| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Fe + 3 O2 = 2 Fe2O3
BaCl2 + KClO3 = Ba(ClO3)2 + KCl =>
BaCl2 + 2 KClO3 = Ba(ClO3)2 + 2 KCl
MgBr2(l) = Mg(l) + Br2(g) =>
MgBr2(l) = Mg(l) + Br2(g)
Na2CO3 = Na + CO3 =>
Na2CO3 = 2 Na + CO3
Fe + OH = Fe(OH)3 =>
Fe + 3 OH = Fe(OH)3
Na2B4O7 + SnCl2 + CuO = Sn(BO2)2 + NaBO2 + CuCl2 =>
Na2B4O7 + SnCl2 + CuO = Sn(BO2)2 + 2 NaBO2 + CuCl2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca + HNO3 = Ca(NO3)2 + N20 + H2O =>
50 Ca + 120 HNO3 = 50 Ca(NO3)2 + N20 + 60 H2O
Na2Cr2O7 = Na2CrO4 + Cr2O3 + O2 =>
4 Na2Cr2O7 = 4 Na2CrO4 + 2 Cr2O3 + 3 O2
CuS + Cl2 = CuCl + S =>
2 CuS + Cl2 = 2 CuCl + 2 S
CuSO4*5H2O + NH4Cl = (NH4)2SO4 + CuCl2 + H2O =>
CuSO4*5H2O + 2 NH4Cl = (NH4)2SO4 + CuCl2 + 5 H2O
KOH + NH3 + CuNO3 = KNO3 + [Cu(NH3)4]OH =>
KOH + 4 NH3 + CuNO3 = KNO3 + [Cu(NH3)4]OH
NH3 + O2 = NO + H2O = =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MgBr2 + CuSO4 = CuBr2 + MgSO4 =>
MgBr2 + CuSO4 = CuBr2 + MgSO4
S2O3 + O2 = SO3 =>
2 S2O3 + 3 O2 = 4 SO3
HCH3O2(aq) + NaOH(aq) = NaC2H3O2 + H2O =>
2 HCH3O2(aq) + NaOH(aq) = NaC2H3O2 + 3 H2O
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Na2CO3 + C6H8O6 = CO2 + H2O + Na3C6H5O7 =>
15 Na2CO3 + 9 C6H8O6 = 9 CO2 + 11 H2O + 10 Na3C6H5O7
CrPO4 + NaOH = [Cr(OH)3]3 + Na3PO4 =>
3 CrPO4 + 9 NaOH = [Cr(OH)3]3 + 3 Na3PO4
Pb(NO3)2 + Na2S2O3 = PbS2O3 + Na2(NO3)2 =>
Pb(NO3)2 + Na2S2O3 = PbS2O3 + Na2(NO3)2
KCrSO4 = K2SO4 + Cr2SO4 =>
2 KCrSO4 = K2SO4 + Cr2SO4
Al + IO = AlO + I2 =>
2 Al + 2 IO = 2 AlO + I2
C4 = C2 =>
C4 = 2 C2
HCl + MgCO3 = MgCl + CO2 + H2O + O2 =>
4 HCl + 4 MgCO3 = 4 MgCl + 4 CO2 + 2 H2O + O2
NH4 + Cl + NaOH = NH3 + NaCl + H2O =>
NH4 + Cl + NaOH = NH3 + NaCl + H2O
NiSO4 + KOH = Ni(OH)2 + K2(SO4) =>
NiSO4 + 2 KOH = Ni(OH)2 + K2(SO4)
Kr + F = KrF4 =>
Kr + 4 F = KrF4
SiF4 + H2O = HF + Si(OH)4 =>
SiF4 + 4 H2O = 4 HF + Si(OH)4
Cl2O + FeO = Fe(ClO)2 =>
Cl2O + FeO = Fe(ClO)2
CuS(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag2S(s) =>
CuS(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + Ag2S(s)
KBr(aq) + Cl(aq) = KCl(aq) + Br(aq) =>
KBr(aq) + Cl(aq) = KCl(aq) + Br(aq)
Hg(ClO3)2 + K2SO4 = KClO3 + HgSO4 =>
Hg(ClO3)2 + K2SO4 = 2 KClO3 + HgSO4
Ba + Ag2CO3 = Ag + BaCO3 =>
Ba + Ag2CO3 = 2 Ag + BaCO3
H3PO4 + BaO2H2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 BaO2H2 = Ba3(PO4)2 + 6 H2O
NeO2 + H2O = H2NeO3 =>
NeO2 + H2O = H2NeO3
KClO3 + FeSO4 + H2O = KCl + FeOHSO4 =>
KClO3 + 6 FeSO4 + 3 H2O = KCl + 6 FeOHSO4
H2TeO3 + SnCl2 + HCl = SnTe2 + SnCl4 + H2O =>
2 H2TeO3 + 6 SnCl2 + 8 HCl = SnTe2 + 5 SnCl4 + 6 H2O
(CH3)2SiCl2 + H2O = HCl + (CH3)2SiO =>
(CH3)2SiCl2 + H2O = 2 HCl + (CH3)2SiO
H2SiO4 + NaOH = Na2SiO4 + H2O =>
H2SiO4 + 2 NaOH = Na2SiO4 + 2 H2O
Fe(C2H3O2)3 = Fe + C2H3O2 =>
Fe(C2H3O2)3 = Fe + 3 C2H3O2
BF3(g) + H2O = HF(aq) + H3BO3 =>
BF3(g) + 3 H2O = 3 HF(aq) + H3BO3
S(s) + O2(g) + KOH(aq) = K2SO4(aq) + H2O(l) =>
2 S(s) + 3 O2(g) + 4 KOH(aq) = 2 K2SO4(aq) + 2 H2O(l)
Se2O3 + H2 = Se + H2O =>
Se2O3 + 3 H2 = 2 Se + 3 H2O
C + H2O = C8H18 + CO2 =>
25 C + 18 H2O = 2 C8H18 + 9 CO2
HOBr + NaOH = NaOBr + H2O =>
HOBr + NaOH = NaOBr + H2O
TeO3 + H2O = TeO + HO =>
TeO3 + 2 H2O = TeO + 4 HO
P8 + Cl2 = PCl3 =>
P8 + 12 Cl2 = 8 PCl3
CH3CHO + H = CH3CH2OH =>
CH3CHO + 2 H = CH3CH2OH
NaH(CO3) + CaCl2 = CaCO3 + NaCl + H2O + CO2 =>
2 NaH(CO3) + CaCl2 = CaCO3 + 2 NaCl + H2O + CO2
SrCl2 + H2S = SrS + HCl =>
SrCl2 + H2S = SrS + 2 HCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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