| Équations équilibrées la veille |
2 W + 2 HNO3 = 2 WNO3 + H2
C3H6O3 + H2O = CO2 + H3O =>
C3H6O3 + 15 H2O = 3 CO2 + 12 H3O
Pb + Bi2(SO4)5 = Pb(SO4)2 + Bi =>
5 Pb + 2 Bi2(SO4)5 = 5 Pb(SO4)2 + 4 Bi
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
C4H5(OH)2 + HCl = C4H5OHCl + H2O =>
C4H5(OH)2 + HCl = C4H5OHCl + H2O
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
C2H4 + H2O = CH3CH2OH =>
C2H4 + H2O = CH3CH2OH
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
H2S(g) + O2(g) = H2O(g) + SO2 =>
2 H2S(g) + 3 O2(g) = 2 H2O(g) + 2 SO2
Cr(OH)3 + HCl = Cr(OH)Cl2 + H2O =>
Cr(OH)3 + 2 HCl = Cr(OH)Cl2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H6O3 + H2O = CO2 + H3O =>
C3H6O3 + 15 H2O = 3 CO2 + 12 H3O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Na + CrO4 = Na2CrO4 =>
2 Na + CrO4 = Na2CrO4
CuSO4 + K3[Fe(CN)6] + H2O = Cu3[Fe(CN)6]2 + H2SO4 + KOH =>
3 CuSO4 + 2 K3[Fe(CN)6] + 6 H2O = Cu3[Fe(CN)6]2 + 3 H2SO4 + 6 KOH
KOH + CO3 = KHCO3 + O =>
KOH + CO3 = KHCO3 + O
H2C2O4(aq) + NaOH(aq) = H2O(l) + Na2C2O4(aq) =>
H2C2O4(aq) + 2 NaOH(aq) = 2 H2O(l) + Na2C2O4(aq)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
HgS + HNO3 + HCl = H2O + HgCl2 + NO + S =>
3 HgS + 2 HNO3 + 6 HCl = 4 H2O + 3 HgCl2 + 2 NO + 3 S
CaS + H2O + CO2 = Ca(HCO3)2 + H2S =>
CaS + 2 H2O + 2 CO2 = Ca(HCO3)2 + H2S
NaOH + CuSO4 + HCl = CuCl2 + H2O + Na2SO4 =>
2 NaOH + CuSO4 + 2 HCl = CuCl2 + 2 H2O + Na2SO4
NaClO + C3H8O = C3H6O + H2O + NaCl =>
NaClO + C3H8O = C3H6O + H2O + NaCl
PbCl2 + Cu(NO3)2 = Pb(NO3)2 + CuCl2 =>
PbCl2 + Cu(NO3)2 = Pb(NO3)2 + CuCl2
Cr2O3 + KOH + O2 = K2CrO4 + H2O =>
2 Cr2O3 + 8 KOH + 3 O2 = 4 K2CrO4 + 4 H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 = Fe2O3 + H2O =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Pb(No3)2 + K2S = PbS + KNo3 =>
Pb(No3)2 + K2S = PbS + 2 KNo3
Mg + ClO4 = Mg(ClO4)2 =>
Mg + 2 ClO4 = Mg(ClO4)2
H4N2 + H2 = NH3 =>
H4N2 + H2 = 2 NH3
H2(SO4) + Bi(OH)3 = Bi2(SO4)3 + H2O =>
3 H2(SO4) + 2 Bi(OH)3 = Bi2(SO4)3 + 6 H2O
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + HCO3{-} = NaHCO3{-} + OH =>
NaOH + HCO3{-} = NaHCO3{-} + OH
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ag3PO4 = Ag + PO4 =>
Ag3PO4 = 3 Ag + PO4
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
O{2-} + e = O{4-} =>
O{2-} + 2e = O{4-}
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Ca + Y = CaY3 =>
Ca + 3 Y = CaY3
SFe + HCl = HS + FeCl =>
SFe + HCl = HS + FeCl
AgNO3 + NaCl = Ag4Cl4 + NaNO3 =>
4 AgNO3 + 4 NaCl = Ag4Cl4 + 4 NaNO3
Sr(s) + AgBr(aq) = Ag(s) + SrBr2(aq) =>
Sr(s) + 2 AgBr(aq) = 2 Ag(s) + SrBr2(aq)
Pb(NO3)2 + Al(NO3)3 = Pb(NO3)3 + Al(NO3)2 =>
Pb(NO3)2 + Al(NO3)3 = Pb(NO3)3 + Al(NO3)2
Ca(HO)2 + H2PO4 = Ca3(PO4)2 + H2O + OH =>
3 Ca(HO)2 + 2 H2PO4 = Ca3(PO4)2 + 4 H2O + 2 OH
CuO + H2 = Cu + H20O =>
CuO + 10 H2 = Cu + H20O
Na + Tc + O = NaTcO4 =>
Na + Tc + 4 O = NaTcO4
Fe(s) + H2O(l) = Fe2O3(s) + H2(g) =>
2 Fe(s) + 3 H2O(l) = Fe2O3(s) + 3 H2(g)
NiCl2 + HCl = NiH + Cl =>
NiCl2 + HCl = NiH + 3 Cl
C6H3CH3 + O2 = H2O + CO2 =>
2 C6H3CH3 + 17 O2 = 6 H2O + 14 CO2
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Équations équilibrées sur10/19/24
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