| Équations équilibrées la veille |
6 CaOCl2 = Ca(ClO3)2 + 5 CaCl2
Fe(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2(g) =>
2 Fe(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 3 H2(g)
H3BO3 + Ba(OH)2 = Ba3(BO3)2 + H2O =>
2 H3BO3 + 3 Ba(OH)2 = Ba3(BO3)2 + 6 H2O
Cu2S + Fe2(SO4)3 = CuS + CuSO4 + FeSO4 =>
Cu2S + Fe2(SO4)3 = CuS + CuSO4 + 2 FeSO4
K4(Fe(CN)6) + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + MnSO4 + K2SO4 + H2O =>
10 K4(Fe(CN)6) + 122 KMnO4 + 218 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 HNO3 + 122 MnSO4 + 81 K2SO4 + 188 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
ZnO + CuO = Zn98Cu2O100 =>
98 ZnO + 2 CuO = Zn98Cu2O100
C3H7NO2 + O2 = CO2 + H2O + NO2 =>
4 C3H7NO2 + 19 O2 = 12 CO2 + 14 H2O + 4 NO2
CuBr2 = CuBr + Br =>
CuBr2 = CuBr + Br
Cr2O3 + NaBrO3 + Na2CO3 = Na2CrO4 + Br2 + CO2 =>
5 Cr2O3 + 6 NaBrO3 + 7 Na2CO3 = 10 Na2CrO4 + 3 Br2 + 7 CO2
C6H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H4(OH)2 + K2Cr2O7 + 4 H2SO4 = 3 C6H4O2 + Cr2(SO4)3 + K2SO4 + 7 H2O
LiO2 = Li2O + O2 =>
4 LiO2 = 2 Li2O + 3 O2
Fe + H3PO4 = Fe(PO4) + H2 =>
2 Fe + 2 H3PO4 = 2 Fe(PO4) + 3 H2
Mg(SO4)2 + Al = Al(SO4)2 + Mg =>
Mg(SO4)2 + Al = Al(SO4)2 + Mg
CH3CCCH3H2O = CH3COCH2CH3 =>
CH3CCCH3H2O = CH3COCH2CH3
Zn(s)CuCl2 = Cu(s)ZnCl2(aq) =>
Zn(s)CuCl2 = Cu(s)ZnCl2(aq)
NaCH3COO + H2O = NaOH + CH3COOH =>
NaCH3COO + H2O = NaOH + CH3COOH
HNO3 + CuBr = Cu(NO3)2 + HBr + NO2 + H2O =>
3 HNO3 + CuBr = Cu(NO3)2 + HBr + NO2 + H2O
C2H3(g) + O2(g) = CO2(g) + H2O(g) =>
4 C2H3(g) + 11 O2(g) = 8 CO2(g) + 6 H2O(g)
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Pb(NO3)2 + Cu(SO4) = Pb(SO4)2 + Cu(NO3) =>
Pb(NO3)2 + 2 Cu(SO4) = Pb(SO4)2 + 2 Cu(NO3)
KOH + AgC2H3O2 = KC2H3O2 + AgOH =>
KOH + AgC2H3O2 = KC2H3O2 + AgOH
Li(s) + Br2(l) = LiBr(s) =>
2 Li(s) + Br2(l) = 2 LiBr(s)
PCl5 + NaOH = Na3PO4 + NaCl + H2O =>
PCl5 + 8 NaOH = Na3PO4 + 5 NaCl + 4 H2O
C19H30 + O2 = CO2 + H2O =>
2 C19H30 + 53 O2 = 38 CO2 + 30 H2O
KMnO4 + CoCl2 + HCl = CoCl3 + KCl + MnCl2 + H2O =>
KMnO4 + 5 CoCl2 + 8 HCl = 5 CoCl3 + KCl + MnCl2 + 4 H2O
Yb + S = YbS =>
Yb + S = YbS
Fe + CO3 + H2O = Fe(OH)3 + CO2 =>
2 Fe + 3 CO3 + 3 H2O = 2 Fe(OH)3 + 3 CO2
V2(SO4)3 + NaClO + NaOH = Na3VO4 + Na2SO4 + NaCl + H2O =>
V2(SO4)3 + 2 NaClO + 12 NaOH = 2 Na3VO4 + 3 Na2SO4 + 2 NaCl + 6 H2O
C12H22O11 + NH4ClO4 = CO2 + H2O + N2 + Cl2 =>
C12H22O11 + 12 NH4ClO4 = 12 CO2 + 35 H2O + 6 N2 + 6 Cl2
Na2O + H2SIO3 = Na2SIO3 + H2O =>
Na2O + H2SIO3 = Na2SIO3 + H2O
NO2 + Al + H2O + OH{-} = NH3 + AlO2{-} =>
3 NO2 + 7 Al + H2O + 7 OH{-} = 3 NH3 + 7 AlO2{-}
NaBr + H2O2 = Na2O + H2O + Br2 =>
2 NaBr + H2O2 = Na2O + H2O + Br2
NaCl + Ba = BaCl2 + Na =>
2 NaCl + Ba = BaCl2 + 2 Na
NHHH + OO = NO + HHO =>
4 NHHH + 5 OO = 4 NO + 6 HHO
Ca + CO2 + H2O = CaCO3 + H2 =>
Ca + CO2 + H2O = CaCO3 + H2
Al + Ca(OH)2 = AlOH + Ca =>
2 Al + Ca(OH)2 = 2 AlOH + Ca
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Ca3P2 = Ca + P4 =>
2 Ca3P2 = 6 Ca + P4
Ga(OH)3 + Ba(OH)2 = Ba3([Ga(OH)6])2 =>
2 Ga(OH)3 + 3 Ba(OH)2 = Ba3([Ga(OH)6])2
C4H10 + HBr = C4H9Br + H2 =>
C4H10 + HBr = C4H9Br + H2
Li2Co3 + CuCl2 = LiCl + CuCo3 =>
Li2Co3 + CuCl2 = 2 LiCl + CuCo3
Fe2 + F = FeF3 =>
Fe2 + 6 F = 2 FeF3
H2S(g) + SO2(g) = S8(s) + H2O(l) =>
16 H2S(g) + 8 SO2(g) = 3 S8(s) + 16 H2O(l)
Mg + H2O = MgH2O =>
Mg + H2O = MgH2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s) =>
Na2S(aq) + ZnSO4(aq) = Na2SO4(aq) + ZnS(s)
HNO3(aq) + Na2CO3 = NaNO3(aq) + CO2(g) + H2O =>
2 HNO3(aq) + Na2CO3 = 2 NaNO3(aq) + CO2(g) + H2O
CH3COCH3 + CH3COOH = (CH3CO)2O + CH4 =>
CH3COCH3 + CH3COOH = (CH3CO)2O + CH4
Zn2 + Mg2C{-}4 = Mg + Zn2C{-}4 =>
Zn2 + Mg2C{-}4 = 2 Mg + Zn2C{-}4
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Équations équilibrées sur10/23/24
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