| Équations équilibrées la veille |
2 H2SO = 2 H2S + O2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
KHCO3 + H + PO4 = K2HPO4 + H2O + CO2 =>
2 KHCO3 + 3 H + PO4 = K2HPO4 + 2 H2O + 2 CO2
Li2O + H2SO4 = Li2 + SO4 + H2O =>
Li2O + H2SO4 = Li2 + SO4 + H2O
NaNO3 + Fe(OH)3 = Fe(NO3)3 + NaOH =>
3 NaNO3 + Fe(OH)3 = Fe(NO3)3 + 3 NaOH
Na2SO4 = Na2O + O2 + S =>
2 Na2SO4 = 2 Na2O + 3 O2 + 2 S
Ca(NO3)2 + NaF = CaF2 + Na2(NO3)2 =>
Ca(NO3)2 + 2 NaF = CaF2 + Na2(NO3)2
Br2(g) + FeI2(aq) = FeBr2(aq) + I2(g) =>
Br2(g) + FeI2(aq) = FeBr2(aq) + I2(g)
Ag(NO3) + H2SO4 = Ag2SO4 + H(NO3) =>
2 Ag(NO3) + H2SO4 = Ag2SO4 + 2 H(NO3)
ZnOH + CH3OOH = ZnCH3COO + H2O =>
ZnOH + 2 CH3OOH = ZnCH3COO + 3 H2O
Cu3N + NaOH = CuOH + Na3N =>
Cu3N + 3 NaOH = 3 CuOH + Na3N
Mn{2+} + MnO4{-} + OH{-} = MnO2(s) + H2O =>
3 Mn{2+} + 2 MnO4{-} + 4 OH{-} = 5 MnO2(s) + 2 H2O
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
Sn + H2SO4 = SnO2 + H2 + SO2 =>
Sn + H2SO4 = SnO2 + H2 + SO2
Zn + O3 = ZnO2 =>
3 Zn + 2 O3 = 3 ZnO2
C2H2(NH2)COOH + O2 = CO2 + NH3 + H2O =>
2 C2H2(NH2)COOH + 5 O2 = 6 CO2 + 2 NH3 + 2 H2O
H2C4H4O5 + NaOH = Na2C2H4O4 + H2O =>
H2C4H4O5 + 4 NaOH = 2 Na2C2H4O4 + H2O
Br(OH)2 + HCl = BrCl2 + H2O =>
Br(OH)2 + 2 HCl = BrCl2 + 2 H2O
ZnO2 + HCl = ZnCl2 + H2O2 =>
ZnO2 + 2 HCl = ZnCl2 + H2O2
(K)2Cr2O7 + HCl = Cl2 + CrCl3 + KCl + H2O =>
(K)2Cr2O7 + 14 HCl = 3 Cl2 + 2 CrCl3 + 2 KCl + 7 H2O
KH2SbO4 + NaCl = NaH2SbO4 + KCl =>
KH2SbO4 + NaCl = NaH2SbO4 + KCl
Fe + CuO2 = Cu + Fe2O3 =>
4 Fe + 3 CuO2 = 3 Cu + 2 Fe2O3
C12H22O11(aq) + H2O(l) = CH3CH2OH(aq) + CO2 =>
C12H22O11(aq) + H2O(l) = 4 CH3CH2OH(aq) + 4 CO2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
Fe + ZnS = Fe2S3 + Zn =>
2 Fe + 3 ZnS = Fe2S3 + 3 Zn
I2 + S2O3{2-} + KI = I{-} + KS4O6{2-}{+} =>
I2 + 4 S2O3{2-} + 2 KI = 4 I{-} + 2 KS4O6{2-}{+}
Na3[Al(OH)6] + HNO3 = Al(NO3)3 + NaNO3 + H2O =>
Na3[Al(OH)6] + 6 HNO3 = Al(NO3)3 + 3 NaNO3 + 6 H2O
Ag2Cr2O7 + KNo3 = AgNo3 + K2Cr2O7 =>
Ag2Cr2O7 + 2 KNo3 = 2 AgNo3 + K2Cr2O7
ZnN2H12O12 + C2H2O4 = ZnO + N2 + CO2 + H2O =>
ZnN2H12O12 + 5 C2H2O4 = ZnO + N2 + 10 CO2 + 11 H2O
CrK2O4 + HCl = KCl + H2CrO4 =>
CrK2O4 + 2 HCl = 2 KCl + H2CrO4
Zn(s) + CuSo4(aq) = ZnSo4(aq) + Cu(s) =>
Zn(s) + CuSo4(aq) = ZnSo4(aq) + Cu(s)
Nb + I = I8Nb3 =>
3 Nb + 8 I = I8Nb3
Na2SO4 + MnO2 + NaOH = Na2SO3 + NaMnO4 + H2O =>
3 Na2SO4 + 2 MnO2 + 2 NaOH = 3 Na2SO3 + 2 NaMnO4 + H2O
Sb + H = SbH4 =>
Sb + 4 H = SbH4
H2O + Al + NaOH = Na[Al(OH)4] + H2 =>
6 H2O + 2 Al + 2 NaOH = 2 Na[Al(OH)4] + 3 H2
(CO)2 + (H)2O = (C)6(H)12(O)6 + (O)2 =>
3(CO)2 + 6(H)2O = (C)6(H)12(O)6 + 3(O)2
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
NaHSO4 + (CH3COO)2Ba = CH3COOH + CH3COONa + BaSO4 =>
NaHSO4 + (CH3COO)2Ba = CH3COOH + CH3COONa + BaSO4
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
MnO4{-}1 + Cl{-}1 + H{+} = Mn{+} + Cl2 + H2O =>
MnO4{-}1 + 6 Cl{-}1 + 8 H{+} = Mn{+} + 3 Cl2 + 4 H2O
CrO4{2-} + H{+} = Cr2O7{2-} + H2O =>
2 CrO4{2-} + 2 H{+} = Cr2O7{2-} + H2O
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
HFeO2 = Fe2O3H2O =>
2 HFeO2 = Fe2O3H2O
NaBiO3 + KI + HCl = BiCl3 + I + NaCl + KCl + H2O =>
NaBiO3 + 2 KI + 6 HCl = BiCl3 + 2 I + NaCl + 2 KCl + 3 H2O
Cr(CO)6 + O2 = CO2 + Cr2O3 =>
4 Cr(CO)6 + 15 O2 = 24 CO2 + 2 Cr2O3
F + S = FS =>
F + S = FS
CaC2O4 + HCl = CaCl2 + H2C2O4 =>
CaC2O4 + 2 HCl = CaCl2 + H2C2O4
Bi + S2 = Bi2S =>
4 Bi + S2 = 2 Bi2S
NiSO4 + H2O = H2SO4 + Ni2(OH)2SO4 =>
2 NiSO4 + 2 H2O = H2SO4 + Ni2(OH)2SO4
PH3 + HI = PH4I =>
PH3 + HI = PH4I
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Équations équilibrées sur12/20/24
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