Équations équilibrées la veille |
2 HCl + CaO = CaCl2 + H2O
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
C7H8S + O2 = CO2 + H2O + S =>
C7H8S + 9 O2 = 7 CO2 + 4 H2O + S
CaCl2 + VBr3 = CaBr2 + VCl3 =>
3 CaCl2 + 2 VBr3 = 3 CaBr2 + 2 VCl3
NaHCO3(s) + C2H4O2(l) = CO2(g) + H2O(l) + NaC2H3O2(aq) =>
NaHCO3(s) + C2H4O2(l) = CO2(g) + H2O(l) + NaC2H3O2(aq)
C7H8 + H2O = CH4 + HCO3{-} + H{+} =>
2 C7H8 + 15 H2O = 9 CH4 + 5 HCO3{-} + 5 H{+}
FeCl3 + (NH4)2S + H2O = Fe(OH)3 + NH4Cl + H2S =>
2 FeCl3 + 3(NH4)2S + 6 H2O = 2 Fe(OH)3 + 6 NH4Cl + 3 H2S
C2H4NH2 + O2 = CO2 + H2O + N2 =>
2 C2H4NH2 + 7 O2 = 4 CO2 + 6 H2O + N2
NiS + FeBr2 = FeS2 + NiBr =>
2 NiS + FeBr2 = FeS2 + 2 NiBr
FeSO3 + K2Cr2O7 + H2O + NaOH = Fe(OH)3 + K[Cr(OH)] + Na2SO4 =>
4 FeSO3 + K2Cr2O7 + 3 H2O + 8 NaOH = 4 Fe(OH)3 + 2 K[Cr(OH)] + 4 Na2SO4
Zn(NO3)2 + NaHCO3 = Zn(HCO3)2 + NaNO3 =>
Zn(NO3)2 + 2 NaHCO3 = Zn(HCO3)2 + 2 NaNO3
KCl + Cr2O3 + H2O2 = K2CrO4 + HCl + H2O =>
4 KCl + Cr2O3 + 3 H2O2 = 2 K2CrO4 + 4 HCl + H2O
Ni(OH)2(s) + HCl(aq) = NiCl2(s) + H2O(l) =>
Ni(OH)2(s) + 2 HCl(aq) = NiCl2(s) + 2 H2O(l)
CH3COOH(aq) + NaOH = CH3COOCNa + H2O =>
3 CH3COOH(aq) + 2 NaOH = 2 CH3COOCNa + 4 H2O
Br2 + HgO = Br2O + HgBr2 =>
2 Br2 + HgO = Br2O + HgBr2
AgNo3(aq) + CaCl2(aq) = AgCl(s) + Ca(No3)2(aq) =>
2 AgNo3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(No3)2(aq)
Cu + HNO3 = CuO + NO2 + H2O =>
Cu + 2 HNO3 = CuO + 2 NO2 + H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
CoCl2 + NH4SCN = [Co(SCN)4] + Cl + NH4 =>
CoCl2 + 4 NH4SCN = [Co(SCN)4] + 2 Cl + 4 NH4
Fe(OH)2 + (NH4)2S = FeS + NH4OH =>
Fe(OH)2 + (NH4)2S = FeS + 2 NH4OH
CH3CH(OH)COOK + HBr = CH3CH(OH)COOBr + HK =>
CH3CH(OH)COOK + HBr = CH3CH(OH)COOBr + HK
NaCl + LiI = LiCl + NaI =>
NaCl + LiI = LiCl + NaI
Fe2 + PbSO4 = FeSO4 + Pb =>
Fe2 + 2 PbSO4 = 2 FeSO4 + 2 Pb
NaCl + LiI = LiCl + NaI =>
NaCl + LiI = LiCl + NaI
BaSO4 + NaHCO3 = BaCO3 + Na2SO4 + H2O + CO2 =>
BaSO4 + 2 NaHCO3 = BaCO3 + Na2SO4 + H2O + CO2
MgCO3 + H2SO4 = MgSO4 + H2O + CO2 =>
