| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe + 3 Cl2 = 2 FeCl3
BeCl2 + (NH4)2CO3 + H2O = (NH4)6Be4O(CO3)6 + NH4Cl + NH4HCO3 =>
4 BeCl2 + 8(NH4)2CO3 + H2O = (NH4)6Be4O(CO3)6 + 8 NH4Cl + 2 NH4HCO3
CdSO4 + Na2S = CdS + Na2SO4 =>
CdSO4 + Na2S = CdS + Na2SO4
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
C10H10O4 + C5H9NO2 = C20H28N2O8 =>
C10H10O4 + 2 C5H9NO2 = C20H28N2O8
HCl + Na2S = H2S + NaCl =>
2 HCl + Na2S = H2S + 2 NaCl
K2S + CrBr3 = Cr2S3 + KBr =>
3 K2S + 2 CrBr3 = Cr2S3 + 6 KBr
CaCO3 + NaF = Na2CO3 + CaF2 =>
CaCO3 + 2 NaF = Na2CO3 + CaF2
H{2}SO{4} + Al = Al{2}(SO{4}) + H =>
H{2}SO{4} + Al = Al{2}(SO{4}) + H
MnCO3 + HNO3 = MnNO3 + HCO3 =>
MnCO3 + HNO3 = MnNO3 + HCO3
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
KNO3 + KI + H2SO4 = I2 + H2O + NO + K2SO4 =>
2 KNO3 + 6 KI + 4 H2SO4 = 3 I2 + 4 H2O + 2 NO + 4 K2SO4
HY + HClO3 = HCl + Y2 + H2O =>
6 HY + HClO3 = HCl + 3 Y2 + 3 H2O
CaS2O3 + KF = CaF2 + K2S2O3 =>
CaS2O3 + 2 KF = CaF2 + K2S2O3
H2SO4 + Co(OH)2 = H2O + CoSO4 =>
H2SO4 + Co(OH)2 = 2 H2O + CoSO4
Zn(s) + P4(s) = Zn(s)P4(s) =>
Zn(s) + P4(s) = Zn(s)P4(s)
Na2CO3() + CaCl2() = NaCl() + CaCO3() =>
Na2CO3() + CaCl2() = 2 NaCl() + CaCO3()
CuS + NaO = CuO + NaS =>
CuS + NaO = CuO + NaS
Ca(OH)2 + HNO3 + HCl = CaClNO3 + H2O =>
Ca(OH)2 + HNO3 + HCl = CaClNO3 + 2 H2O
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
Zn + Ag3AsO4 + NaOH = AsH3 + Na2ZnO2 + Ag + H2O =>
11 Zn + 2 Ag3AsO4 + 22 NaOH = 2 AsH3 + 11 Na2ZnO2 + 6 Ag + 8 H2O
H2S + Mg(OH)2 = Mg2S2 + HOH =>
2 H2S + 2 Mg(OH)2 = Mg2S2 + 4 HOH
Zn + HNO3 = Zn[NO3]2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn[NO3]2 + 2 NO2 + 2 H2O
O2 + Li2Se = Li2O2 + Se =>
O2 + Li2Se = Li2O2 + Se
Al + HNO3 = Al2O3 + NO2 + H2 =>
4 Al + 6 HNO3 = 2 Al2O3 + 6 NO2 + 3 H2
Al + NaNO2 + NaOH + H2O = NH3 + Na3(Al(OH)6) =>
2 Al + NaNO2 + 5 NaOH + 5 H2O = NH3 + 2 Na3(Al(OH)6)
CH3OH + NHO3 + KMnO4 = H2O + CO + KNO3 + Mn(NO3)3 =>
CH3OH + 4 NHO3 + KMnO4 = 4 H2O + CO + KNO3 + Mn(NO3)3
[Cu(NH3)4](OH)2 = CuO + NH3 + H2O =>
[Cu(NH3)4](OH)2 = CuO + 4 NH3 + H2O
CaCO2 = CO + CaO =>
CaCO2 = CO + CaO
Na3[Cr(OH)6] + H2SO4 = Cr(OH)3 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 3 H2SO4 = 2 Cr(OH)3 + 3 Na2SO4 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NaCl + ZnSO4 = Na2SO4 + ZnCl2 =>
2 NaCl + ZnSO4 = Na2SO4 + ZnCl2
H3O{+} + Cl{-} + CrO4{2-} = Cl2 + Cr{3+} + H2O =>
16 H3O{+} + 6 Cl{-} + 2 CrO4{2-} = 3 Cl2 + 2 Cr{3+} + 24 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ca(OH)2(ag) + HNO3(ag) = Ca(NO3)2(ag) + H2O(l) =>
Ca(OH)2(ag) + 2 HNO3(ag) = Ca(NO3)2(ag) + 2 H2O(l)
Cu + MgCI2 = Mg + CuCI2 =>
Cu + MgCI2 = Mg + CuCI2
C6H12O7 + O2 = C6H10O8 + H2O =>
C6H12O7 + O2 = C6H10O8 + H2O
Ni(OH)3 + H4Sb2O5 = Ni4(Sb2O5)3 + H2O =>
4 Ni(OH)3 + 3 H4Sb2O5 = Ni4(Sb2O5)3 + 12 H2O
CaC2 + H2O + CO2 = Ca(OH)2 + CH2CHCO2 =>
11 CaC2 + 26 H2O + 8 CO2 = 11 Ca(OH)2 + 10 CH2CHCO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NH4NO3 + NaOH = NH4 + H2O + NaNO3 =>
9 NH4NO3 + 10 NaOH = 8 NH4 + 7 H2O + 10 NaNO3
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Cd(s) + O2(g) = CdO(s) =>
2 Cd(s) + O2(g) = 2 CdO(s)
CaCl2 + Na2CO3 = CaCO3(s) + NaCl(aq) =>
CaCl2 + Na2CO3 = CaCO3(s) + 2 NaCl(aq)
KHC8H4O4 + NaCl = KNaC8H4O4 + HCl =>
KHC8H4O4 + NaCl = KNaC8H4O4 + HCl
Si + HNO3 + HF = SiF4 + NO + H2O =>
3 Si + 4 HNO3 + 12 HF = 3 SiF4 + 4 NO + 8 H2O
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
MgO(c) + C(g) = Mg(g) + CO2 =>
2 MgO(c) + C(g) = 2 Mg(g) + CO2
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