MnCl2 + KCl + NaSO4 + H2O =>
2 KMnO4 + 6 HCl + 5 NaSO3 = 2 MnCl2 + 2 KCl + 5 NaSO4 + 3 H2O
KIO3 + HI + HCl = H2O + I2 + KCl =>
KIO3 + 5 HI + HCl = 3 H2O + 3 I2 + KCl
Zn2 + NH3(aq) = Zn(NH3)42 =>
Zn2 + 84 NH3(aq) = 2 Zn(NH3)42
K2Cr2O7 + C2H4O + H2SO4 = Cr2(SO4)3 + C2H4O2 + K2SO4 + H2O =>
K2Cr2O7 + 3 C2H4O + 4 H2SO4 = Cr2(SO4)3 + 3 C2H4O2 + K2SO4 + 4 H2O
MnO2 + H2SO4 + H2C2O4 = CO2 + MnSO4 + H2O =>
MnO2 + H2SO4 + H2C2O4 = 2 CO2 + MnSO4 + 2 H2O
H2CO3 + Si(OH)4 = Si2(CO3)4 + H2O =>
4 H2CO3 + 2 Si(OH)4 = Si2(CO3)4 + 8 H2O
PbO(s) = Pb + O2 =>
2 PbO(s) = 2 Pb + O2
VO(OH)2 + KOH = K2V4O9 + H2O =>
4 VO(OH)2 + 2 KOH = K2V4O9 + 5 H2O
As2S5 + NHO3 + H2O = H2SO4 + NO + H3AsO4 =>
3 As2S5 + 40 NHO3 + 4 H2O = 15 H2SO4 + 40 NO + 6 H3AsO4
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl3 + Cr2(SO4)3 + K2SO4 + H2O =>
9 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 6 SnCl3 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
Zn(OH)2 + HBr = ZnBr2 + H2O =>
Zn(OH)2 + 2 HBr = ZnBr2 + 2 H2O
LiSO4 = Li + SO4 =>
LiSO4 = Li + SO4
Na2S + Zn(ClO3)2 = ZnS + NaClO3 =>
Na2S + Zn(ClO3)2 = ZnS + 2 NaClO3
CO2 + H2O = C18H32O16 + O2 =>
18 CO2 + 16 H2O = C18H32O16 + 18 O2
(Na2S2O3)5H2O = S8 + Na2SO3 + H2O =>
8(Na2S2O3)5H2O = 5 S8 + 40 Na2SO3 + 8 H2O
Mg(s) + NaNO3 = MgNO3 + Na(s) =>
Mg(s) + NaNO3 = MgNO3 + Na(s)
CrCl3 + HClO3 + H2O = H2Cr2O7 + HCl =>
2 CrCl3 + HClO3 + 4 H2O = H2Cr2O7 + 7 HCl
Pb(NO3)2 + Na2CO3 = PbCO3 + Na2(NO3)2 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + Na2(NO3)2
H2O2 + C4H6O6 = CO2 + H2O =>
5 H2O2 + C4H6O6 = 4 CO2 + 8 H2O
C6H5NO2 + Zn + H{+} = C6H5NH3 + Zn2{+} + H2O =>
C6H5NO2 + 14 Zn + 7 H{+} = C6H5NH3 + 7 Zn2{+} + 2 H2O
S + KOH = KOS3 + K2S + H2O =>
7 S + 4 KOH = 2 KOS3 + K2S + 2 H2O
K2O + HBr = BrK2HO =>
K2O + HBr = BrK2HO
RbOH + Ba(ClO)2 = Ba(OH)2 + Rb(ClO) =>
2 RbOH + Ba(ClO)2 = Ba(OH)2 + 2 Rb(ClO)
(CH3O)C6H3(CH2Cl)(OCH3) + Cu(NO3)2 = (CH3O)C6H3(CHO)(OCH3) + CuCl2 + NO2 + H2 =>
2(CH3O)C6H3(CH2Cl)(OCH3) + Cu(NO3)2 = 2(CH3O)C6H3(CHO)(OCH3) + CuCl2 + 2 NO2 + H2
H2SO4(aq) + CaCO3(aq) = H2CO3 + CaSO4 =>
H2SO4(aq) + CaCO3(aq) = H2CO3 + CaSO4
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Équations équilibrées sur12/14/24
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