Équations équilibrées la veille |
2 Ag + 2 NaOH + 6 H2O = 2 Na[Ag(OH)4] + 3 H2
Ca(CO3) = CaO + CO2 =>
Ca(CO3) = CaO + CO2
B2O3 + H2O = B + HO3 =>
5 B2O3 + 3 H2O = 10 B + 6 HO3
Cr + P = Cr3P2 =>
3 Cr + 2 P = Cr3P2
Ag + NaOH + H2O = Na[Ag(OH)4] + H2 =>
2 Ag + 2 NaOH + 6 H2O = 2 Na[Ag(OH)4] + 3 H2
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Cr + P = Cr3P2 =>
3 Cr + 2 P = Cr3P2
Cl5 = Cl0 =>
Cl5 = 5 Cl0
Cr + P = Cr3P3 =>
3 Cr + 3 P = Cr3P3
Cr + P = Cr3P2 =>
3 Cr + 2 P = Cr3P2
Al2(SO4)3 + NaCl = AlCl3 + Na2SO4 =>
Al2(SO4)3 + 6 NaCl = 2 AlCl3 + 3 Na2SO4
Cu(OH)2 + H2 = Cu + H2O =>
Cu(OH)2 + H2 = Cu + 2 H2O
MgI2 = Mg + I2 =>
MgI2 = Mg + I2
Cr + P = Cr3P3 =>
3 Cr + 3 P = Cr3P3
Pb(CO3) + HCl = PbCl2 + H2(CO3) =>
Pb(CO3) + 2 HCl = PbCl2 + H2(CO3)
Ba + CaO = BaO + Ca =>
Ba + CaO = BaO + Ca
Cr + P = Cr3P6 =>
3 Cr + 6 P = Cr3P6
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Cr + P = Cr3P4 =>
3 Cr + 4 P = Cr3P4
C + FeCr2O7 = FeCr2 + CO2 =>
7 C + 2 FeCr2O7 = 2 FeCr2 + 7 CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Pb(CO3) + HCl = PbCl2 + H2(CO3) =>
Pb(CO3) + 2 HCl = PbCl2 + H2(CO3)
Cr + P = Cr3P4 =>
3 Cr + 4 P = Cr3P4
Pb(CO3) + HCl = PbCl2 + CO2 + H2O =>
Pb(CO3) + 2 HCl = PbCl2 + CO2 + H2O
(NH4)2Ce(NO3)6 = CeO2 + N2 + NO2 + H2O =>
(NH4)2Ce(NO3)6 = CeO2 + N2 + 6 NO2 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Li3PO4 + AgNO3 = Ag3PO4 + LiNO3 =>
Li3PO4 + 3 AgNO3 = Ag3PO4 + 3 LiNO3
(NH4)2Ce(NO3)6 = CeO2 + N2 + NO2 + H2O =>
(NH4)2Ce(NO3)6 = CeO2 + N2 + 6 NO2 + 4 H2O
CO2 + Mg = C + MgO =>
CO2 + 2 Mg = C + 2 MgO
I + O3 + H2O = HIO4 =>
6 I + 7 O3 + 3 H2O = 6 HIO4
Cr + P = Cr3P4 =>
3 Cr + 4 P = Cr3P4
U4 = U =>
U4 = 4 U
Na2SO3 + FeO = FeSO4 + Na =>
Na2SO3 + FeO = FeSO4 + 2 Na
MgSO4 + Pb(NO3)2 = Mg(NO3)2 + PbSO4 =>
MgSO4 + Pb(NO3)2 = Mg(NO3)2 + PbSO4
(NH4)2Ce(NO3)6 = CeO2 + N2 + NO2 + H2O =>
(NH4)2Ce(NO3)6 = CeO2 + N2 + 6 NO2 + 4 H2O
Cr + P = Cr3P3 =>
3 Cr + 3 P = Cr3P3
HI + KOH = K(I) + H2O =>
HI + KOH = K(I) + H2O
SrCrO4 + HCl = SrCr2O7 + SrCl2 + H2O =>
2 SrCrO4 + 2 HCl = SrCr2O7 + SrCl2 + H2O
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
MgI2 = Mg2 + I =>
2 MgI2 = Mg2 + 4 I
CS2 = C + S2 =>
CS2 = C + S2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb(CO3) + HCl = PbCl2 + CO2 + H2O =>
Pb(CO3) + 2 HCl = PbCl2 + CO2 + H2O
Cr + P = Cr3P6 =>
3 Cr + 6 P = Cr3P6
Ag + NaOH + H2O = Na[Ag(OH)4] + H2 =>
2 Ag + 2 NaOH + 6 H2O = 2 Na[Ag(OH)4] + 3 H2
MgI2 = Mg + I2 =>
MgI2 = Mg + I2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Fe + Ni(OH)2 = Ni + Fe(OH)3 =>
2 Fe + 3 Ni(OH)2 = 3 Ni + 2 Fe(OH)3
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