| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CaF2 + Mg3(PO4)2 = Ca3(PO4)2 + 3 MgF2
Fe2O3 + LiF = FeF3 + Li2O =>
Fe2O3 + 6 LiF = 2 FeF3 + 3 Li2O
Pb{+2} + H2O = PbO2 + H{+} + {-} =>
Pb{+2} + 2 H2O = PbO2 + 4 H{+} + 2e
HfCl4 + LiPN2 + P3N5 = HfP7N13 + LiCl =>
HfCl4 + 4 LiPN2 + P3N5 = HfP7N13 + 4 LiCl
Al(s) + HCl(aq) = AlCl + H2 =>
2 Al(s) + 2 HCl(aq) = 2 AlCl + H2
Cl2O + Ca(OH)2 = CaCl2O2 + H2O =>
Cl2O + Ca(OH)2 = CaCl2O2 + H2O
NiBr2 + KPO4 = Ni(PO4)2 + KBr =>
NiBr2 + 2 KPO4 = Ni(PO4)2 + 2 KBr
CaO + HI = CaI + OH =>
CaO + HI = CaI + OH
CH3{+} + H2O = CH3OH + H{+} =>
CH3{+} + H2O = CH3OH + H{+}
Cs + C = Cs4C =>
4 Cs + C = Cs4C
Yb2O3 + CF3COOH = Yb(CF3COO)3 + H2O =>
Yb2O3 + 6 CF3COOH = 2 Yb(CF3COO)3 + 3 H2O
Br2 + Kl = Br2Kl =>
Br2 + Kl = Br2Kl
ZnO + Mn = MnO + Zn =>
ZnO + Mn = MnO + Zn
V + (OH)5 + HCl = VCl5 + H2O =>
V + (OH)5 + 5 HCl = VCl5 + 5 H2O
C8H8O2N + O2 = CO2 + H2O + NH3 =>
4 C8H8O2N + 33 O2 = 32 CO2 + 10 H2O + 4 NH3
NaOH + Nh4Cl = NaCl + Nh4OH =>
NaOH + Nh4Cl = NaCl + Nh4OH
S8 + Na2Cr2O7 = Cr2O3 + Na2O + SO2 =>
3 S8 + 16 Na2Cr2O7 = 16 Cr2O3 + 16 Na2O + 24 SO2
Br2 + Kl = BrKl =>
Br2 + 2 Kl = 2 BrKl
Hg(HCO3)2 = HgCO3 + H2O(g) + CO2(g) =>
Hg(HCO3)2 = HgCO3 + H2O(g) + CO2(g)
KCl + Br = KBr + Cl =>
KCl + Br = KBr + Cl
CH3COOH(aq)NaHCO3(s) = CO2(g)H2O(l)NaCH3COO(aq) =>
CH3COOH(aq)NaHCO3(s) = CO2(g)H2O(l)NaCH3COO(aq)
Pb + HCl = PbCl3{-} + H2 + H{+} =>
Pb + 3 HCl = PbCl3{-} + H2 + H{+}
CoSO4Pb(NO3)2 = Co(NO3)2PbSO4 =>
CoSO4Pb(NO3)2 = Co(NO3)2PbSO4
Br2 + K = KBr =>
Br2 + 2 K = 2 KBr
Na2Co3 + HCl = NaCl + H + Co3 =>
Na2Co3 + 2 HCl = 2 NaCl + 2 H + Co3
IRON(III)TRICHLORIDE + COBALT(II)DICHLORIDE = IRON(III)DICHLORIDE + COBALT(II)TRICHLORIDE =>
IRON(III)TRICHLORIDE + COBALT(II)DICHLORIDE = IRON(III)DICHLORIDE + COBALT(II)TRICHLORIDE
C5H6 + O2 = CO2 + H2O =>
2 C5H6 + 13 O2 = 10 CO2 + 6 H2O
I2 + KIO3 + HCl = ICl + KCl + H2O =>
2 I2 + KIO3 + 6 HCl = 5 ICl + KCl + 3 H2O
PhBr + Mg = PhMgBr =>
PhBr + Mg = PhMgBr
Bi2(CO3)3(s) = Bi2O3(s) + CO2(g) =>
Bi2(CO3)3(s) = Bi2O3(s) + 3 CO2(g)
PbNO3 + NaSCN = PbSCN + NaNO3 =>
PbNO3 + NaSCN = PbSCN + NaNO3
Ba(HCr2O7)2 + Ba(OH)2 = BaCr2O7 + H2O =>
Ba(HCr2O7)2 + Ba(OH)2 = 2 BaCr2O7 + 2 H2O
C2H2 + Ag(NH3)2OH = C2HAg + NH3 + H2O =>
C2H2 + Ag(NH3)2OH = C2HAg + 2 NH3 + H2O
C6H5NO2 + C6H5NH2 = C6H5NHC6H4NO + H2O =>
C6H5NO2 + C6H5NH2 = C6H5NHC6H4NO + H2O
CrCl3 + Na3PO4 = NaCl + Cr3(PO4)3 =>
3 CrCl3 + 3 Na3PO4 = 9 NaCl + Cr3(PO4)3
K2 + CO3 = K2O + CO2 =>
K2 + CO3 = K2O + CO2
CrMnBH = B + Cr + H2 + Mn =>
2 CrMnBH = 2 B + 2 Cr + H2 + 2 Mn
C18H38 + O2 = CO2 + H2 =>
C18H38 + 18 O2 = 18 CO2 + 19 H2
Fe + H2O + Si3O3 = Fe2SiO4 + H2 =>
6 Fe + 9 H2O + Si3O3 = 3 Fe2SiO4 + 9 H2
C8H10 + O1 = CO2 + H2O =>
C8H10 + 21 O1 = 8 CO2 + 5 H2O
AgNO3 + NaBH4 + H2O = Ag + NaNO3 + H3BO3 + H2 =>
2 AgNO3 + 2 NaBH4 + 6 H2O = 2 Ag + 2 NaNO3 + 2 H3BO3 + 7 H2
Br2 + K = KBr =>
Br2 + 2 K = 2 KBr
FeO3 + Li = Fe + LiO3 =>
FeO3 + Li = Fe + LiO3
AgNO3 + Na2CrO4 = Ag2CrO4 + NaNO3 =>
2 AgNO3 + Na2CrO4 = Ag2CrO4 + 2 NaNO3
Cd(NO3)2 + F2 = CdF + NO3 =>
2 Cd(NO3)2 + F2 = 2 CdF + 4 NO3
Al + NaOH = NaAlO2 + H2 + NaH =>
2 Al + 4 NaOH = 2 NaAlO2 + H2 + 2 NaH
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al + KOH + H2SO4 + H2O = KAl(SO4)2(H2O)2 + H2 =>
2 Al + 2 KOH + 4 H2SO4 + 2 H2O = 2 KAl(SO4)2(H2O)2 + 3 H2
K2 + CO3 = K2O + CO2 =>
K2 + CO3 = K2O + CO2
Pb(NO3)2 = (NO3)2 + Pb =>
Pb(NO3)2 = (NO3)2 + Pb
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