Équations équilibrées la veille |
3 NaOCl = 2 NaCl + NaClO3
PbO2 + H2O = H2O2 + PbO =>
PbO2 + H2O = H2O2 + PbO
C6H5CH2OH + K2Cr2O7 + H2SO4 = H2O + Cr2(SO4)3 + K2SO4 + C6H5COH =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = 7 H2O + Cr2(SO4)3 + K2SO4 + 3 C6H5COH
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Pb(C2H3O2)2 + K2Cr2O7 = Pb2Cr2O7 + K(C2H3O2)2 =>
2 Pb(C2H3O2)2 + K2Cr2O7 = Pb2Cr2O7 + 2 K(C2H3O2)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CuO2 + NaOH = Cu(OH)2 + NaO =>
CuO2 + 2 NaOH = Cu(OH)2 + 2 NaO
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
CaCl2(aq) + AgNO4(aq) = CaNO4 + AgCl2 =>
CaCl2(aq) + AgNO4(aq) = CaNO4 + AgCl2
Ni(OH)2 = H2O + NiO =>
Ni(OH)2 = H2O + NiO
BrNO3 = Br2 + N2 + O2 =>
2 BrNO3 = Br2 + N2 + 3 O2
Cr2O7{2-} + CH2O + H{+} = Cr3{+} + CH2O2 + H2O =>
3 Cr2O7{2-} + 17 CH2O + 8 H{+} = 2 Cr3{+} + 17 CH2O2 + 4 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
FeCl2 + HCl + HNO3 = FeCl3 + NO + H2O =>
3 FeCl2 + 3 HCl + HNO3 = 3 FeCl3 + NO + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
BiCl3 + NH3 + H2O = Bi(OH)3 + NH4Cl =>
BiCl3 + 3 NH3 + 3 H2O = Bi(OH)3 + 3 NH4Cl
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
CoSO4 + NaHCO3 = Co(HCO3)2 + Na2SO4 =>
CoSO4 + 2 NaHCO3 = Co(HCO3)2 + Na2SO4
C4H9O + K2Cr2O7 + H2SO4 = C4H8O + KCrS + H2O =>
26 C4H9O + K2Cr2O7 + 2 H2SO4 = 26 C4H8O + 2 KCrS + 15 H2O
Zn(s) + H2O = H2 + Zn(OH)2 =>
Zn(s) + 2 H2O = H2 + Zn(OH)2
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
Fe2(SO4)3 + CuCl2 = Fe(Cl)3 + CuSO4 =>
Fe2(SO4)3 + 3 CuCl2 = 2 Fe(Cl)3 + 3 CuSO4
LiCl = Li + Cl =>
LiCl = Li + Cl
CaCl2 + HMnO4 = HCl + Ca(MnO4)2 =>
CaCl2 + 2 HMnO4 = 2 HCl + Ca(MnO4)2
Cr2O3 + KOH + Br2 = K2CrO4 + KBr + H2O =>
Cr2O3 + 10 KOH + 3 Br2 = 2 K2CrO4 + 6 KBr + 5 H2O
N2SO3 + KMnO4 + H2SO4 = N2SO4 + MnSO4 + K2SO4 + H2O =>
5 N2SO3 + 2 KMnO4 + 3 H2SO4 = 5 N2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
(CH3)3CNH2BH3 + C7H8 + I = (CH3)3CNH2BH2I + C7H9 =>
(CH3)3CNH2BH3 + C7H8 + I = (CH3)3CNH2BH2I + C7H9
Zn + FeS3O12 = ZnSO4 + Fe =>
3 Zn + FeS3O12 = 3 ZnSO4 + Fe
HNO3 + ZnSO4 = ZnNO3 + HSO4 =>
HNO3 + ZnSO4 = ZnNO3 + HSO4
MnSO4 + C6H8O7 = C6H6MnO7 + H2SO4 =>
MnSO4 + C6H8O7 = C6H6MnO7 + H2SO4
La2(CO3)3 + H2SO4 = La2(SO4)3 + H2O + CO2 =>
La2(CO3)3 + 3 H2SO4 = La2(SO4)3 + 3 H2O + 3 CO2
NH4Cl + Li2CO3 = (NH4)2CO3 + LiCl =>
2 NH4Cl + Li2CO3 = (NH4)2CO3 + 2 LiCl
Hg(NO3)2 + NH4SCN = Hg(SCN)2 + NH4NO3 =>
Hg(NO3)2 + 2 NH4SCN = Hg(SCN)2 + 2 NH4NO3
AgBr = Ag + Br =>
AgBr = Ag + Br
Mg(CH3COO)2 + Pb2O4 = MgO + Pb(CH3COO)4 =>
4 Mg(CH3COO)2 + Pb2O4 = 4 MgO + 2 Pb(CH3COO)4
Co + NaClO3 = CoCl2 + Na + O =>
Co + 2 NaClO3 = CoCl2 + 2 Na + 6 O
Na2SO4 + KCl = NaCl + K2SO4 =>
Na2SO4 + 2 KCl = 2 NaCl + K2SO4
Pb(OH)2 + (H2SO4) = PbSO4 + H2O =>
Pb(OH)2 + (H2SO4) = PbSO4 + 2 H2O
CuCl2 + Na2CO3 = CuCO3 + NaCl =>
CuCl2 + Na2CO3 = CuCO3 + 2 NaCl
CxHxBr2 + NaOH = CxHx(ONa)2 + HBr =>
CxHxBr2 + 2 NaOH = CxHx(ONa)2 + 2 HBr
Na + Cl = NaCl =>
Na + Cl = NaCl
MgCO3 + HNO3 = Mg(NO3)2 + H2O + CO2 =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + H2O + CO2
CoCl2(aq) + NaOH = Co(OH)2(s) + NaCl =>
CoCl2(aq) + 2 NaOH = Co(OH)2(s) + 2 NaCl
NOBr = NO + Br =>
NOBr = NO + Br
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Na2SO3 + KMnO4 + HCl = Na2SO4 + MnCl + KCl + H2O =>
3 Na2SO3 + KMnO4 + 2 HCl = 3 Na2SO4 + MnCl + KCl + H2O
CaI2 + HgNO3 = Ca(NO3)2 + HgI =>
CaI2 + 2 HgNO3 = Ca(NO3)2 + 2 HgI
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
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