| Équations équilibrées la veille |
NH4(aq) + OH(aq) = NH3(g) + H2O
Be + N2 = BeN =>
2 Be + N2 = 2 BeN
Cr2(SO4)3 + Na2SO4 + H2O = NaCrO2 + H2SO4 =>
Cr2(SO4)3 + Na2SO4 + 4 H2O = 2 NaCrO2 + 4 H2SO4
C240H90 + O2 = CO2 + H2O =>
2 C240H90 + 525 O2 = 480 CO2 + 90 H2O
S + AgNO3 = Ag2S + NO + O2 =>
S + 2 AgNO3 = Ag2S + 2 NO + 2 O2
N2H4 + O2 = N2O7 + H2O =>
2 N2H4 + 9 O2 = 2 N2O7 + 4 H2O
H4As2O7 + Fe(OH)2 = Fe(H2As2O7) + H2O =>
H4As2O7 + Fe(OH)2 = Fe(H2As2O7) + 2 H2O
Pb(s) + Mg(NO3)2(aq) = PbNO3(aq) + Mg(s) =>
2 Pb(s) + Mg(NO3)2(aq) = 2 PbNO3(aq) + Mg(s)
S + HNO2 = H2SO4 + NO + H2O =>
S + 6 HNO2 = H2SO4 + 6 NO + 2 H2O
XCl2(aq) + AgNO3(aq) = AgCl(s) + X(NO3)2(aq) =>
XCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + X(NO3)2(aq)
PbO2 + SO4 + H2 = PbSO4 + H2O =>
PbO2 + SO4 + 2 H2 = PbSO4 + 2 H2O
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4 =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Na2SO4
HNO3(aq) + Mg(OH)2(aq) = Mg(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Mg(OH)2(aq) = Mg(NO3)2(aq) + 2 H2O(l)
CO2(g) + H2O = C6H12O6 + O2(g) =>
6 CO2(g) + 6 H2O = C6H12O6 + 6 O2(g)
Al(s) + HCl(aq) = AlCl3(s) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(s) + 3 H2(g)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe(s) + HNO3 = Fe(NO3)2 + H2 =>
Fe(s) + 2 HNO3 = Fe(NO3)2 + H2
C3H5(NO3)3 = CO2 + N2 + H2O + O =>
2 C3H5(NO3)3 = 6 CO2 + 3 N2 + 5 H2O + O
NaBr + O2 = Na2O + Br2 =>
4 NaBr + O2 = 2 Na2O + 2 Br2
Zn(s) + P4(s) = Zn(s)P4(s) =>
Zn(s) + P4(s) = Zn(s)P4(s)
V2O5 = V + O2 =>
2 V2O5 = 4 V + 5 O2
CaCO3(s) + NaOH(aq) = Ca(OH)2(s) + Na2CO3(aq) =>
CaCO3(s) + 2 NaOH(aq) = Ca(OH)2(s) + Na2CO3(aq)
SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
Na3 + KNO3 = K2O + Na2O + N2 =>
10 Na3 + 6 KNO3 = 3 K2O + 15 Na2O + 3 N2
CO(g) + SO3(g) = CO2(g) + SO2(g) =>
CO(g) + SO3(g) = CO2(g) + SO2(g)
Co(OH)2 + Cu(OH)2 = Co2O3 + Cu + H2O =>
2 Co(OH)2 + Cu(OH)2 = Co2O3 + Cu + 3 H2O
PbO2 + Sb + NaOH = PbO + NaSbO2 + H2O =>
3 PbO2 + 2 Sb + 2 NaOH = 3 PbO + 2 NaSbO2 + H2O
Mn6 = Mn15 =>
5 Mn6 = 2 Mn15
Na2MoS4 + HCl = NaCl + H2MoS4 =>
Na2MoS4 + 2 HCl = 2 NaCl + H2MoS4
Fe3O4 + HNO3 = NO2 + Fe(NO3)3 + H2O =>
Fe3O4 + 10 HNO3 = NO2 + 3 Fe(NO3)3 + 5 H2O
Ca3(PO4)2 = CaO + P2O5Ca3(PO4)2 = CaO + P2O5 =>
2 Ca3(PO4)2 = 3 CaO + P2O5Ca3(PO4)2
FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + H2O =>
2 FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + 2 H2O
H2SO4 + KHCO3 = K2SO4 + H2O + CO2 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2O + 2 CO2
HCl + Na2CO3 = Na2C + H2O + ClO2 =>
6 HCl + 5 Na2CO3 = 5 Na2C + 3 H2O + 6 ClO2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CaSO3 + Na3(PO4) = Ca3(PO4)2 + Na2(SO3) =>
3 CaSO3 + 2 Na3(PO4) = Ca3(PO4)2 + 3 Na2(SO3)
NCl2 + K2CO3 = NCO3 + KCl =>
NCl2 + K2CO3 = NCO3 + 2 KCl
Al2 + HF = Al{3+} + H2 + F{-} =>
Al2 + 6 HF = 2 Al{3+} + 3 H2 + 6 F{-}
Tc2O7 + H{+} + {-} = Tc + H2O =>
Tc2O7 + 14 H{+} + 14e = 2 Tc + 7 H2O
HI(aq) + KHCO3(aq) = K2I + H2 + CO3 =>
2 HI(aq) + 4 KHCO3(aq) = 2 K2I + 3 H2 + 4 CO3
CuSO4 + KBr + H2SO4 = CuS + K2SO4 + Br2 + H2O =>
CuSO4 + 8 KBr + 4 H2SO4 = CuS + 4 K2SO4 + 4 Br2 + 4 H2O
Mn2 + H2O = MnO2 + H3O =>
Mn2 + 12 H2O = 2 MnO2 + 8 H3O
Zn(NO3)2 + H2O = Zn{2+} + HNO3 + OH{-} =>
Zn(NO3)2 + 2 H2O = Zn{2+} + 2 HNO3 + 2 OH{-}
MgH2O2 = MgO + H2O =>
MgH2O2 = MgO + H2O
Al(OH)3 + Zn(OH)2 = Zn(AlO2)2 + H2O =>
2 Al(OH)3 + Zn(OH)2 = Zn(AlO2)2 + 4 H2O
Bi2S3 + HNO3 = Bi[(NO3)3] + NO + S + H2O =>
Bi2S3 + 8 HNO3 = 2 Bi[(NO3)3] + 2 NO + 3 S + 4 H2O
Pb(NO3)2 + SnCl2 + NaOH = Pb + Na2[Sn(OH)6] + NaNO3 + NaCl =>
Pb(NO3)2 + SnCl2 + 6 NaOH = Pb + Na2[Sn(OH)6] + 2 NaNO3 + 2 NaCl
CO + H2O = C2H4 + OH =>
2 CO + 6 H2O = C2H4 + 8 OH
Pb + Na2Cr2O7 = PbCr2O7 + Na =>
Pb + Na2Cr2O7 = PbCr2O7 + 2 Na
H2O + FeSO4 = H2SO4 + FeO =>
H2O + FeSO4 = H2SO4 + FeO
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Équations équilibrées sur12/11/24
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