| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 KNO2 + 4 KI + (H2SO4)4 = 2 I2 + 4 NO + 4 K2SO4 + 4 H2O
C6N6FeK4 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + NO2 + H2O =>
2 C6N6FeK4 + 55 PbO2 + 124 HCl = 8 KCl + 2 FeCl3 + 55 PbCl2 + 12 CO2 + 12 NO2 + 62 H2O
Ba(NO3)2 + Cu(SO4) = BaSO4 + Cu(NO3)2 =>
Ba(NO3)2 + Cu(SO4) = BaSO4 + Cu(NO3)2
Zn(s) + H3C6H5O7 = Zn3(C6H5O7)2 + H2 =>
3 Zn(s) + 2 H3C6H5O7 = Zn3(C6H5O7)2 + 3 H2
HCOOH + Al2O3 = (HCOO)3Al + H2O =>
6 HCOOH + Al2O3 = 2(HCOO)3Al + 3 H2O
Se2O3 + Al = Al2O3 + Se =>
Se2O3 + 2 Al = Al2O3 + 2 Se
PbS + NO3{-} + H{+} = Pb{+2} + SO4{-2} + NO + H2O =>
3 PbS + 8 NO3{-} + 8 H{+} = 3 Pb{+2} + 3 SO4{-2} + 8 NO + 4 H2O
CH + Br = C6H5Br + HBr =>
6 CH + 2 Br = C6H5Br + HBr
CrCl + H2O2 + KOH = KCl + K2CrO4 + H2O =>
2 CrCl + 5 H2O2 + 6 KOH = 2 KCl + 2 K2CrO4 + 8 H2O
MoCl6 = Mo + Cl2 =>
MoCl6 = Mo + 3 Cl2
MnO4{-} + HS{-} + H2O{+} = Mn{2+} + S + OH{-} =>
MnO4{-} + 3 HS{-} + H2O{+} = Mn{2+} + 3 S + 5 OH{-}
Zn + KO3 + H2SO4 = ZnSO4 + K2SO4 + H2O =>
5 Zn + 2 KO3 + 6 H2SO4 = 5 ZnSO4 + K2SO4 + 6 H2O
Sr(NO3)2 + K2CrO4 = KNO3 + SrCrO4 =>
Sr(NO3)2 + K2CrO4 = 2 KNO3 + SrCrO4
CsI + Br2 = CsBr + I2 =>
2 CsI + Br2 = 2 CsBr + I2
Cu(OH)2 + Na2SO4 = CuSO4 + Na2(OH)2 =>
Cu(OH)2 + Na2SO4 = CuSO4 + Na2(OH)2
Zn(OH)2 + HNO3 = Zn(NO3)2 + H2(OH)2 =>
Zn(OH)2 + 2 HNO3 = Zn(NO3)2 + H2(OH)2
NH4F + NaOH + AI(OH)3 = Na3AIF6 + H3N + H2O =>
6 NH4F + 3 NaOH + AI(OH)3 = Na3AIF6 + 6 H3N + 6 H2O
AgF + KI = KF + AgI =>
AgF + KI = KF + AgI
ZnCl2 + S(NH4)2 = ZnS + ClNH4 =>
ZnCl2 + S(NH4)2 = ZnS + 2 ClNH4
H2C2O4 + Ca(OH)2 = CaC2O4 + H2O =>
H2C2O4 + Ca(OH)2 = CaC2O4 + 2 H2O
H2SO4 + BaH2 = BaSO4 + H2 =>
H2SO4 + BaH2 = BaSO4 + 2 H2
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2 =>
BaCO3 + HCl + NaOH = NaCl + Ba(OH)2 + CO2
Cl2 + KNO2 + H2O = KNO3 + HCl =>
Cl2 + KNO2 + H2O = KNO3 + 2 HCl
C4H7OOH + CaCO3 = C4H7Ca + H2O + CO2 =>
5 C4H7OOH + 4 CaCO3 = 4 C4H7Ca + 6 H2O + 8 CO2
C2H5COOH + NaOH = C2H5COONa + H2O =>
C2H5COOH + NaOH = C2H5COONa + H2O
BeCo3 + O2 = BeO + Co2 =>
2 BeCo3 + O2 = 2 BeO + 3 Co2
Cr(NO3)3 + K2SiO3 = Cr2(SiO3)3 + KNO3 =>
2 Cr(NO3)3 + 3 K2SiO3 = Cr2(SiO3)3 + 6 KNO3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
AlP + Br2 = AlBr3 + P =>
2 AlP + 3 Br2 = 2 AlBr3 + 2 P
CH3COOH + C6H5CH2OH = CH3COOCH2C6H5 + H2O =>
CH3COOH + C6H5CH2OH = CH3COOCH2C6H5 + H2O
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
MgBr2 + Cl2 = MgClBr2 =>
2 MgBr2 + Cl2 = 2 MgClBr2
Al + NaOH = Al(OH)3 + Na =>
Al + 3 NaOH = Al(OH)3 + 3 Na
HI(g) + O2(g) = I2(g) + H2O(aq) =>
4 HI(g) + O2(g) = 2 I2(g) + 2 H2O(aq)
HgO + NaOH = HgOH + NaO =>
HgO + NaOH = HgOH + NaO
NaHCO3(aq) + CaCl2(aq) = CaCO3(s) + H2CO3(aq) + NaCl(aq) =>
2 NaHCO3(aq) + CaCl2(aq) = CaCO3(s) + H2CO3(aq) + 2 NaCl(aq)
H2S + Br2 = HBr + S =>
H2S + Br2 = 2 HBr + S
MgCO3 + HNo3 = Mg(No3)2 + CO2 + H2O =>
MgCO3 + 2 HNo3 = Mg(No3)2 + CO2 + H2O
FeC2O4*2H2O + O2 = Fe2CO3 + H2O + CO2 =>
4 FeC2O4*2H2O + O2 = 2 Fe2CO3 + 8 H2O + 6 CO2
KNO3 + C2H4O = CO2 + H2O + K2CO3 + N2 =>
2 KNO3 + C2H4O = CO2 + 2 H2O + K2CO3 + N2
FrNO3 + K3PO4 = KNO3 + Fr3PO4 =>
3 FrNO3 + K3PO4 = 3 KNO3 + Fr3PO4
C3H8O3 + Na = C3H5O3Na3 + H2 =>
2 C3H8O3 + 6 Na = 2 C3H5O3Na3 + 3 H2
MgCI + AgNO = AgCI + Mg(NO) =>
MgCI + AgNO = AgCI + Mg(NO)
Pb(NO3)2(ac) + NaI(ac) = NaNO3 + PbI2 =>
Pb(NO3)2(ac) + 2 NaI(ac) = 2 NaNO3 + PbI2
Zn + SnCl4 = SnCl2 + ZnCl2 =>
Zn + SnCl4 = SnCl2 + ZnCl2
Ni + CN = Ni(CN) =>
Ni + CN = Ni(CN)
FeCl3 + KCNS = [Fe(CNS)3] + KCl =>
FeCl3 + 3 KCNS = [Fe(CNS)3] + 3 KCl
H2O2 + MnO2 = H2Mn + O2 =>
H2O2 + MnO2 = H2Mn + 2 O2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
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Équations équilibrées sur10/19/24
Équations équilibrées sur11/18/23
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