| Équations équilibrées la veille |
2 H2O2 + 2 NaHSO3 = Na2SO4 + 2 H2O + H2SO4
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
SrO + HBr = SrBr2 + H2O =>
SrO + 2 HBr = SrBr2 + H2O
Ge72F4 + H2O = HF + Ge72(OH)4 =>
Ge72F4 + 4 H2O = 4 HF + Ge72(OH)4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
PbCl2 + Ba(OH)2 = Pb(OH)2 + BaCl2 =>
PbCl2 + Ba(OH)2 = Pb(OH)2 + BaCl2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Na2SO3 + K2Cr2O7 + KHSO4 = Cr2(SO4)3 + Na2SO4 + K2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 8 KHSO4 = Cr2(SO4)3 + 3 Na2SO4 + 5 K2SO4 + 4 H2O
Au + H2S + H2O = Au2(SO4)3 + H2 =>
2 Au + 3 H2S + 12 H2O = Au2(SO4)3 + 15 H2
ZnO + HC1 = ZnC2 + H2O =>
ZnO + 2 HC1 = ZnC2 + H2O
Cu(NO3)2(s) + NaOH(s) = NaNO3(s) + Cu(OH)2(s) =>
Cu(NO3)2(s) + 2 NaOH(s) = 2 NaNO3(s) + Cu(OH)2(s)
Pt + HCl = PtCl + H2 =>
2 Pt + 2 HCl = 2 PtCl + H2
C4H8 + CO + CH3OH = C6H10O4 =>
C4H8 + 5 CO + 3 CH3OH = 2 C6H10O4
Cr(OH)3 + OH{-} = CrO4{2-} + H2O + e =>
Cr(OH)3 + 5 OH{-} = CrO4{2-} + 4 H2O + 3e
C6H8O7 + KOH = C6H7O7K + H2O =>
C6H8O7 + KOH = C6H7O7K + H2O
Ni(NO3)2*6H2O + Na2CO3 = Na2(NO3)2 + CO3Ni + H2O =>
Ni(NO3)2*6H2O + Na2CO3 = Na2(NO3)2 + CO3Ni + 6 H2O
Zn(CN)2 + Al = Al(CN)3 + Zn =>
3 Zn(CN)2 + 2 Al = 2 Al(CN)3 + 3 Zn
I2 + NaF2 = IF + Na =>
I2 + NaF2 = 2 IF + Na
NH4OH + KOH + I2 = N2 + KI + H2O =>
2 NH4OH + 6 KOH + 3 I2 = N2 + 6 KI + 8 H2O
C2H2(aq) + O2(g) = CO2(g) + H2O =>
2 C2H2(aq) + 5 O2(g) = 4 CO2(g) + 2 H2O
AgCl + (NH4)2S = NH4Cl + Ag2S =>
2 AgCl + (NH4)2S = 2 NH4Cl + Ag2S
HCl + H2O + KOCN = NH4Cl + CO2 + KCl =>
2 HCl + H2O + KOCN = NH4Cl + CO2 + KCl
Fe(NO3)3 + Na2S = Fe2S3 + Na(NO3) =>
2 Fe(NO3)3 + 3 Na2S = Fe2S3 + 6 Na(NO3)
C3H + O2 = CO2 + H2O =>
4 C3H + 13 O2 = 12 CO2 + 2 H2O
(C2)4H5O10H + O2 = CO2 + H6 =>
(C2)4H5O10H + 3 O2 = 8 CO2 + H6
Ca3(PO4)2 + SiO2 = P4O10 + CaSiO3 =>
2 Ca3(PO4)2 + 6 SiO2 = P4O10 + 6 CaSiO3
CH9H20 + O2 = CO2 + H2O =>
4 CH9H20 + 33 O2 = 4 CO2 + 58 H2O
Ca(HSO3)2 = Ca(OH)2 + SO2 =>
Ca(HSO3)2 = Ca(OH)2 + 2 SO2
H2SO4 + FeSO4 + NaNO3 = NO + Fe2(SO4)3 + H2O + Na2SO4 =>
4 H2SO4 + 6 FeSO4 + 2 NaNO3 = 2 NO + 3 Fe2(SO4)3 + 4 H2O + Na2SO4
H2O + Cr{3+} + ClO3{-} = Cr2O7{2-} + ClO2 + H{+} =>
H2O + 2 Cr{3+} + 6 ClO3{-} = Cr2O7{2-} + 6 ClO2 + 2 H{+}
Fe(OH)4 = Fe + OH =>
Fe(OH)4 = Fe + 4 OH
C3H + O2 = CO2 + H2O =>
4 C3H + 13 O2 = 12 CO2 + 2 H2O
HCl(aq) + Z(s) = ZCl2(aq) + H2(g) =>
2 HCl(aq) + Z(s) = ZCl2(aq) + H2(g)
Pb + Ar = PbAr =>
Pb + Ar = PbAr
Cu + CO2 + O2 + H2O = CuCO3*Cu(OH)2 =>
2 Cu + CO2 + O2 + H2O = CuCO3*Cu(OH)2
CH2O2 + NaOH = HCOONa + H2O =>
CH2O2 + NaOH = HCOONa + H2O
Zr + V2O5 = ZrO2 + V2O3 =>
Zr + V2O5 = ZrO2 + V2O3
Bi + KJ = BiJ + K =>
Bi + KJ = BiJ + K
NO2ClO4 + Al = Al2O3 + N2 + Cl2 =>
2 NO2ClO4 + 8 Al = 4 Al2O3 + N2 + Cl2
Sn2O2 + Sm2O3 + O2 = SmSnO3 =>
2 Sn2O2 + 2 Sm2O3 + O2 = 4 SmSnO3
CaO + Cl = CaCl2 + O =>
CaO + 2 Cl = CaCl2 + O
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
W + Se = WSe2 =>
W + 2 Se = WSe2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
HNO3 + KI + KCrO4 = Cr(NO3)3 + H2O + KNO3 + I2 =>
8 HNO3 + 4 KI + KCrO4 = Cr(NO3)3 + 4 H2O + 5 KNO3 + 2 I2
Li3PO4 + Pb(C2H3O2)2 = Pb3(PO4)2 + Li(C2H3O2) =>
2 Li3PO4 + 3 Pb(C2H3O2)2 = Pb3(PO4)2 + 6 Li(C2H3O2)
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
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