Équations équilibrées la veille |
C6H10O5H2O = 2 C2H5OHCO2
[Cd(NH3)4]SO4 + HCl = CdSO4 + NH4Cl =>
[Cd(NH3)4]SO4 + 4 HCl = CdSO4 + 4 NH4Cl
Na2S2O3 + J2 = Na2S4O6 + NaJ =>
2 Na2S2O3 + J2 = Na2S4O6 + 2 NaJ
NiCl3 + O2 = NiO + Cl2O5 =>
4 NiCl3 + 17 O2 = 4 NiO + 6 Cl2O5
FeO + Ca = Fe + CaO2 =>
2 FeO + Ca = 2 Fe + CaO2
(Na2B4O7*10H2O) + H2SO4 = B(OH)3 + Na2SO4 + H2O =>
(Na2B4O7*10H2O) + H2SO4 = 4 B(OH)3 + Na2SO4 + 5 H2O
NaOH(s)NaOH(s) = Na2O(s)H2O(g) =>
NaOH(s)NaOH(s) = Na2O(s)H2O(g)
C3H5OH(l) + O2(g) = H2O + CO2 =>
C3H5OH(l) + 4 O2(g) = 3 H2O + 3 CO2
HCl + Pt = HPtCl =>
HCl + Pt = HPtCl
ZnO + NaOH = H2O + Na2ZnO2 =>
ZnO + 2 NaOH = H2O + Na2ZnO2
HNO3 + Pb3O4 = PbO2 + Pb(NO3)2 + H2 =>
2 HNO3 + Pb3O4 = 2 PbO2 + Pb(NO3)2 + H2
Na2SO3 + HNO3 = NaNO3 + H2SO3* =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2SO3*
C2H5NO2 + O2 = CO2 + N2 + H2O =>
4 C2H5NO2 + 9 O2 = 8 CO2 + 2 N2 + 10 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
CH3CH2Cl + NaOH = CH3CH2OH + NaCl =>
CH3CH2Cl + NaOH = CH3CH2OH + NaCl
Ca(NO3)2 + NaCO3 = Ca(CO3)2 + Na(NO3) =>
Ca(NO3)2 + 2 NaCO3 = Ca(CO3)2 + 2 Na(NO3)
Ni(H2O)6{2+} + NH3 = Ni(NH3)6{2+} + H2O =>
Ni(H2O)6{2+} + 6 NH3 = Ni(NH3)6{2+} + 6 H2O
AgNO3 + AgCl = Ag + NO3Cl =>
AgNO3 + AgCl = 2 Ag + NO3Cl
NiCl2*6H2O + NH4OH = Ni(NH3)6Cl2*6H2O + H2O =>
NiCl2*6H2O + 6 NH4OH = Ni(NH3)6Cl2*6H2O + 6 H2O
Cr2O4 + Na2CO3 + KNO3 = Na2CrO4 + KNO2 + CO2 =>
Cr2O4 + 2 Na2CO3 + 2 KNO3 = 2 Na2CrO4 + 2 KNO2 + 2 CO2
Cu(NO3)2 + KMnO4 = CuMnO4 + K(NO3)2 =>
Cu(NO3)2 + KMnO4 = CuMnO4 + K(NO3)2
ZnBr + H2 = HBr + Zn =>
2 ZnBr + H2 = 2 HBr + 2 Zn
BaCl2 + NH3 = BaCl2NH3 =>
BaCl2 + NH3 = BaCl2NH3
CaCl2 + Fe2O3 = CaO + FeCl3 =>
3 CaCl2 + Fe2O3 = 3 CaO + 2 FeCl3
Sr + OH = Sr(OH) =>
Sr + OH = Sr(OH)
HCl + KMnO4 = H2O + KCl + MnCl2 + Cl =>
8 HCl + KMnO4 = 4 H2O + KCl + MnCl2 + 5 Cl
AgSCN + FeCl3 = Fe(SCN)3 + AgCl =>
3 AgSCN + FeCl3 = Fe(SCN)3 + 3 AgCl
K3PO4 + HClO4 = H3PO4 + KClO4 =>
K3PO4 + 3 HClO4 = H3PO4 + 3 KClO4
Ca3(PO4)2 + NaCl = CaCl2 + Na3PO4 =>
Ca3(PO4)2 + 6 NaCl = 3 CaCl2 + 2 Na3PO4
H2NOH + Ag2O = H2N2O2 + Ag + H2O =>
2 H2NOH + 2 Ag2O = H2N2O2 + 4 Ag + 2 H2O
Fe2O3(s) + Mg(s) = MgO(s) + Fe2(s) =>
Fe2O3(s) + 3 Mg(s) = 3 MgO(s) + Fe2(s)
MgOSO3 = MgSO4 =>
MgOSO3 = MgSO4
AgNO3 + Fe(Br)3 = Fe(NO3)3 + AgBr =>
3 AgNO3 + Fe(Br)3 = Fe(NO3)3 + 3 AgBr
Pb + H2SO4 + O2 = PbSO4 + H2O2 =>
Pb + H2SO4 + O2 = PbSO4 + H2O2
Cu2S + HCl = CuCl + H2S =>
Cu2S + 2 HCl = 2 CuCl + H2S
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
H[AuCl4] + HSnCl3 + HCl = Au + H2[SnCl6] =>
2 H[AuCl4] + 3 HSnCl3 + HCl = 2 Au + 3 H2[SnCl6]
FeS + HNO3 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
3 FeS + 12 HNO3 = Fe(NO3)3 + Fe2(SO4)3 + 9 NO + 6 H2O
P + O2 = PO52 =>
P + 26 O2 = PO52
NaOH(aq) + AgNO3(aq) = AgOH(aq) + NaNO3(aq) =>
NaOH(aq) + AgNO3(aq) = AgOH(aq) + NaNO3(aq)
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3 =>
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3
Ca + HNO3 = Ca(NO3)2 + H2O + N2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + 5 H2O + N2O
Ba(OH)2 + NO2 = Ba(NO2)2 + Ba(NO3)2 + H2O =>
2 Ba(OH)2 + 4 NO2 = Ba(NO2)2 + Ba(NO3)2 + 2 H2O
HCO2H + NaOH = NaHCO2 + H2O =>
HCO2H + NaOH = NaHCO2 + H2O
PBr3 + H2SO4 = Br2 + SO2 + H3PO4 + H2O =>
2 PBr3 + 5 H2SO4 = 3 Br2 + 5 SO2 + 2 H3PO4 + 2 H2O
CH3CHNH2COOHNaNO2HCl = CH3CHOHCOOHN2NaClH2O =>
CH3CHNH2COOHNaNO2HCl = CH3CHOHCOOHN2NaClH2O
K2Cr2O7 + KNO2 + H2SO4 = KNO3 + Cr(SO4)3 + K2SO4 + H2 =>
K2Cr2O7 + 7 KNO2 + 7 H2SO4 = 7 KNO3 + 2 Cr(SO4)3 + K2SO4 + 7 H2
NaHC(OOO) = C(OO) + (HH)O + (NaNa)C(OOO) =>
2 NaHC(OOO) = C(OO) + (HH)O + (NaNa)C(OOO)
Fe + Cl3 + NH4OH = Fe(OH)3 + NH4Cl =>
Fe + Cl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
CaCl2 + CaCO3 = CaClO3 + CaC2 =>
CaCl2 + 2 CaCO3 = 2 CaClO3 + CaC2
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