| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 4 H2O
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
CaSO4(aq) + NaOH(aq) = Ca(OH)2(s) + Na2SO4(aq) =>
CaSO4(aq) + 2 NaOH(aq) = Ca(OH)2(s) + Na2SO4(aq)
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Calciumhydroxide + hydrochloricacid = calciumchloride + water =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H20 =>
5 Cr2O3 + 5 KNO3 + 20 KOH = 10 K2CrO4 + 5 KNO2 + H20
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Fe2S3 + HNO3 = Fe(NO3)3 + NO + S + H2O =>
Fe2S3 + 8 HNO3 = 2 Fe(NO3)3 + 2 NO + 3 S + 4 H2O
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
SeO2 + I{-} + H{+} = Se + I2 + H2O =>
SeO2 + 4 I{-} + 4 H{+} = Se + 2 I2 + 2 H2O
CH4 = C + H2 =>
CH4 = C + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na + H2SO4 = Na2SO4 + H2S + H2O =>
8 Na + 5 H2SO4 = 4 Na2SO4 + H2S + 4 H2O
Ca(OH)2 + HNO3 = H2O + Ca(NO3)2 =>
Ca(OH)2 + 2 HNO3 = 2 H2O + Ca(NO3)2
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
OsO4 + PtCl4 = PtO2 + OsCl8 =>
OsO4 + 2 PtCl4 = 2 PtO2 + OsCl8
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
H2SO4 + Na = Na2SO4 + H2S + H2O =>
5 H2SO4 + 8 Na = 4 Na2SO4 + H2S + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cd(NO3)2 + H2SO4 = CdSO4 + HNO3 =>
Cd(NO3)2 + H2SO4 = CdSO4 + 2 HNO3
H2O2 + PbS = PbSO4 + H2O =>
4 H2O2 + PbS = PbSO4 + 4 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
KBrO3 + KI + HCl = KCl + KBr + I2 + H2O =>
KBrO3 + 6 KI + 6 HCl = 6 KCl + KBr + 3 I2 + 3 H2O
S + O2 = SO2 =>
S + O2 = SO2
AgNO3 + P + H2O = H3PO4 + Ag + HNO3 =>
5 AgNO3 + P + 4 H2O = H3PO4 + 5 Ag + 5 HNO3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
HCl + BACl2 = HCl2 + BACl =>
HCl + BACl2 = HCl2 + BACl
C6H12O6 + O2 = H2O + CO2 =>
C6H12O6 + 6 O2 = 6 H2O + 6 CO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Mg + HNO3 = Mg(NO3) + NH3 + H2O =>
8 Mg + 9 HNO3 = 8 Mg(NO3) + NH3 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH3 + AgCl2 = [Ag(NH3)4]Cl2 =>
4 NH3 + AgCl2 = [Ag(NH3)4]Cl2
Mg + HNO3 = Mg(NO3) + NH3 + H2O =>
8 Mg + 9 HNO3 = 8 Mg(NO3) + NH3 + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CuCl2 + Mg = Cu + MgCl2 =>
CuCl2 + Mg = Cu + MgCl2
Fr + H2O = FrOH + H2 =>
2 Fr + 2 H2O = 2 FrOH + H2
PbO + C = CO2 + Pb =>
2 PbO + C = CO2 + 2 Pb
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
MgO + SO2 = MgS + MgSO4 =>
4 MgO + 4 SO2 = MgS + 3 MgSO4
NABr + CA(OH)2 = CABr2 + NAOH =>
2 NABr + CA(OH)2 = CABr2 + 2 NAOH
Mg + HNO3 = Mg(NO3)2 + NH3 + H2O =>
4 Mg + 9 HNO3 = 4 Mg(NO3)2 + NH3 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
BaCl2(aq) + Na3PO4(aq) = Ba3(PO4)2(s) + NaCl(aq) =>
3 BaCl2(aq) + 2 Na3PO4(aq) = Ba3(PO4)2(s) + 6 NaCl(aq)
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/03/16
Équations équilibrées sur03/04/15
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