MgCO3 + H2SO4 = MgSO4 + H2O + CO2
Mn(OH)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 Mn(OH)2 + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 6 H2O
Na2(PO4) + Ag(NO3) = Na(NO3) + Ag2(PO4) =>
Na2(PO4) + 2 Ag(NO3) = 2 Na(NO3) + Ag2(PO4)
NaSO4 + Ba2 = BaSO4 + Na =>
2 NaSO4 + Ba2 = 2 BaSO4 + 2 Na
N2 + HNO3 = HNO2 + NO =>
N2 + 2 HNO3 = 2 HNO2 + 2 NO
Fe2O3(s) + H2O = Fe(OH)3 =>
Fe2O3(s) + 3 H2O = 2 Fe(OH)3
CoSO4*7H2O + NH3 + S2O8 + H2O2 = Co2O2(NH3)10(HSO4)3(SO4)2 + H2O =>
4 CoSO4*7H2O + 20 NH3 + 3 S2O8 + H2O2 = 2 Co2O2(NH3)10(HSO4)3(SO4)2 + 26 H2O
Ba(OH)2 + H2SeO4 = Ba(HSeO4)2 + H2O =>
Ba(OH)2 + 2 H2SeO4 = Ba(HSeO4)2 + 2 H2O
NaHCO3(s)CH3CO2H(aq) = NaCH3CO2(aq)CO2(g)H2O(l) =>
NaHCO3(s)CH3CO2H(aq) = NaCH3CO2(aq)CO2(g)H2O(l)
CH3OH + H2SO4 = CH3OH2{+} + HSO4{-} =>
CH3OH + H2SO4 = CH3OH2{+} + HSO4{-}
Ba(OH)2 + Cl2 = BaClO3 + BaCl + H2O =>
6 Ba(OH)2 + 3 Cl2 = 2 BaClO3 + 4 BaCl + 6 H2O
MnO + HNO3 = MnNO3 + HO =>
MnO + HNO3 = MnNO3 + HO
Hg(NO3)2 + NH4OH = [Hg2ONH2]NO3 + NH4NO3 + H2O =>
2 Hg(NO3)2 + 4 NH4OH = [Hg2ONH2]NO3 + 3 NH4NO3 + 3 H2O
C3H7OH + PCl3 = C3H7Cl + P(OH)3 =>
3 C3H7OH + PCl3 = 3 C3H7Cl + P(OH)3
K2O + O2 + Fe2O3 = KFeO3 =>
K2O + O2 + Fe2O3 = 2 KFeO3
Y(NO3)3 + Al(NO3)3 + CH4N2O = Y3Al5O12 + CO2 + H2O + N2 =>
3 Y(NO3)3 + 5 Al(NO3)3 + 20 CH4N2O = Y3Al5O12 + 20 CO2 + 40 H2O + 32 N2
NaSO4 + NaOH = Na2(OH)SO4 =>
NaSO4 + NaOH = Na2(OH)SO4
PO4 + Na + H = NaH2PO4 =>
PO4 + Na + 2 H = NaH2PO4
CuS04 + Fe = FeS04 + Cu =>
CuS04 + Fe = FeS04 + Cu
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
NH4C2H3O2 + HCl = NH4 + Cl + HC2H3O2 =>
NH4C2H3O2 + HCl = NH4 + Cl + HC2H3O2
C6H12O6 + Li2 = C6H12O6Li2 =>
C6H12O6 + Li2 = C6H12O6Li2
PbO2(s) + H2CO3 = Pb2(CO3)4 + H2O =>
2 PbO2(s) + 4 H2CO3 = Pb2(CO3)4 + 4 H2O
CrO4{2-}(aq) + H{+}(aq) = Cr2O7{2-}(aq) + H2O(l) =>
2 CrO4{2-}(aq) + 2 H{+}(aq) = Cr2O7{2-}(aq) + H2O(l)
Co(OH)2 + NaClO + NaOH = NaCoO(OH)2 + NaCl + H2O =>
2 Co(OH)2 + NaClO + 2 NaOH = 2 NaCoO(OH)2 + NaCl + H2O
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