| Équations équilibrées la veille |
4 FeS(s) + 9 O2(g) + 4 H2O(l) = 2 Fe2O3(s) + 4 H2SO4(aq)
Fe2 + PbO2 = Fe2O3 + Pb =>
2 Fe2 + 3 PbO2 = 2 Fe2O3 + 3 Pb
K2S + BaCl2 = KCl + SBa =>
K2S + BaCl2 = 2 KCl + SBa
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
CuSO4 + Al = Al2SO4 + Cu4 =>
4 CuSO4 + 8 Al = 4 Al2SO4 + Cu4
KOH + V = V(OH)2 + K =>
2 KOH + V = V(OH)2 + 2 K
CH3 + Br2 = CH2Br + HBr2 =>
2 CH3 + 3 Br2 = 2 CH2Br + 2 HBr2
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
C2H2O4 + CH4O = C4H8O4 + H2O =>
4 C2H2O4 + 12 CH4O = 5 C4H8O4 + 8 H2O
NaAuO2 + H2O2 = Au + NaOH + O2 =>
2 NaAuO2 + H2O2 = 2 Au + 2 NaOH + 2 O2
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
CH3(CH2)CH3 + O2 = CO2 + H2O =>
CH3(CH2)CH3 + 5 O2 = 3 CO2 + 4 H2O
Pb(NO3)2 + Na2C2O4 = PbC2O4 + Na(NO3) =>
Pb(NO3)2 + Na2C2O4 = PbC2O4 + 2 Na(NO3)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C16H26O5 + O2 = CO2 + H2O =>
C16H26O5 + 20 O2 = 16 CO2 + 13 H2O
CH3OH + O2 = HCHO2 + H2O =>
CH3OH + O2 = HCHO2 + H2O
Cu2O + BaCO3 = BaCu2O2 + CO2 =>
Cu2O + BaCO3 = BaCu2O2 + CO2
PbF2 + H2O = PbOH + HF2 =>
PbF2 + H2O = PbOH + HF2
Co + Ag = AgCo =>
Co + Ag = AgCo
HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + H2O =>
2 HC2H3O2 + Sr(OH)2 = Sr(C2H3O2)2 + 2 H2O
K2CO + CaCl2 = KCl + CaCO =>
K2CO + CaCl2 = 2 KCl + CaCO
CH3COOH + H2O = CH2COO + H3O =>
CH3COOH + 2 H2O = CH2COO + 2 H3O
KNO3 + Si = OSi + KNO2 =>
KNO3 + Si = OSi + KNO2
Al2(SO4)2 + CaOH = AlOH + Ca(SO4) =>
Al2(SO4)2 + 2 CaOH = 2 AlOH + 2 Ca(SO4)
Al2O3 + Na = Na2O + Al =>
Al2O3 + 6 Na = 3 Na2O + 2 Al
ClO{-} + Cr(OH)4{-} + OH{-} = CrO4{-2} + Cl{-} + H2O =>
3 ClO{-} + 2 Cr(OH)4{-} + 2 OH{-} = 2 CrO4{-2} + 3 Cl{-} + 5 H2O
Pb(NO3)2 + Na2C2O4 = PbC2O4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2C2O4 = PbC2O4 + Na2(NO3)2
AlCl3 + NH4OH = Al(OH)3 + NH4Cl =>
AlCl3 + 3 NH4OH = Al(OH)3 + 3 NH4Cl
NH3 + H2O = NH3*H2O = NH4 + OH =>
NH3 + H2O = NH3*H2O
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
C5H5N + O2 = H2O + C02 + N2 =>
4 C5H5N + 5 O2 = 10 H2O + 10 C02 + 2 N2
C6H14O + KMnO4 + H2SO4 = C6H12O + MnSO4 + K2SO4 + H2O =>
5 C6H14O + 2 KMnO4 + 3 H2SO4 = 5 C6H12O + 2 MnSO4 + K2SO4 + 8 H2O
Cu() + AgNO3() = Cu(NO3)3() + Ag() =>
Cu() + 3 AgNO3() = Cu(NO3)3() + 3 Ag()
Zn3(PO4)2 + Na2O = ZnO + Na3PO4 =>
Zn3(PO4)2 + 3 Na2O = 3 ZnO + 2 Na3PO4
Pb(NO3)2 = Pb0 + NO2 + O2 =>
Pb(NO3)2 = Pb0 + 2 NO2 + O2
HBr(aq) + NaNO3(aq) = NaBr(aq) + HNO3(aq) =>
HBr(aq) + NaNO3(aq) = NaBr(aq) + HNO3(aq)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Hg(NO3)2*H2O + NaOH = HgO + NaNO3 + H2O =>
Hg(NO3)2*H2O + 2 NaOH = HgO + 2 NaNO3 + 2 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
C3H7COOH + CH3OH = C3H7COCH3 + H2O =>
C3H7COOH + 6 CH3OH = 2 C3H7COCH3 + 6 H2O
Cs + HCl = H2 + CsCl2 =>
Cs + 2 HCl = H2 + CsCl2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + SrCl2 = H2Cl2 + SrSO4 =>
H2SO4 + SrCl2 = H2Cl2 + SrSO4
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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