| Équations équilibrées la veille |
(NH4)2SO4 + Na2S + 2 H2O = H2S + Na2SO4 + 2 NH4OH
K2CrO4 + CO2 + H2O = K2Cr2O7 + KHCO3 =>
2 K2CrO4 + 2 CO2 + H2O = K2Cr2O7 + 2 KHCO3
H2 + Br = H2Br =>
H2 + Br = H2Br
N2F2 = NF =>
N2F2 = 2 NF
B + Na2O2 = NaBO2 + Na2O =>
2 B + 3 Na2O2 = 2 NaBO2 + 2 Na2O
FeO + H2SO4 = FeSO4 + H2O =>
FeO + H2SO4 = FeSO4 + H2O
I2 + KBr = IKBr =>
I2 + 2 KBr = 2 IKBr
Cr(SO4) + (NH4)2CO3 = CrCO3 + (NH4)2(SO4) =>
Cr(SO4) + (NH4)2CO3 = CrCO3 + (NH4)2(SO4)
(KOH)3 + (HNO3)4 = KNO3 + H2O =>
4(KOH)3 + 3(HNO3)4 = 12 KNO3 + 12 H2O
I2 + HF = HI + F =>
I2 + 2 HF = 2 HI + 2 F
Pb(OH)2SO3 + H2O = H2SO3 + Pb(OH)4 =>
Pb(OH)2SO3 + 2 H2O = H2SO3 + Pb(OH)4
Na2C2O4 + MnO4{-} + H2SO4 + H{+} = Na2SO4 + Mn{2+} + CO2 + H2O =>
5 Na2C2O4 + 2 MnO4{-} + 5 H2SO4 + 6 H{+} = 5 Na2SO4 + 2 Mn{2+} + 10 CO2 + 8 H2O
Ca(s) + HF(aq) = CaF(aq) + H2(g) =>
2 Ca(s) + 2 HF(aq) = 2 CaF(aq) + H2(g)
KBr + (NH4)2SO4 = K2SO4 + NH4Br =>
2 KBr + (NH4)2SO4 = K2SO4 + 2 NH4Br
Ag2CO3 + NH3 = Ag(NH3) + CO3 =>
Ag2CO3 + 2 NH3 = 2 Ag(NH3) + CO3
KNO3CaCl2 = KCl2CaNO3 =>
KNO3CaCl2 = KCl2CaNO3
CO2H2OBaO2 = BaCO3H2O2 =>
CO2H2OBaO2 = BaCO3H2O2
Cu + NaCl = CuCl + Na =>
Cu + NaCl = CuCl + Na
(Cl4N2)3 + (CH4)3 = (CCl4)3 + (N2)3 + (H2)6 =>
(Cl4N2)3 + (CH4)3 = (CCl4)3 + (N2)3 + (H2)6
CuCH3COO + HI = CuI + CH3COOH =>
CuCH3COO + HI = CuI + CH3COOH
NiCO3 + HNO3 = Ni(NO3)2 + CO2 + H2O =>
NiCO3 + 2 HNO3 = Ni(NO3)2 + CO2 + H2O
P2 + H2 = PH3 =>
P2 + 3 H2 = 2 PH3
NH4HF2 + H2O = NH4OH + HF =>
NH4HF2 + H2O = NH4OH + 2 HF
NaCl + Ag = AgCl + Na =>
NaCl + Ag = AgCl + Na
Fe + AlBr3 = AlFe + Br2 =>
2 Fe + 2 AlBr3 = 2 AlFe + 3 Br2
C17H32 + O2 = CO2 + H2O =>
C17H32 + 25 O2 = 17 CO2 + 16 H2O
Mn(HCO3)2 + K2Cr2O7 = MnCr2O7 + K2(HCO3)2 =>
Mn(HCO3)2 + K2Cr2O7 = MnCr2O7 + K2(HCO3)2
Na2CO3 + NH4NO3 = NaNO3 + NH3 + CO2 + H2O =>
Na2CO3 + 2 NH4NO3 = 2 NaNO3 + 2 NH3 + CO2 + H2O
