| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 4 H2SO4 + 3 CH3OH = Cr2(SO4)3 + 3 HCHO + K2SO4 + 7 H2O
BrO3{-} + SO3{2-} + H2O = Br2 + SO4{2-} + OH{-} =>
2 BrO3{-} + 5 SO3{2-} + H2O = Br2 + 5 SO4{2-} + 2 OH{-}
Ca(OH)2 + Na2CO3 = CaCO3 + NaOH =>
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
MgSO4 + FeCl3 = Fe2(SO4)3 + MgCl2 =>
3 MgSO4 + 2 FeCl3 = Fe2(SO4)3 + 3 MgCl2
Cr2O7{-2} + H{+} + CH3OH = Cr{+3} + CO2 + H2O =>
Cr2O7{-2} + 8 H{+} + CH3OH = 2 Cr{+3} + CO2 + 6 H2O
HgO + NH3 + H2O = [Hg2N]OH(H2O)2 =>
2 HgO + NH3 + H2O = [Hg2N]OH(H2O)2
Zn3N2 = Zn + N =>
Zn3N2 = 3 Zn + 2 N
C15H32 + UF6 = UF4 + HF + CF4 =>
C15H32 + 46 UF6 = 46 UF4 + 32 HF + 15 CF4
C4H8O2(aq) + Mg(s) = Mg(C4H7O2)2(aq) + H2(g) =>
2 C4H8O2(aq) + Mg(s) = Mg(C4H7O2)2(aq) + H2(g)
NaOH + Si = H2 + Na4SiO4 =>
4 NaOH + Si = 2 H2 + Na4SiO4
HCl + KHCO3 = H2O + CO2 + ClK =>
HCl + KHCO3 = H2O + CO2 + ClK
NaSO3 + HNO3 = NaH + SO3NO3 =>
NaSO3 + HNO3 = NaH + SO3NO3
PbO + SO2 = PbSO3 =>
PbO + SO2 = PbSO3
Na2(S2O3) + K(MnO4) = Na(MnO4) + K2(S2O3) =>
Na2(S2O3) + 2 K(MnO4) = 2 Na(MnO4) + K2(S2O3)
Na2S + CH3COOH = H2S + NaCH3COO =>
Na2S + 2 CH3COOH = H2S + 2 NaCH3COO
C2H6O(ac) + O2(ac) = CO2(g) + H2O(l) =>
C2H6O(ac) + 3 O2(ac) = 2 CO2(g) + 3 H2O(l)
MnBr5 + AgNO3 = Mn(NO3)5 + AgBr =>
MnBr5 + 5 AgNO3 = Mn(NO3)5 + 5 AgBr
Cr2O3 + H2O + O2 = CrO2(OH)2 =>
2 Cr2O3 + 4 H2O + 3 O2 = 4 CrO2(OH)2
KMnO4 + H2SO4 + Na2C2O4 = CO2 + H2O + K2SO4 + Na2SO4 + MnO2 =>
2 KMnO4 + 4 H2SO4 + 3 Na2C2O4 = 6 CO2 + 4 H2O + K2SO4 + 3 Na2SO4 + 2 MnO2
H + O = HO =>
H + O = HO
CO18 = CO2 + O2 =>
CO18 = CO2 + 8 O2
(OH)2Ca + MgSO4 = Mg(OH)2 + Ca(SO4) =>
(OH)2Ca + MgSO4 = Mg(OH)2 + Ca(SO4)
Be + O = BeO =>
Be + O = BeO
NaOH + H2SO4 = NaH2 + SO4OH =>
NaOH + H2SO4 = NaH2 + SO4OH
NaOH + H2SO4 = NaH + OH2SO4 =>
NaOH + H2SO4 = NaH + OH2SO4
HCl + Mg = HClMg =>
HCl + Mg = HClMg
N2O5 + Cu(OH)2 = N(OH)5 + CuO =>
N2O5 + 5 Cu(OH)2 = 2 N(OH)5 + 5 CuO
Na2CO3(aq) + KI(aq) = Na2I + KCO3 =>
Na2CO3(aq) + KI(aq) = Na2I + KCO3
H2SO3 + Zn + HCl = Cl2Zn(SO3)2 + S + H2O =>
7 H2SO3 + 2 Zn + 4 HCl = 2 Cl2Zn(SO3)2 + 3 S + 9 H2O
Pb(II)NO3 + KI = Pb(II)I + KNO3 =>
Pb(II)NO3 + KI = Pb(II)I + KNO3
P + Bi = PBi3 =>
P + 3 Bi = PBi3
Al2S3 + Na(OH) = Al(OH)3 + Na2S =>
Al2S3 + 6 Na(OH) = 2 Al(OH)3 + 3 Na2S
P2O5 + SO3 = P2SO8 =>
P2O5 + SO3 = P2SO8
SiO32 + H2O = SiO2 + OH =>
SiO32 + 30 H2O = SiO2 + 60 OH
K2Cr2O7 + KI + H2SO4 = Cr2SO4 + H2O + I2 + K2SO4 =>
K2Cr2O7 + 10 KI + 7 H2SO4 = Cr2SO4 + 7 H2O + 5 I2 + 6 K2SO4
Hg{+} + Co{3+} = Hg{+2} + Co{2+} =>
Hg{+} + Co{3+} = Hg{+2} + Co{2+}
HBr + S = Br2S + H2 =>
2 HBr + S = Br2S + H2
Ca + S8 + O2 = CaSO4 =>
8 Ca + S8 + 16 O2 = 8 CaSO4
(Cu)(OH)2 = CuO + H2O =>
(Cu)(OH)2 = CuO + H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Cl2O7(aq) + Mg(OH)2(s) = Mg(ClO4)2(s) + H2O(l) =>
Cl2O7(aq) + Mg(OH)2(s) = Mg(ClO4)2(s) + H2O(l)
C2H5NO2 + O2 = H2O + NH3 + CO2 =>
2 C2H5NO2 + 3 O2 = 2 H2O + 2 NH3 + 4 CO2
As2O5 + NaOH = Na2O + H3AsO4 =>
As2O5 + 6 NaOH = 3 Na2O + 2 H3AsO4
KOH + KNO3 = K2O + HNO3 =>
KOH + KNO3 = K2O + HNO3
B + I = BI3 =>
B + 3 I = BI3
Cr2O72{-} + Sn2{+} + H = Sn4{+} + Cr3{+} + H2O =>
3 Cr2O72{-} + 10 Sn2{+} + 432 H = 5 Sn4{+} + 2 Cr3{+} + 216 H2O
SrCO3 + H2SO4 = H2O + CO2 + SrSO4 =>
SrCO3 + H2SO4 = H2O + CO2 + SrSO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu(NO3)3 + NaOH = CuOH + (NO3)2 + Na =>
2 Cu(NO3)3 + 2 NaOH = 2 CuOH + 3(NO3)2 + 2 Na
Cs3N = Cs + N2 =>
2 Cs3N = 6 Cs + N2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/19/24
Équations équilibrées sur01/18/24
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