| Équations équilibrées la veille |
7 MnO2 + 4 Cr = 7 Mn + 2 Cr2O7
Cr(NO3)3 + Na2C2O4 = Cr2(C2O4)3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2C2O4 = Cr2(C2O4)3 + 6 NaNO3
C2H2 + C2H6O = C4H8O =>
C2H2 + C2H6O = C4H8O
F2 + Na2CO3 = NaF + CO2 + OF2 =>
2 F2 + Na2CO3 = 2 NaF + CO2 + OF2
KMnO4 + H2SO4 + Na2C4H4O6 = K2SO4 + MnSO4 + Na2SO4 + H2O + CO2 =>
2 KMnO4 + 4 H2SO4 + Na2C4H4O6 = K2SO4 + 2 MnSO4 + Na2SO4 + 6 H2O + 4 CO2
PbS + HO2 = PbSO4 + H2O =>
3 PbS + 8 HO2 = 3 PbSO4 + 4 H2O
Zn(OH)2 + KOH = K2[Zn(OH)4] =>
Zn(OH)2 + 2 KOH = K2[Zn(OH)4]
H3N + Ba(OH)2 = HOH + Ba3N2 =>
2 H3N + 3 Ba(OH)2 = 6 HOH + Ba3N2
CrCl3 + H2O2 + NaOH = NaCl + H2O + Na2CrO4 =>
2 CrCl3 + 3 H2O2 + 10 NaOH = 6 NaCl + 8 H2O + 2 Na2CrO4
HC3H5O2 + NaOH = C3H5NaO2 + H2O =>
HC3H5O2 + NaOH = C3H5NaO2 + H2O
Mg(OH)2 + HCIO4 = Mg(CIO4)2 + H2O =>
Mg(OH)2 + 2 HCIO4 = Mg(CIO4)2 + 2 H2O
NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + CO2(g) + H2O(l) =>
2 NaHCO3(s) + H2SO4(aq) = Na2SO4(aq) + 2 CO2(g) + 2 H2O(l)
B2H6 + LiH = Li(BH4) =>
B2H6 + 2 LiH = 2 Li(BH4)
Ba(OH)2 + ZnCl = Zn(OH)2 + BaCl =>
Ba(OH)2 + ZnCl = Zn(OH)2 + BaCl
H2SO4 = HSO3(OH) =>
H2SO4 = HSO3(OH)
FeCl3 + NaNO3 = Fe(NO3)3 + NaCl =>
FeCl3 + 3 NaNO3 = Fe(NO3)3 + 3 NaCl
NaClO + Na2S2O3 = NaCl + NaSO4 =>
5 NaClO + Na2S2O3 = 5 NaCl + 2 NaSO4
KMnO4 + H2C2O4 + H2(SO)4 = K(SO)4 + Mn(SO)4 + CO2 + H2O =>
KMnO4 + 2 H2C2O4 + 2 H2(SO)4 = K(SO)4 + Mn(SO)4 + 4 CO2 + 4 H2O
H2S2O7 + H2O = H2SO4 =>
H2S2O7 + H2O = 2 H2SO4
H4P2O7 + KOH = KPO3 + H2O =>
H4P2O7 + 2 KOH = 2 KPO3 + 3 H2O
As2S5 + NHO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S5 + 40 NHO3 + 4 H2O = 15 H2SO4 + 6 H3AsO4 + 40 NO
CuSO4 + NaHSO3 + H2O + NaCN = CuCN + NaHSO4 =>
2 CuSO4 + NaHSO3 + H2O + 2 NaCN = 2 CuCN + 3 NaHSO4
(NH4)2CO3 + CaCO3 = CO3 + (NH4)Ca =>
(NH4)2CO3 + 2 CaCO3 = 3 CO3 + 2(NH4)Ca
C6H5CHCH2 + O2 = CO2 + H2O =>
C6H5CHCH2 + 10 O2 = 8 CO2 + 4 H2O
O2 + Se = SeO2 =>
O2 + Se = SeO2
Ca(OH)2 + (NH4)2(SO4) = Ca(SO4) + NH3 + H2O =>
Ca(OH)2 + (NH4)2(SO4) = Ca(SO4) + 2 NH3 + 2 H2O