MnCl2*4H2O + K3[Co(CN)6] = Mn3[Co(CN)6]2 + KCl + H2O =>
3 MnCl2*4H2O + 2 K3[Co(CN)6] = Mn3[Co(CN)6]2 + 6 KCl + 12 H2O
Fe + K3[Fe(CN)6] = FeK3[Fe(CN)6] =>
Fe + K3[Fe(CN)6] = FeK3[Fe(CN)6]
PbO2 + I2 = Pb{+2} + IO3{-3} =>
3 PbO2 + I2 = 3 Pb{+2} + 2 IO3{-3}
CuSO4 = CuO + SO3 =>
CuSO4 = CuO + SO3
H3PO4 + Ca(OH)2 = Ca3((PO4)2) + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3((PO4)2) + 6 H2O
Fe{2+} + Cl2 = Fe{3+} + Cl{-} =>
2 Fe{2+} + Cl2 = 2 Fe{3+} + 2 Cl{-}
Cr + Se = Cr2Se =>
2 Cr + Se = Cr2Se
C6O3H15 + O2 = CO2 + H2O =>
4 C6O3H15 + 33 O2 = 24 CO2 + 30 H2O
C2H3O2{-} + H2O = C2H3O2H + OH{-} =>
C2H3O2{-} + H2O = C2H3O2H + OH{-}
Cr2O72 + Fe + H{+} = Cr3{+} + Fe3{+} + H2O =>
3 Cr2O72 + 1290 Fe + 432 H{+} = 2 Cr3{+} + 430 Fe3{+} + 216 H2O
CH3COOCH3 + Ca(OH)2 = CH3COOCa + CH3(OH)2 =>
CH3COOCH3 + Ca(OH)2 = CH3COOCa + CH3(OH)2
As2O5 + H3O = AsH3 + H2O =>
As2O5 + 16 H3O = 2 AsH3 + 21 H2O
Ca + NaOH + H2O = NaCa(OH)4 + H2 =>
2 Ca + 2 NaOH + 6 H2O = 2 NaCa(OH)4 + 3 H2
NaClO4 = NaCl + O =>
NaClO4 = NaCl + 4 O
ZnCl2 + F = ZnF2 + Cl =>
ZnCl2 + 2 F = ZnF2 + 2 Cl
Al(OH)3 + Ba(OH)2 = Ba(Al(OH)4)2 =>
2 Al(OH)3 + Ba(OH)2 = Ba(Al(OH)4)2
Ca3P2 + HNO3 = Ca(NO3)2 + H2O + NO + H3PO4 =>
3 Ca3P2 + 34 HNO3 = 9 Ca(NO3)2 + 8 H2O + 16 NO + 6 H3PO4
MgCl2 + Cr(NO3)2 = Mg(NO3)2 + CrCl2 =>
MgCl2 + Cr(NO3)2 = Mg(NO3)2 + CrCl2
COCl2*H2O + NaOH = CO(OH)2 + NaCl + H2O =>
COCl2*H2O + 2 NaOH = CO(OH)2 + 2 NaCl + H2O
KMnO4 + C3H6 + H2O = C3H7O2 + MnO2 + KOH =>
KMnO4 + C3H6 + H2O = C3H7O2 + MnO2 + KOH
Cd(NO3)2 + Na3(PO4) = Cd3(PO4)2 + NaNO3 =>
3 Cd(NO3)2 + 2 Na3(PO4) = Cd3(PO4)2 + 6 NaNO3
Al + H2SO4 + H2O2 = Al2(SO4)3 + H2O =>
2 Al + 3 H2SO4 + 3 H2O2 = Al2(SO4)3 + 6 H2O
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Équations équilibrées sur12/10/24
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