| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNO3 + (NH4)2O = 2 NH4NO3 + H2O
F2 + Ca = Ca2F =>
F2 + 4 Ca = 2 Ca2F
KNO3 + C2H4O = CO2 + H2O + K2CO3 + N2 =>
2 KNO3 + C2H4O = CO2 + 2 H2O + K2CO3 + N2
NaHCO3 + C2H4O2 = NaCHO2 + H2CO3 =>
4 NaHCO3 + C2H4O2 = 4 NaCHO2 + 2 H2CO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KIO3 + H2SO4 + KI = I2 + K2SO4 + H2O =>
KIO3 + 3 H2SO4 + 5 KI = 3 I2 + 3 K2SO4 + 3 H2O
FeCu2S2 + O2 = Fe2O3 + CuO + SO2 =>
4 FeCu2S2 + 15 O2 = 2 Fe2O3 + 8 CuO + 8 SO2
LiHCO3 = Li2CO3 + H2CO3 =>
2 LiHCO3 = Li2CO3 + H2CO3
H2Te + SrBr2 = SrTe + HBr =>
H2Te + SrBr2 = SrTe + 2 HBr
C6(H9*6)(O3*5) + H2O = CO2 + CH4 =>
8 C6(H9*6)(O3*5) + 18 H2O = 21 CO2 + 27 CH4
AgNO3(aq) + NaBr(aq) = AgBr + NaNO3(aq) =>
AgNO3(aq) + NaBr(aq) = AgBr + NaNO3(aq)
Cu + H2SO4 = Cu2S + Cu2S2O8 + H2O =>
10 Cu + 8 H2SO4 = 2 Cu2S + 3 Cu2S2O8 + 8 H2O
Y(OH)3 + H2CO3 = Y(CO3)3 + H3O =>
Y(OH)3 + 3 H2CO3 = Y(CO3)3 + 3 H3O
NaAc + HAc = HNa + Ac =>
NaAc + HAc = HNa + 2 Ac
H2(CO3) + Al(OH)3 = Al2(CO3)3 + H2O =>
3 H2(CO3) + 2 Al(OH)3 = Al2(CO3)3 + 6 H2O
Al4C3(aq) + H2O(l) = CH4(g) + Al(OH)3 =>
Al4C3(aq) + 12 H2O(l) = 3 CH4(g) + 4 Al(OH)3
Sn(OH)3 + H3O = Sn(H2O)3 + H2O =>
Sn(OH)3 + 3 H3O = Sn(H2O)3 + 3 H2O
CoCl2 + NH4OH = Co(OH) + NH4(Cl2) =>
CoCl2 + NH4OH = Co(OH) + NH4(Cl2)
LiBr + Cl{2} = LiCl + Br{2} =>
LiBr + Cl{2} = LiCl + Br{2}
Cr + ZnCl2 = CrCl3 + Zn =>
2 Cr + 3 ZnCl2 = 2 CrCl3 + 3 Zn
NaOH + AlCl3 = Al(OH)3 + NaCl =>
3 NaOH + AlCl3 = Al(OH)3 + 3 NaCl
Si2HCl3 = Si + HCl + SiCl4 =>
2 Si2HCl3 = 3 Si + 2 HCl + SiCl4
C18H35COONa + HCl = C18H35COOH + NaCl =>
C18H35COONa + HCl = C18H35COOH + NaCl
Al4C3 + KOH = CH4 + K3AlO3 =>
Al4C3 + 12 KOH = 3 CH4 + 4 K3AlO3
Zn + PbCl2 = ZnCl2 + Pb =>
Zn + PbCl2 = ZnCl2 + Pb
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
AgCl + Cu(OH)2 = CuCl2 + Ag2(OH)2 =>
2 AgCl + Cu(OH)2 = CuCl2 + Ag2(OH)2
Ba(NO3)2 + KSCN = Ba(SCN)2 + KNO3 =>
Ba(NO3)2 + 2 KSCN = Ba(SCN)2 + 2 KNO3
CuBr + HCl = CuCl + HBr =>
CuBr + HCl = CuCl + HBr
HCl + LiOH = H2O + LiCl =>
HCl + LiOH = H2O + LiCl
K2Cr2O7 + H2SO4 + C4H9OH = Cr2(SO4)3 + K2SO4 + H2O + C4H8O2 =>
2 K2Cr2O7 + 8 H2SO4 + 3 C4H9OH = 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O + 3 C4H8O2
CH + Br = C6H5Br + HBr =>
6 CH + 2 Br = C6H5Br + HBr
Mn + Cl2 = MnCl1 =>
2 Mn + Cl2 = 2 MnCl1
Al(s) + FeO(aq) = Fe(s) + Al2O3(aq) =>
2 Al(s) + 3 FeO(aq) = 3 Fe(s) + Al2O3(aq)
Al(NO3)3 + OH = Al(OH)3 + NO3 =>
Al(NO3)3 + 3 OH = Al(OH)3 + 3 NO3
Rb2O + H2O = RbOH =>
Rb2O + H2O = 2 RbOH
Fe2(SO4)3 + H2S = FeSO4 + S + H2O =>
Fe2(SO4)3 + 4 H2S = 2 FeSO4 + 5 S + 4 H2O
Na2WO4 + HCl + Na2S = W5O14 + NaCl + S + H2O =>
5 Na2WO4 + 12 HCl + Na2S = W5O14 + 12 NaCl + S + 6 H2O
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
H2TeO4 + NaOH = Na2TeO4 + H2O =>
H2TeO4 + 2 NaOH = Na2TeO4 + 2 H2O
CS2(l) + NH3 = H2S(g) + NH4SCN(s) =>
CS2(l) + 2 NH3 = H2S(g) + NH4SCN(s)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
AgNO3 + ZnCl2*2NH4Cl = AgCl + Zn(NO3)2 + NH4Cl =>
2 AgNO3 + ZnCl2*2NH4Cl = 2 AgCl + Zn(NO3)2 + 2 NH4Cl
CuBr + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CuSO4 + Br2 + H2O =>
10 CuBr + 4 KMnO4 + 16 H2SO4 = 4 MnSO4 + 2 K2SO4 + 10 CuSO4 + 5 Br2 + 16 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Hg(s) + O2(g) = Hg2O(s) =>
4 Hg(s) + O2(g) = 2 Hg2O(s)
Ca + AgClO4 = Ag + CaClO4 =>
Ca + AgClO4 = Ag + CaClO4
Br2 + Ca3P2 + H2O = Ca3(PO4)2 + HBr =>
8 Br2 + Ca3P2 + 8 H2O = Ca3(PO4)2 + 16 HBr
MnCl2 + K3[Fe(CN)6] = Mn3[Fe(CN)6]2 + KCl =>
3 MnCl2 + 2 K3[Fe(CN)6] = Mn3[Fe(CN)6]2 + 6 KCl
MnCl2 + Na2CO3 = MnCO3 + NaCl =>
MnCl2 + Na2CO3 = MnCO3 + 2 NaCl
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Équations équilibrées sur10/19/24
Équations équilibrées sur11/18/23
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