| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CuSO4 + 4 Fe = 2 Fe2SO4 + Cu2
HCl + CaO = H2O + CaCl2 =>
2 HCl + CaO = H2O + CaCl2
CuSO4 + N = Cu + NSO4 =>
CuSO4 + N = Cu + NSO4
H2O + P2O5 + NH4{+} + Mg{2+} + OH{-} = MgNH4PO4*6H2O =>
9 H2O + P2O5 + 2 NH4{+} + 2 Mg{2+} + 6 OH{-} = 2 MgNH4PO4*6H2O
MnWO4 + NaOH = MnOH + NaWO4 =>
MnWO4 + NaOH = MnOH + NaWO4
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
Cu + HCl = CuCl + HCu =>
2 Cu + HCl = CuCl + HCu
FeOH3 + Cl2 = FeCl2 + H3O =>
FeOH3 + Cl2 = FeCl2 + H3O
KClO3() = KCl() + O2() =>
2 KClO3() = 2 KCl() + 3 O2()
FeCl2 + K3PO4 = Fe3(PO4)2 + KCl =>
3 FeCl2 + 2 K3PO4 = Fe3(PO4)2 + 6 KCl
Ba(NO3)2 + K2CO3 = BaCO3 + KNO3 =>
Ba(NO3)2 + K2CO3 = BaCO3 + 2 KNO3
Na(HCO3) + H2SO4 = Na2(SO4) + H2O + CO2 =>
2 Na(HCO3) + H2SO4 = Na2(SO4) + 2 H2O + 2 CO2
HgS + HNO3 + HCl = H2O + HgCl2 + NO + S =>
3 HgS + 2 HNO3 + 6 HCl = 4 H2O + 3 HgCl2 + 2 NO + 3 S
Mg + Al + H2SO4 = H2 + MgAlSO4 =>
Mg + Al + H2SO4 = H2 + MgAlSO4
Na2CuCl4 + Al2O3 = Cu2O + AlCl3 + NaCl + O2 =>
12 Na2CuCl4 + 4 Al2O3 = 6 Cu2O + 8 AlCl3 + 24 NaCl + 3 O2
KOH + HF = KOF + H =>
KOH + HF = KOF + 2 H
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CuSO2(s) = CuS(s)O2(g) =>
CuSO2(s) = CuS(s)O2(g)
C2H4 + Na = C2H4Na2 =>
C2H4 + 2 Na = C2H4Na2
AgNO3 + Cl2 + H2O = AgCl + AgClO + HNO3 =>
2 AgNO3 + Cl2 + H2O = AgCl + AgClO + 2 HNO3
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{-} =>
3 I3{-} + 2 HSO3{-} + 2 H2O = 9 I{-} + 6 H{+} + 2 SO4{-}
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2Se + RbOH = Rb2Se + H2O =>
H2Se + 2 RbOH = Rb2Se + 2 H2O
Ca(OH)2 + NaOH = Na2[Ca(OH)4] =>
Ca(OH)2 + 2 NaOH = Na2[Ca(OH)4]
CH2ClCH2COOH + NH3 = CH2NH2CH2COOH + HCl =>
CH2ClCH2COOH + NH3 = CH2NH2CH2COOH + HCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba(NO3)2(aq) + NaCl(aq) = BaCl(aq) + Na(NO3)2(aq) =>
Ba(NO3)2(aq) + NaCl(aq) = BaCl(aq) + Na(NO3)2(aq)
N + HNO3 = N(NO3)2 + NH4NO3 =>
5 N + 8 HNO3 = 3 N(NO3)2 + 2 NH4NO3
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
Na2CO3 + HCI = NaCI* + H2O + CO2 =>
Na2CO3 + 2 HCI = 2 NaCI* + H2O + CO2
Ti + HNO3 + HCl = TiCl + NO + H2O =>
3 Ti + HNO3 + 3 HCl = 3 TiCl + NO + 2 H2O
H2SO4 + NaCr2O7 + NaCl = Cr3SO4 + Cl + Na2SO4 + H2O =>
21 H2SO4 + 3 NaCr2O7 + 35 NaCl = 2 Cr3SO4 + 35 Cl + 19 Na2SO4 + 21 H2O
NO2 + KI = NO + I + KNO3 =>
2 NO2 + KI = NO + I + KNO3
H2C6H6O6 + NaOH = H2O + NaHC6H6O6 =>
H2C6H6O6 + NaOH = H2O + NaHC6H6O6
e + H{+} + H2O + Mn2O3 = Mn(OH)2 =>
2e + 2 H{+} + H2O + Mn2O3 = 2 Mn(OH)2
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + Cr2(SO4)3 + KSO4 + H2O =>
4 Al + 3 K2Cr2O7 + 21 H2SO4 = 2 Al2(SO4)3 + 3 Cr2(SO4)3 + 6 KSO4 + 21 H2O
Ca(OH)2(s) + H2(SO4)(aq) = CaSO4(s) + H2O(l) =>
Ca(OH)2(s) + H2(SO4)(aq) = CaSO4(s) + 2 H2O(l)
C6H14 + O2 = CO2 + H2OH =>
3 C6H14 + 25 O2 = 18 CO2 + 14 H2OH
NO2 + KI = NO + I2 + KNO3 =>
4 NO2 + 2 KI = 2 NO + I2 + 2 KNO3
Fe(OH)3 + CH3COOH = Fe(C2H3O2)3 + H2O =>
Fe(OH)3 + 3 CH3COOH = Fe(C2H3O2)3 + 3 H2O
KCrO4 + FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + KSO4 + Cr2(SO4)3 =>
2 KCrO4 + 6 FeSO4 + 8 H2SO4 = 3 Fe2(SO4)3 + 8 H2O + 2 KSO4 + Cr2(SO4)3
HNO3 + As = H3AsO3 + NO2 =>
3 HNO3 + As = H3AsO3 + 3 NO2
NO2 + KI = KO2 + NI =>
NO2 + KI = KO2 + NI
KI + NO2 = KNO2 + I2 =>
2 KI + 2 NO2 = 2 KNO2 + I2
MgH2SO4 = H2MgSO4 =>
MgH2SO4 = H2MgSO4
NO2 + KI = K2O + NO + I2 =>
NO2 + 2 KI = K2O + NO + I2
KOH + HF = KOF + H =>
KOH + HF = KOF + 2 H
Ba(NO)2 + Na2SO4 = BaSO4 + NaNO =>
Ba(NO)2 + Na2SO4 = BaSO4 + 2 NaNO
C6H5COOH + KOH = C6H6 + H2O + K2CO3 =>
C6H5COOH + 2 KOH = C6H6 + H2O + K2CO3
N2O5 + Cl2 = NCl3 + O2 =>
2 N2O5 + 6 Cl2 = 4 NCl3 + 5 O2
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