| Équations équilibrées la veille |
Cu + H2(SO4) = Cu(SO4) + H2
(NH4)2S + O2 = N2O5 + H2O + SO3 =>
(NH4)2S + 6 O2 = N2O5 + 4 H2O + SO3
Cl2 + H2O = HCl + HOCl =>
Cl2 + H2O = HCl + HOCl
Fe + HCl + H2O2 = FeCl3 + H2O =>
2 Fe + 6 HCl + 3 H2O2 = 2 FeCl3 + 6 H2O
Li2O + Al2O3 = LiAl5O8 =>
Li2O + 5 Al2O3 = 2 LiAl5O8
(NH4)2S + O2 = (NH4)2O + S =>
2(NH4)2S + O2 = 2(NH4)2O + 2 S
I + O2 = I2O =>
4 I + O2 = 2 I2O
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
MnBr2 + K3PO4 = Mn3(PO4)2 + KBr =>
3 MnBr2 + 2 K3PO4 = Mn3(PO4)2 + 6 KBr
Cr2O72{-} + Cl{-} + H3O{+} = Cr3{+} + H2O + Cl2 =>
6 Cr2O72{-} + 854 Cl{-} + 864 H3O{+} = 4 Cr3{+} + 1296 H2O + 427 Cl2
Ca + Sn(SO4)2 = Sn + Ca(SO4) =>
2 Ca + Sn(SO4)2 = Sn + 2 Ca(SO4)
(NH4)2S + O2 = NH3 + SO2 + H2O =>
2(NH4)2S + 3 O2 = 4 NH3 + 2 SO2 + 2 H2O
CuCl*2H2O + CrCl2*6H2O + CH3COOH + NaOH = CuCrO2 + NaCl + H2O + CH3COH =>
2 CuCl*2H2O + 2 CrCl2*6H2O + CH3COOH + 6 NaOH = 2 CuCrO2 + 6 NaCl + 19 H2O + CH3COH
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
(NH4)2S + O2 = NH3 + SO2 + H2O =>
2(NH4)2S + 3 O2 = 4 NH3 + 2 SO2 + 2 H2O
CH3CHCHCH2CH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
2 CH3CHCHCH2CH3 + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 6 H2O + 4 MnSO4 + 2 K2SO4
I + O2 = IO =>
2 I + O2 = 2 IO
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
CaCO3 + HBr = CaBr2 + H2CO3 =>
CaCO3 + 2 HBr = CaBr2 + H2CO3
Ca + Sn(SO4)2 = CaSO4 + Sn =>
2 Ca + Sn(SO4)2 = 2 CaSO4 + Sn
CuSO3 + NH3 + H2O = Cu(NH3)4 + H2SO4 =>
CuSO3 + 4 NH3 + H2O = Cu(NH3)4 + H2SO4
(NH4)2S + O2 = N2O5 + H2O + SO2 =>
2(NH4)2S + 11 O2 = 2 N2O5 + 8 H2O + 2 SO2
C4H9OH + C2H5COOH = C7H14O2 + H2O =>
C4H9OH + C2H5COOH = C7H14O2 + H2O
(NH4)2CO3 + CaF2 = CaCO3 + NH4F =>
(NH4)2CO3 + CaF2 = CaCO3 + 2 NH4F
(NH4)2S + O2 = NH3 + SO2 + H2 =>
(NH4)2S + O2 = 2 NH3 + SO2 + H2
CuSO4 + Zn(Cl)2 = Cu(Cl)2 + ZnSO4 =>
CuSO4 + Zn(Cl)2 = Cu(Cl)2 + ZnSO4
C6H5MgBr + CO2 = C7H5O2MgBr =>
C6H5MgBr + CO2 = C7H5O2MgBr
Br2 + FeCl3 = FeBr2 + Cl2 =>
2 Br2 + 2 FeCl3 = 2 FeBr2 + 3 Cl2
I + O2 = I2O7 =>
4 I + 7 O2 = 2 I2O7
Cr(OH)3 + HI = CrI3 + H2O =>
Cr(OH)3 + 3 HI = CrI3 + 3 H2O
Mg + H2O(g) = Mg(OH)2 + H2 =>
Mg + 2 H2O(g) = Mg(OH)2 + H2
(NH4)2S + O2 = NH3 + H2O + S =>
2(NH4)2S + O2 = 4 NH3 + 2 H2O + 2 S
C6H5MgBr + CO2 = C6H5COOMgBr =>
C6H5MgBr + CO2 = C6H5COOMgBr
CaCl2 + (NH4)2CO3 = CaCO3 + NH4Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2 NH4Cl
C2H5COOH + C4H9OH = C2H5COOC4H9 + H2O =>
C2H5COOH + C4H9OH = C2H5COOC4H9 + H2O
(NH4)2S + O2 = NH3 + H2O + S =>
2(NH4)2S + O2 = 4 NH3 + 2 H2O + 2 S
C6H5MgBr + CO2 = C6H5COOMgBr =>
C6H5MgBr + CO2 = C6H5COOMgBr
I{-} + S = S{2-} + I2 =>
2 I{-} + S = S{2-} + I2
FeCl3 + Br2 = FeBr3 + Cl2 =>
2 FeCl3 + 3 Br2 = 2 FeBr3 + 3 Cl2
MnO4{-} + CH3CH2OH + H{+} = Mn + CH3COOH + H2O =>
4 MnO4{-} + 7 CH3CH2OH + 4 H{+} = 4 Mn + 7 CH3COOH + 9 H2O
Na3[Cr(OH)6] + H2O2 = Na2CrO4 + NaOH + H2ONa3[Cr(OH)6] =>
10 Na3[Cr(OH)6] + 3 H2O2 = 2 Na2CrO4 + 2 NaOH + 8 H2ONa3[Cr(OH)6]
I + O2 = IO2 =>
I + O2 = IO2
NaC2O4 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + MnSO4 + CO2 + H2O =>
10 NaC2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 2 MnSO4 + 20 CO2 + 8 H2O
C6H5NO2 + Cl2 = C6H5Cl + NO2 =>
2 C6H5NO2 + Cl2 = 2 C6H5Cl + 2 NO2
CaCO3 + HBr = CaBr2 + H2O + CO2 =>
CaCO3 + 2 HBr = CaBr2 + H2O + CO2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
HN3 + HI = N2 + NH4I =>
3 HN3 + HI = 4 N2 + NH4I
Ba(OH)2 + P2O5 = Ba3(PO4)2 + H2O =>
3 Ba(OH)2 + P2O5 = Ba3(PO4)2 + 3 H2O
(NH4)2S + O2 = NH3 + SO2 + H2 =>
(NH4)2S + O2 = 2 NH3 + SO2 + H2
C6H5MgBr + CO2 = C7H5O2MgBr =>
C6H5MgBr + CO2 = C7H5O2MgBr
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