| Équations équilibrées la veille |
4 C6H6 + 15 H2SO4 = 15 H2S + 24 CO2 + 12 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CH4N2O + CH4O + C6H8O7 + HCl = C9H10ClN5O2 + H2O =>
45 CH4N2O + 39 CH4O + 13 C6H8O7 + 18 HCl = 18 C9H10ClN5O2 + 139 H2O
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
NaH + Cl = NaHCl =>
NaH + Cl = NaHCl
KFeO2 = Fe2O3 + K2O =>
2 KFeO2 = Fe2O3 + K2O
Ca(CO)3 + HCl = H(CO)3 + CaCl =>
Ca(CO)3 + HCl = H(CO)3 + CaCl
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + KCl(aq) =>
ZnCl2(aq) + K2CO3(aq) = ZnCO3(s) + 2 KCl(aq)
SO2 + H2O = S(OH)7 + H3O =>
SO2 + 8 H2O = S(OH)7 + 3 H3O
Mg + CO2 = Mg(CO2)2 =>
Mg + 2 CO2 = Mg(CO2)2
KClO3 + Cr2(SO3)3 = K2SO3 + Cr(ClO3)3 =>
6 KClO3 + Cr2(SO3)3 = 3 K2SO3 + 2 Cr(ClO3)3
Al2(SO4)3 + KHCO3 = Al(OH)3 + K2SO4 + CO2 =>
Al2(SO4)3 + 6 KHCO3 = 2 Al(OH)3 + 3 K2SO4 + 6 CO2
AlCl3 + NaNO3 = Al(NO3)3 + NaCl =>
AlCl3 + 3 NaNO3 = Al(NO3)3 + 3 NaCl
NaI + K2CrO7 + H2SO4 = I2 + Na2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
18 NaI + 2 K2CrO7 + 14 H2SO4 = 9 I2 + 9 Na2SO4 + Cr2(SO4)3 + 2 K2SO4 + 14 H2O
FeBr2 + K2Cr2O7 + H2SO4 = Br2 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
2 FeBr2 + K2Cr2O7 + 7 H2SO4 = 2 Br2 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Na + C4H10O = C4H8Na + H2O =>
Na + C4H10O = C4H8Na + H2O
NH4OH + NaClO = NaOH + NH2Cl + H2O =>
NH4OH + NaClO = NaOH + NH2Cl + H2O
C6H5COOH + H2O + e = C6H5CH2OH + HO{-} =>
C6H5COOH + 3 H2O + 4e = C6H5CH2OH + 4 HO{-}
Mg3N2 + HBr = MgBr2 + NH3 =>
Mg3N2 + 6 HBr = 3 MgBr2 + 2 NH3
C6H8O7 + HCl + CH4N2O + CH4O = C5H13Cl2N + H2O2 =>
8 C6H8O7 + 68 HCl + 17 CH4N2O + 105 CH4O = 34 C5H13Cl2N + 89 H2O2
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
Li + Ba(NO3)2 = Ba + Li(NO3)2 =>
Li + Ba(NO3)2 = Ba + Li(NO3)2
(NH4)2S + COSO4 = (NH4)2SO4 + COS =>
(NH4)2S + COSO4 = (NH4)2SO4 + COS
Na2SO4(s) + C2(s) = Na2S(s) + CO2(g) =>
Na2SO4(s) + C2(s) = Na2S(s) + 2 CO2(g)
CH3I + CH3ONa = CH3OCH3 + NaI =>
CH3I + CH3ONa = CH3OCH3 + NaI
K2CO3 + Br2 = KBrO3 + CO2 + KBr =>
3 K2CO3 + 3 Br2 = KBrO3 + 3 CO2 + 5 KBr
KMnO4 + C2H5OH = KOH + MnO2 + CH3COOH + H2O =>
4 KMnO4 + 3 C2H5OH = 4 KOH + 4 MnO2 + 3 CH3COOH + H2O
CaCO3 + C2H4O2 = CO2 + H2O + C4H6CaO4 =>
CaCO3 + 2 C2H4O2 = CO2 + H2O + C4H6CaO4
CaCO3(s) + HCl = CaCl2(aq) + H2O(l) + CO2 =>
CaCO3(s) + 2 HCl = CaCl2(aq) + H2O(l) + CO2
Ba(ClO4)2 = Ba + Cl2 + O2 =>
Ba(ClO4)2 = Ba + Cl2 + 4 O2
Na2B4O7 + H2SO4 = H2B4O7 + Na2SO4 =>
Na2B4O7 + H2SO4 = H2B4O7 + Na2SO4
NH3 + NaHCO3 = NH4NaCO3 =>
NH3 + NaHCO3 = NH4NaCO3
HgS = Hg + S8S = Hg + S8 =>
9 HgS = 9 Hg + S8S
FeO + OH = FeO(OH) =>
FeO + OH = FeO(OH)
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Fe + H2SO4 + H2O = (FeSO4)7H2O + H2 =>
7 Fe + 7 H2SO4 + H2O = (FeSO4)7H2O + 7 H2
PCl3(l) + KClO3(s) = POCl3(l) + KCl(aq) =>
3 PCl3(l) + KClO3(s) = 3 POCl3(l) + KCl(aq)
Sn + Mg(NO3)2 = Mg + Sn(NO3)4 =>
Sn + 2 Mg(NO3)2 = 2 Mg + Sn(NO3)4
HCl + NaMnO4 + Na2C2O4 = CO2 + NaCl + MnCl2 + H2O =>
16 HCl + 2 NaMnO4 + 5 Na2C2O4 = 10 CO2 + 12 NaCl + 2 MnCl2 + 8 H2O
Mg + (OH)2 + HBr = MgBr2 + H2O =>
Mg + (OH)2 + 2 HBr = MgBr2 + 2 H2O
Na2SO4 + NaCl = Na3SO4Cl =>
Na2SO4 + NaCl = Na3SO4Cl
C7H6Cl2 + KOH = C7H6O + KCl + H2O =>
C7H6Cl2 + 2 KOH = C7H6O + 2 KCl + H2O
HCl + Br2 = BrCl + H2 =>
2 HCl + Br2 = 2 BrCl + H2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
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