| Équations équilibrées la veille |
20 H2MoO4 + Na2S = 4 Mo5O14 + Na2SO4 + 20 H2O
AgCl + CaCl2 = AgCl2CaCl =>
AgCl + CaCl2 = AgCl2CaCl
MnI2 = Mn + I =>
MnI2 = Mn + 2 I
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
AgNO3 + NiCl2 = AgCl2 + Ni(NO3) =>
AgNO3 + NiCl2 = AgCl2 + Ni(NO3)
Co(OH)3 = Co3O4 + H2O + O2 =>
12 Co(OH)3 = 4 Co3O4 + 18 H2O + O2
MnO2 + SnCl2 + HCl = MnCl2 + SnCl4 + H2O =>
MnO2 + SnCl2 + 4 HCl = MnCl2 + SnCl4 + 2 H2O
HgO(c) = Hg + O2 =>
2 HgO(c) = 2 Hg + O2
Ca3(PO4)2 + Mg = CaO + MgO + P =>
Ca3(PO4)2 + 5 Mg = 3 CaO + 5 MgO + 2 P
FeC2O4*H2O(s) + O2(g) = Fe2O3(s) + H2O(g) + CO2(g) =>
4 FeC2O4*H2O(s) + 3 O2(g) = 2 Fe2O3(s) + 4 H2O(g) + 8 CO2(g)
SbI3 + (NH4)2S = Sb2S3 + NH4I =>
2 SbI3 + 3(NH4)2S = Sb2S3 + 6 NH4I
CaO + WO3 = CaWO4 =>
CaO + WO3 = CaWO4
HCl + KCNS + KMnO4 = CO2 + SO2 + N0 + MnCl2 + KCl + H2O =>
32 HCl + 5 KCNS + 9 KMnO4 = 5 CO2 + 5 SO2 + 5 N0 + 9 MnCl2 + 14 KCl + 16 H2O
KBrO3 + XeF2 + KOH = KBrO4 + Xe + KF + H2O =>
KBrO3 + XeF2 + 2 KOH = KBrO4 + Xe + 2 KF + H2O
SiF4 + H2O = H2SiF6 + H2[SiO2(OH)2] =>
3 SiF4 + 4 H2O = 2 H2SiF6 + H2[SiO2(OH)2]
H2O + N2O5 + Li = LiNO3 + H2 =>
H2O + N2O5 + 2 Li = 2 LiNO3 + H2
HBr + MgCl2 = HCl + MgBr2 =>
2 HBr + MgCl2 = 2 HCl + MgBr2
Na + Cu(OH)2 = Cu + Na(OH)2 =>
Na + Cu(OH)2 = Cu + Na(OH)2
Pb(NO3)2 = PbO + N2O5 =>
Pb(NO3)2 = PbO + N2O5
Pd(NH3)2Cl2 + H2 = Pd + NH4Cl =>
Pd(NH3)2Cl2 + H2 = Pd + 2 NH4Cl
Ca(OH)2 + Fe2S3 = CaS + Fe(OH)3 =>
3 Ca(OH)2 + Fe2S3 = 3 CaS + 2 Fe(OH)3
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
HNO3(l) + PbS(s) = PbSO4(s) + NO2(g) + H2O(l) =>
8 HNO3(l) + PbS(s) = PbSO4(s) + 8 NO2(g) + 4 H2O(l)
Br2 + H2O + Cl2 = HBrO3 + HCl =>
Br2 + 6 H2O + 5 Cl2 = 2 HBrO3 + 10 HCl
Na3PO4(ac) + Ba(NO3)2(ac) = Ba3(PO4)2(s) + NaNO3(ac) =>
2 Na3PO4(ac) + 3 Ba(NO3)2(ac) = Ba3(PO4)2(s) + 6 NaNO3(ac)
Pb + Cu(NO3)2 = PbNO3 + Cu2 =>
4 Pb + 2 Cu(NO3)2 = 4 PbNO3 + Cu2
CuSO4 + NaOH + NaCl = Cu2Cl(OH)3 + Na2SO4 =>
2 CuSO4 + 3 NaOH + NaCl = Cu2Cl(OH)3 + 2 Na2SO4
H2CO3 + Ag(OH)2 = AgCO3 + H2O =>
H2CO3 + Ag(OH)2 = AgCO3 + 2 H2O
YCl3 + F2 = YF3 + Cl2 =>
2 YCl3 + 3 F2 = 2 YF3 + 3 Cl2
SiCl4 + NH3 = NH4Cl + Si + N2 =>
3 SiCl4 + 16 NH3 = 12 NH4Cl + 3 Si + 2 N2
NaI + NH4NO3 = NaNO3 + NH4I =>
NaI + NH4NO3 = NaNO3 + NH4I
C3H7Br + CuO = CuBr2 + C3H7Cu + CO2 + H2O =>
14 C3H7Br + 19 CuO = 7 CuBr2 + 12 C3H7Cu + 6 CO2 + 7 H2O
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
NaHCO3 + HCl = CO2H2O + NaCl =>
NaHCO3 + HCl = CO2H2O + NaCl
CH3CN + C2H5MgBr = CH3CC2H5NMgBr = CH3COC2H5 + NH4Br + Mg{+} =>
CH3CN + C2H5MgBr = CH3CC2H5NMgBr
C14H10O2 + O2 = CO2 + H2O =>
2 C14H10O2 + 31 O2 = 28 CO2 + 10 H2O
C2H2 + HNO3 = NO2 + CO2 + H2O =>
C2H2 + 10 HNO3 = 10 NO2 + 2 CO2 + 6 H2O
CaMg(CO3)2 + HNO3 = Ca(NO3)2 + Mg(NO3)2 + CO2 + H2O =>
CaMg(CO3)2 + 4 HNO3 = Ca(NO3)2 + Mg(NO3)2 + 2 CO2 + 2 H2O
CuSO4 + Zn = CuS + ZnO =>
CuSO4 + 4 Zn = CuS + 4 ZnO
H{+} + CrO{2-}4 + NO2 = Cr{3+} + H2O + NO{-}3 =>
4 H{+} + CrO{2-}4 + NO2 = Cr{3+} + 2 H2O + NO{-}3
CrOH3 + NaOH + H2O2 = Na2CrO4 + H2O =>
2 CrOH3 + 4 NaOH + 7 H2O2 = 2 Na2CrO4 + 12 H2O
Ca(s) + H2SO4(aq) = CaSO3 + H2O =>
Ca(s) + H2SO4(aq) = CaSO3 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(NO3)2 + KI + H2SO4 = BaSO4 + I2 + H2O + NO + K2SO4 =>
Ba(NO3)2 + 6 KI + 4 H2SO4 = BaSO4 + 3 I2 + 4 H2O + 2 NO + 3 K2SO4
CH3C6H3Cl2 + NH3 + O2 = C7H3Cl2N + H2O =>
2 CH3C6H3Cl2 + 2 NH3 + 3 O2 = 2 C7H3Cl2N + 6 H2O
Cr2O7{-2} + I{+} = Cr{3+} + I2 + IO =>
2 Cr2O7{-2} + 16 I{+} = 4 Cr{3+} + I2 + 14 IO
Mn3O4 + BaO2 = BaMnO3 + BaMnO4 =>
Mn3O4 + 3 BaO2 = 2 BaMnO3 + BaMnO4
CsCl + CaS = CaCl2 + Cs2S =>
2 CsCl + CaS = CaCl2 + Cs2S
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
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