Équations équilibrées la veille |
Cr + 3 C = CrC3
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
Ar + F = ArF =>
Ar + F = ArF
C10H20 + H2O + KMnO4 = C10H22O2 + KOH + MnO2 =>
3 C10H20 + 4 H2O + 2 KMnO4 = 3 C10H22O2 + 2 KOH + 2 MnO2
(c)AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2(c)AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
NaHCO3 + Al2O3 = NaAlO2 + CO2 + H2O =>
2 NaHCO3 + Al2O3 = 2 NaAlO2 + 2 CO2 + H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Cl + CuBr2 = CuCl + Br2 =>
Cl + CuBr2 = CuCl + Br2
Cr2O3FeO + HCl = Cr2O3 + FeCl2 + H2O =>
Cr2O3FeO + 2 HCl = Cr2O3 + FeCl2 + H2O
NaHCO3 + C2H3O2 = NaC2H3O2 + H2O + CO2 =>
7 NaHCO3 + 8 C2H3O2 = 7 NaC2H3O2 + 5 H2O + 9 CO2
PbO2 + H2O2 = Pb(OH)2 + O2 =>
PbO2 + H2O2 = Pb(OH)2 + O2
Fe2 + Cu(NO3) = Fe(NO3)2 + Cu =>
Fe2 + 4 Cu(NO3) = 2 Fe(NO3)2 + 4 Cu
Cl + CaI2 = CaCl2 + I =>
2 Cl + CaI2 = CaCl2 + 2 I
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
ICl3 + KOH = KI + KIO3 + KCl + H2O =>
3 ICl3 + 12 KOH = KI + 2 KIO3 + 9 KCl + 6 H2O
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O =>
HC2H3O2 + NH4OH = NH4C2H3O2 + H2O
K2S + AlP = K3P + Al2S3 =>
3 K2S + 2 AlP = 2 K3P + Al2S3
Cu3 + PO4 = Cu3(PO4)2 =>
Cu3 + 2 PO4 = Cu3(PO4)2
C8H7N + HBr = C8H8N + Br =>
C8H7N + HBr = C8H8N + Br
Au + HF = AuHF =>
Au + HF = AuHF
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cu(NO3)2 + Na2SiO3 = CuSiO3 + Na(NO3) =>
Cu(NO3)2 + Na2SiO3 = CuSiO3 + 2 Na(NO3)
Fe + Ag(OH)3 = Fe(OH)3 + Ag =>
Fe + Ag(OH)3 = Fe(OH)3 + Ag
MgF2 + NaOH = NaF + Mg(OH)2 =>
MgF2 + 2 NaOH = 2 NaF + Mg(OH)2
C6H5COOH(aq) + NaOH(aq) = C6H5COONa + H2O =>
C6H5COOH(aq) + NaOH(aq) = C6H5COONa + H2O
H2O2 = HO =>
H2O2 = 2 HO
MgBr2 + NaOH = (MgOH)2 + NaBr2 =>
2 MgBr2 + 2 NaOH = (MgOH)2 + 2 NaBr2
Ni(HCO3)2 = NiCO3 + H2O + CO2 =>
Ni(HCO3)2 = NiCO3 + H2O + CO2
Na2O + SO4 = Na2SO5 =>
Na2O + SO4 = Na2SO5
Mg3N2 + Cr(NO3)3 = Mg(NO3)2 + CrN =>
Mg3N2 + 2 Cr(NO3)3 = 3 Mg(NO3)2 + 2 CrN
MoS2 + H2O = MoO3 + H2S + H2 =>
MoS2 + 3 H2O = MoO3 + 2 H2S + H2
Mg(s)HCl(AQ) = Mg(AQ)HCl(g) =>
Mg(s)HCl(AQ) = Mg(AQ)HCl(g)
KlO3 + C6H8O6 = Kl + C6H6O6 + H2O =>
KlO3 + 3 C6H8O6 = Kl + 3 C6H6O6 + 3 H2O
ZnSO4 + H2 = Zn + H2SO4 =>
ZnSO4 + H2 = Zn + H2SO4
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Cl2 + KI = I + K2Cl =>
Cl2 + 4 KI = 4 I + 2 K2Cl
Zn3P2 + (NH4)SO2 = Zn + N2 + SO2 + PH3 =>
4 Zn3P2 + 6(NH4)SO2 = 12 Zn + 3 N2 + 6 SO2 + 8 PH3
MgCO3(heated) = MgO + CO2 =>
MgCO3(heated) = MgO + CO2
Al + Fe2O3 = aluminiumoxide + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
C6H5OH + CO2 = C6H5COOH + O2 =>
2 C6H5OH + 2 CO2 = 2 C6H5COOH + O2
HMnO4 + RbOH = Rb(MnO4) + H2O =>
HMnO4 + RbOH = Rb(MnO4) + H2O
K2Cr2O7 + NaCl + H2SO4 = Cr2(SO4)3 + K2SO4 + Cl2 + Na2SO4 + H2O =>
K2Cr2O7 + 6 NaCl + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Cl2 + 3 Na2SO4 + 7 H2O
MgS + KPO4 = Mg(PO4)2 + K6S3 =>
3 MgS + 6 KPO4 = 3 Mg(PO4)2 + K6S3
Na[Al(OH)4] + CO2 = Al(OH)3 + NaHCO3 =>
Na[Al(OH)4] + CO2 = Al(OH)3 + NaHCO3
ZnBr2 + Pb(NO3)2 = Zn(NO3)2 + PbBr2 =>
ZnBr2 + Pb(NO3)2 = Zn(NO3)2 + PbBr2
CuCl2(aq) + Na2S(aq) = CuS + NaCl =>
CuCl2(aq) + Na2S(aq) = CuS + 2 NaCl
CH3COOH + Fe(OH)3 = (CH3COO)3Fe + H2O =>
3 CH3COOH + Fe(OH)3 = (CH3COO)3Fe + 3 H2O
NaHCO3(s) = Na2CO3 + H2O(s) + CO2 =>
2 NaHCO3(s) = Na2CO3 + H2O(s) + CO2
N2H4 = NH3 + N2443 =>
7329 N2H4 = 9772 NH3 + 2 N2443
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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