| Équations équilibrées la veille |
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
CuSO4(aq) + KI(aq) = CuI2(s) + K2SO4(aq) =>
CuSO4(aq) + 2 KI(aq) = CuI2(s) + K2SO4(aq)
[Ag(NH3)2] + Zn = [Ag(NH3)2]Zn =>
[Ag(NH3)2] + Zn = [Ag(NH3)2]Zn
Sn{4} + CuCl{2} = Cu{2} + SnCl{4} =>
Sn{4} + CuCl{2} = Cu{2} + SnCl{4}
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
C11H21O2H2COOH + O2 = CO2 + H2O =>
C11H21O2H2COOH + 16 O2 = 12 CO2 + 12 H2O
C5H11Cl + NaOH = C5H12O + NaCl =>
C5H11Cl + NaOH = C5H12O + NaCl
Na2SO4 + K4Fe(CN)6 = K2SO4 + Na4Fe(CN)6 =>
2 Na2SO4 + K4Fe(CN)6 = 2 K2SO4 + Na4Fe(CN)6
K4[Fe(CN)6] + KMnO4 + H2SO4 = K3[Fe(CN)6] + MnSO4 + K2SO4 + H2O =>
5 K4[Fe(CN)6] + KMnO4 + 4 H2SO4 = 5 K3[Fe(CN)6] + MnSO4 + 3 K2SO4 + 4 H2O
Cl2 + CuBr2 = CuCl + Br2 =>
Cl2 + 2 CuBr2 = 2 CuCl + 2 Br2
Li + HNO3 = LiNO3 + N2O + H2O =>
8 Li + 10 HNO3 = 8 LiNO3 + N2O + 5 H2O
H2 + S2 + O2 = H2SO3 =>
2 H2 + S2 + 3 O2 = 2 H2SO3
Na[Cr(OH)4] + NaCl = CrCl3 + NaOH =>
Na[Cr(OH)4] + 3 NaCl = CrCl3 + 4 NaOH
NaAlO2 + Na2SiO3*5H2O = Na2Al2Si2O8 + NaOH + H2O =>
2 NaAlO2 + 2 Na2SiO3*5H2O = Na2Al2Si2O8 + 4 NaOH + 8 H2O
K + Cr + O = K2CrO4 =>
2 K + Cr + 4 O = K2CrO4
SCl2 + H2O = S + H2SO4 + HCl =>
3 SCl2 + 4 H2O = 2 S + H2SO4 + 6 HCl
Cu(s) + NaCl(aq) = CuCl2(aq) + Na(s) =>
Cu(s) + 2 NaCl(aq) = CuCl2(aq) + 2 Na(s)
Fe2O3 + P4 = O2 + FeP =>
2 Fe2O3 + P4 = 3 O2 + 4 FeP
MnI2 + Cl2 + KOH = KMnO4 + KI + KCl + H2O =>
2 MnI2 + 5 Cl2 + 16 KOH = 2 KMnO4 + 4 KI + 10 KCl + 8 H2O
Fe + I = FeI3 =>
Fe + 3 I = FeI3
Fe2O3 + C(s) = Fe(s) + CO(g) =>
Fe2O3 + 3 C(s) = 2 Fe(s) + 3 CO(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
[Cu(NH3)4](OH)2 + NaOH = Cu(OH)2 + NaOHNH3 =>
[Cu(NH3)4](OH)2 + 4 NaOH = Cu(OH)2 + 4 NaOHNH3
C2H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(g)
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
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
K2Cr2O7 + HClO4 + HI = Cr(ClO)3 + KClO4 + I2 + H2O =>
K2Cr2O7 + 8 HClO4 + 42 HI = 2 Cr(ClO)3 + 2 KClO4 + 21 I2 + 25 H2O
C4H10 + Cl = C4H9 + HCl =>
C4H10 + Cl = C4H9 + HCl
Li + HNO3 = LiNO3 + H2O + N2 =>
10 Li + 12 HNO3 = 10 LiNO3 + 6 H2O + N2
K + Cr + O = KCrO =>
K + Cr + O = KCrO
NaAlO2 + Na2SiO3*5H2O = Na12(AlO2)12(SiO2)12*27H2O + NaOH + H2O =>
12 NaAlO2 + 12 Na2SiO3*5H2O = Na12(AlO2)12(SiO2)12*27H2O + 24 NaOH + 21 H2O
Cu(s) + NaCl(aq) = CuCl(aq) + Na(s) =>
Cu(s) + NaCl(aq) = CuCl(aq) + Na(s)
C6H5Cl + NH3 = C6H5NH2 + HCl =>
C6H5Cl + NH3 = C6H5NH2 + HCl
HCl + Cu = HClCu =>
HCl + Cu = HClCu
H2O + SCl2 = HCl + S + O2 =>
2 H2O + 2 SCl2 = 4 HCl + 2 S + O2
Fe + I = Fe2I =>
2 Fe + I = Fe2I
Fe2O3 + C(s) = Fe(s) + CO2(g) =>
2 Fe2O3 + 3 C(s) = 4 Fe(s) + 3 CO2(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH4{+} + CO3{2-} = NH3 + H2CO3 =>
2 NH4{+} + CO3{2-} = 2 NH3 + H2CO3
Li + HNO3 = LiNO3 + NO + H2O =>
3 Li + 4 HNO3 = 3 LiNO3 + NO + 2 H2O
K4[Fe(CN)6] + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + KNO3 + K2SO4 + MnSO4 + H2O =>
10 K4[Fe(CN)6] + 122 KMnO4 + 188 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 KNO3 + 51 K2SO4 + 122 MnSO4 + 188 H2O
Cs2O = Cs + O =>
Cs2O = 2 Cs + O
NaAlO2 + Na2SiO3*5H2O = Na2Al2Si2O8*5H2O + NaOH + H2O =>
2 NaAlO2 + 2 Na2SiO3*5H2O = Na2Al2Si2O8*5H2O + 4 NaOH + 3 H2O
C(s) + Fe2O3 = Fe + CO =>
3 C(s) + Fe2O3 = 2 Fe + 3 CO
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
ClO3 + I2 = ClO2 + IO3 =>
6 ClO3 + I2 = 6 ClO2 + 2 IO3
CH3OOH + NaOH = CH3OONa + H2O =>
CH3OOH + NaOH = CH3OONa + H2O
VCl5 = V + Cl =>
VCl5 = V + 5 Cl
NH4{+} + CO3{2-} = (NH4)2CO3 =>
2 NH4{+} + CO3{2-} = (NH4)2CO3
Fe2O3 + C(s) = Fe + CO2 =>
2 Fe2O3 + 3 C(s) = 4 Fe + 3 CO2
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