NaH2PO4 + BeCl2 = NaCl + Be(H2PO4)2 =>
2 NaH2PO4 + BeCl2 = 2 NaCl + Be(H2PO4)2
CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + H2O =>
2 CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + 2 H2O
C6H14O + O2 = CO + H2O =>
C6H14O + 6 O2 = 6 CO + 7 H2O
Fe + H2SO4 + KMnO4 = Fe2O3 + H2O + K2SO4 + MnSO4 =>
10 Fe + 9 H2SO4 + 6 KMnO4 = 5 Fe2O3 + 9 H2O + 3 K2SO4 + 6 MnSO4
S3Cl5 = S + Cl2 =>
2 S3Cl5 = 6 S + 5 Cl2
K2FeO4 + H2O2 + KOH = K3[Fe(OH)6] + O2 =>
2 K2FeO4 + 5 H2O2 + 2 KOH = 2 K3[Fe(OH)6] + 4 O2
Na2SO4 + AlPO4 = Na3PO4 + Al2(SO4)3 =>
3 Na2SO4 + 2 AlPO4 = 2 Na3PO4 + Al2(SO4)3
[]HI + []H2SO4 = []H2S + []H2O + []I2 =>
8[]HI + []H2SO4 = []H2S + 4[]H2O + 4[]I2
CaCO3 + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
FeO + H2SO4 + H2O = FeSO4*7H2O =>
FeO + H2SO4 + 6 H2O = FeSO4*7H2O
CH4 + OF2 = CF4 + H2O =>
CH4 + 2 OF2 = CF4 + 2 H2O
K4[Fe(CN)6] + NH4NO3 = NH4[Fe(CN)6] + K4NO3 =>
K4[Fe(CN)6] + NH4NO3 = NH4[Fe(CN)6] + K4NO3
Hg(NO3)2 + AgNO3 = HgNO3 + Ag(NO3)2 =>
Hg(NO3)2 + AgNO3 = HgNO3 + Ag(NO3)2
CrO4{-2} + Cl{-} + H{+} = Cr{3+} + ClO2{-} + H2O =>
4 CrO4{-2} + 3 Cl{-} + 20 H{+} = 4 Cr{3+} + 3 ClO2{-} + 10 H2O
C2H3OCl + O2 = CO2 + H2O + HCl =>
C2H3OCl + 2 O2 = 2 CO2 + H2O + HCl
Na2Co3 + C2H4O2 = C2H3O2Na + H2Co3 =>
Na2Co3 + 2 C2H4O2 = 2 C2H3O2Na + H2Co3
H2O + CaC2 = C2H2 + CaO2H2 =>
2 H2O + CaC2 = C2H2 + CaO2H2
BaF2 = Ba + F =>
BaF2 = Ba + 2 F
BaCl2(s) + NaIO3(s) = Ba(IO3)2(s) + NaCl(s) =>
BaCl2(s) + 2 NaIO3(s) = Ba(IO3)2(s) + 2 NaCl(s)
CO2 + S8 = CS2 + SO2 =>
8 CO2 + 3 S8 = 8 CS2 + 8 SO2
Na3CrO4 + H2SO4 = Na3Cr(SO4)4 + H2O =>
Na3CrO4 + 4 H2SO4 = Na3Cr(SO4)4 + 4 H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
As2S3 + NO3{-} + H2O = As2O4{3-} + S + NO + H{+} =>
3 As2S3 + 5 NO3{-} + 2 H2O = 3 As2O4{3-} + 9 S + 5 NO + 4 H{+}
Ca3MgSi2O8 + MgO + SiO2 = CaMgSi2O6 =>
Ca3MgSi2O8 + 2 MgO + 4 SiO2 = 3 CaMgSi2O6
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Équations équilibrées sur12/13/24
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