| Équations équilibrées la veille |
2 Ni(NO3)2*6H2O = 2 NiO + 2 N2 + 5 O2 + 12 H2O
HCl(aq) + Na2SO3 = SO2 + NaCl + H2O =>
2 HCl(aq) + Na2SO3 = SO2 + 2 NaCl + H2O
Li + CO2 = Li2CO2 =>
2 Li + CO2 = Li2CO2
PbS + HCl + HNO3 = PbCl2 + H2SO4 + NO2 + H2O =>
PbS + 2 HCl + 8 HNO3 = PbCl2 + H2SO4 + 8 NO2 + 4 H2O
H2O2 + CrCl3 + KOH = K2CrO4 + KCl + H2O =>
3 H2O2 + 2 CrCl3 + 10 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Si + HCl = SiCl4 + H2 =>
Si + 4 HCl = SiCl4 + 2 H2
CH4 + N2 + O2 = NH3 + CO2 =>
3 CH4 + 2 N2 + 3 O2 = 4 NH3 + 3 CO2
LiBr + Co(SO3) = Li2SO3 + CoBr2 =>
2 LiBr + Co(SO3) = Li2SO3 + CoBr2
Fr2O + H2O = Fr(OH) =>
Fr2O + H2O = 2 Fr(OH)
HCl(l) + NaOH(aq) = NaCl(s) + H2O(g) =>
HCl(l) + NaOH(aq) = NaCl(s) + H2O(g)
Na2S2O3 + Cl2 = NaCl + S2O3 =>
Na2S2O3 + Cl2 = 2 NaCl + S2O3
Pb(ClO2)2 + Mn(NO2)2 = Pb(NO2)2 + Mn(ClO2)2 =>
Pb(ClO2)2 + Mn(NO2)2 = Pb(NO2)2 + Mn(ClO2)2
Mn + H2O = Mn2O3 + H2 =>
2 Mn + 3 H2O = Mn2O3 + 3 H2
Fe2O3 + KNO3 + NaOH = K2FeO4 + KNO2 + H2O + NaNO3 =>
Fe2O3 + 7 KNO3 + 4 NaOH = 2 K2FeO4 + 3 KNO2 + 2 H2O + 4 NaNO3
Pb + NaOH + H2O = Na2PbO3 + H2 =>
Pb + 2 NaOH + H2O = Na2PbO3 + 2 H2
Br2 + SO3{2-} + H2O = Br{-} + SO4{2-} + H3O{+} =>
Br2 + SO3{2-} + 3 H2O = 2 Br{-} + SO4{2-} + 2 H3O{+}
CoCl2(H2O)6 + NH4Cl + NH4OH + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2(H2O)6 + 2 NH4Cl + 10 NH4OH + H2O2 = 2[Co(NH3)6]Cl3 + 24 H2O
(NH4)2CO3 + Ca(OH)2 = NH4OH + CaCO3 =>
(NH4)2CO3 + Ca(OH)2 = 2 NH4OH + CaCO3
C3H10N2 + O2 = CO2 + H2O + N2O5 =>
C3H10N2 + 8 O2 = 3 CO2 + 5 H2O + N2O5
Na2S2O3 + CH3COOH = CH3COONa + H2S2O3 =>
Na2S2O3 + 2 CH3COOH = 2 CH3COONa + H2S2O3
Sn(s) + NaOH(aq) = Na2SnO2(aq) + H2(g) =>
Sn(s) + 2 NaOH(aq) = Na2SnO2(aq) + H2(g)
(NH4)2Cr2O7 + NaOH = Na2Cr2O7 + NH3 + H2O =>
(NH4)2Cr2O7 + 2 NaOH = Na2Cr2O7 + 2 NH3 + 2 H2O
Fe(SCN)3 = Fe + S8 + C + N2 =>
8 Fe(SCN)3 = 8 Fe + 3 S8 + 24 C + 12 N2
P + Ca(OH)2 + H2O = PH3 + Ca(H2PO4)2 =>
16 P + 3 Ca(OH)2 + 18 H2O = 10 PH3 + 3 Ca(H2PO4)2
C2H4 + HNO3 = CO2 + N2 + H2O =>
5 C2H4 + 12 HNO3 = 10 CO2 + 6 N2 + 16 H2O
Al + NH4OH = Al(OH)3 + NH3 + H2 =>
2 Al + 6 NH4OH = 2 Al(OH)3 + 6 NH3 + 3 H2
N2H4 + HCl = N2H4Cl + H =>
N2H4 + HCl = N2H4Cl + H
H2SnO3 + NaOH = Na2SnO3 + H2O =>
H2SnO3 + 2 NaOH = Na2SnO3 + 2 H2O
AgNO3 + KPO4 = (Ag)6(PO4)2 + (K)2(NO3)6 =>
6 AgNO3 + 2 KPO4 = (Ag)6(PO4)2 + (K)2(NO3)6
Co(OH)2(s) + HNO3(aq) = Co(NO3)2(s) + H2O(l) =>
Co(OH)2(s) + 2 HNO3(aq) = Co(NO3)2(s) + 2 H2O(l)
FeBr3 + HNO3 = Fe(NO3)3 + NO + H2O + Br2 =>
2 FeBr3 + 8 HNO3 = 2 Fe(NO3)3 + 2 NO + 4 H2O + 3 Br2
N2H4 + Zn + KOH + H2O = NH3 + K2(Zn(OH)4) =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2(Zn(OH)4)
CH3CH2OH + H2O = CH3COOH + H2 =>
CH3CH2OH + H2O = CH3COOH + 2 H2
PH3O4 + NaOH = H2O + Na3PO4 =>
PH3O4 + 3 NaOH = 3 H2O + Na3PO4
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
CH3CH2OH + H2O = CH3COOH + H2 =>
CH3CH2OH + H2O = CH3COOH + 2 H2
Co(OH)2(s) + HNO3(aq) = Co(NO3)2(s) + H2O(l) =>
Co(OH)2(s) + 2 HNO3(aq) = Co(NO3)2(s) + 2 H2O(l)
Fe2O3 + C2H6 = Fe3O4 + CO2 + H2O =>
21 Fe2O3 + C2H6 = 14 Fe3O4 + 2 CO2 + 3 H2O
CaCO3 + HCOOH = Ca(COOH)2 + CO2 + H2O =>
CaCO3 + 2 HCOOH = Ca(COOH)2 + CO2 + H2O
Cu(NO3) = Cu + NO3 =>
Cu(NO3) = Cu + NO3
KMnO4 + C6H12O6 = CO2 + MnO + K2CO3 + H2O =>
24 KMnO4 + 5 C6H12O6 = 18 CO2 + 24 MnO + 12 K2CO3 + 30 H2O
C2H6 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 C2H6 + 6 KMnO4 + 9 H2SO4 = 5 CH3COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
Na(OH) + HC2H3O2 = Na(C2H3O2) + H2O =>
Na(OH) + HC2H3O2 = Na(C2H3O2) + H2O
CH3CH2OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Fe(NO3)3(aq) + H2SO4(aq) = Fe2(SO4)3(s) + HNO3(aq) =>
2 Fe(NO3)3(aq) + 3 H2SO4(aq) = Fe2(SO4)3(s) + 6 HNO3(aq)
Ce + H2O = Ce(OH)2 + H2 =>
Ce + 2 H2O = Ce(OH)2 + H2
[Ag(NH3)2] + HNO3 = Ag + NH4 + NO3 =>
[Ag(NH3)2] + 2 HNO3 = Ag + 2 NH4 + 2 NO3
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