| Équations équilibrées la veille | Équations équilibrées le lendemain |
HNO3NaCO3 = NaNO3HCO3
MnO4{-} + C6H5OH + H{+} = Mn{2+} + CO2 + H2O =>
28 MnO4{-} + 5 C6H5OH + 84 H{+} = 28 Mn{2+} + 30 CO2 + 57 H2O
Ca(NO3)2 + Na2SO4 = Ca2(SO4)2 + NaNO3 =>
2 Ca(NO3)2 + 2 Na2SO4 = Ca2(SO4)2 + 4 NaNO3
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
Cl2 + PbCl2 = PbCl6 =>
2 Cl2 + PbCl2 = PbCl6
Li + MnO2 = LiMnO2 =>
Li + MnO2 = LiMnO2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
[(OH)3IO3]{-2} + H3O{+} = IO4{-} + H2O =>
[(OH)3IO3]{-2} + H3O{+} = IO4{-} + 3 H2O
CrBr2 + K2S = KBr + CrS =>
CrBr2 + K2S = 2 KBr + CrS
AlBr3 + NH4OH = Al(OH)3 + NH4Br =>
AlBr3 + 3 NH4OH = Al(OH)3 + 3 NH4Br
NaHS + O2 = S + NaOH =>
2 NaHS + O2 = 2 S + 2 NaOH
NH3 + O2 = H2O + N2 =>
4 NH3 + 3 O2 = 6 H2O + 2 N2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Zn(OH)4 + HCl = Zn + H2OCl =>
Zn(OH)4 + 4 HCl = Zn + 4 H2OCl
HCl + O3 = H2O + Cl2 =>
6 HCl + O3 = 3 H2O + 3 Cl2
Zn*S = ZnS =>
Zn*S = ZnS
NH3 = N + H =>
NH3 = N + 3 H
CH3CH2OH + CaCr2O7 + HCl = CaCl2 + CrCl3 + CH3COOH + H2O =>
3 CH3CH2OH + 2 CaCr2O7 + 16 HCl = 2 CaCl2 + 4 CrCl3 + 3 CH3COOH + 11 H2O
MnO4 + H2S = Mn + S + H2O =>
MnO4 + 4 H2S = Mn + 4 S + 4 H2O
Al(HSO4)3 = Al2O3 + H2O + SO2 + O2 =>
2 Al(HSO4)3 = Al2O3 + 3 H2O + 6 SO2 + 3 O2
NaCl(aq) + PbO(aq) = Na2O(aq) + PbCl2(s) =>
2 NaCl(aq) + PbO(aq) = Na2O(aq) + PbCl2(s)
K2S(aq) + HNO3 = KNO3(s) + H2S =>
K2S(aq) + 2 HNO3 = 2 KNO3(s) + H2S
Mg + Co = MgCo3 =>
Mg + 3 Co = MgCo3
FeCl3 + NH3 = Fe(NH3)3 + Cl2 =>
2 FeCl3 + 6 NH3 = 2 Fe(NH3)3 + 3 Cl2
H2CO3 + Sr(OH)2 = Sr2CO3 + H(OH)2 =>
H2CO3 + 2 Sr(OH)2 = Sr2CO3 + 2 H(OH)2
KH + H2O = KOH + H2 =>
KH + H2O = KOH + H2
PbI2 + KI = PbI3 + K =>
PbI2 + KI = PbI3 + K
S9 + O2 = SO2 =>
S9 + 9 O2 = 9 SO2
SO3 = S8 + O2 =>
8 SO3 = S8 + 12 O2
NH4OH + O2 = NO2 + H2O =>
4 NH4OH + 7 O2 = 4 NO2 + 10 H2O
CaCO3 + H3O = CaHCO3 + H2O =>
CaCO3 + H3O = CaHCO3 + H2O
NaI + HNO3 = NaH + I(NO3) =>
NaI + HNO3 = NaH + I(NO3)
CH4 + I2 = CH3 + HI =>
2 CH4 + I2 = 2 CH3 + 2 HI
CaI + H2O = H2 + I2 + Ca(OH)2 =>
2 CaI + 4 H2O = 2 H2 + I2 + 2 Ca(OH)2
Co + KSCN = CoSCN + K =>
Co + KSCN = CoSCN + K
CaCl2 + HNo3 = Ca(No3)2 + HCl =>
CaCl2 + 2 HNo3 = Ca(No3)2 + 2 HCl
SiO + H2O = SiO2 + H2 =>
SiO + H2O = SiO2 + H2
FeBr3 + O2 = Fe2O3 + Br2 =>
4 FeBr3 + 3 O2 = 2 Fe2O3 + 6 Br2
Mn + N = MnN =>
Mn + N = MnN
BaCl2 + NaSO3 = Ba(SO3)2 + NaCl =>
BaCl2 + 2 NaSO3 = Ba(SO3)2 + 2 NaCl
CH3COH + KMnO4 + KOH = CH3COOK + Mn(K2MnO4) + H2O =>
4 CH3COH + 2 KMnO4 + 4 KOH = 4 CH3COOK + Mn(K2MnO4) + 4 H2O
NiSO4 + HCl = NiCl2 + H2O + SO3 =>
NiSO4 + 2 HCl = NiCl2 + H2O + SO3
H2O + CrSCN = NO + CO2 + SO4 + Cr2O7 + H =>
21 H2O + 2 CrSCN = 2 NO + 2 CO2 + 2 SO4 + Cr2O7 + 42 H
Fe3O4 = Fe + O =>
Fe3O4 = 3 Fe + 4 O
As2S3 + HNO3 = H3AsO4 + H2SO4 + NO + NO2 =>
As2S3 + 12 HNO3 = 2 H3AsO4 + 3 H2SO4 + 8 NO + 4 NO2
Ag = Ag37 =>
37 Ag = Ag37
CuNO3 = CuO + NO2 =>
CuNO3 = CuO + NO2
FeCl2*4H2O + K4Fe(CN)6*3H2O = Fe4(Fe(CN)6)2 + KCl + H2O =>
4 FeCl2*4H2O + 2 K4Fe(CN)6*3H2O = Fe4(Fe(CN)6)2 + 8 KCl + 22 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
As + H2O = H2AsO4 + AsH3 =>
3 As + 4 H2O = H2AsO4 + 2 AsH3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/27/24
Équations équilibrées sur12/27/23
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