| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2CO3(aq) + Sr(OH)2(aq) = SrCO3(aq) + 2 H2O(l)
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
KMn04 + FeS04 + H2SO4 = K2SO4 + MnS04 + Fe2(SO4)3 + H2O =>
54 KMn04 + 190 FeS04 + 416 H2SO4 = 27 K2SO4 + 216 MnS04 + 95 Fe2(SO4)3 + 416 H2O
NH3 + NO(g) = N2(g) + H2O(g) =>
4 NH3 + 6 NO(g) = 5 N2(g) + 6 H2O(g)
Br2 + MgF2 = BrF + Mg =>
Br2 + MgF2 = 2 BrF + Mg
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
SnCl2 + NaOH = NaCl + Na[Sn(OH)3] =>
SnCl2 + 3 NaOH = 2 NaCl + Na[Sn(OH)3]
Na3PO4 + Zn(NO3)2 = NaNO3 + Zn3(PO4)2 =>
2 Na3PO4 + 3 Zn(NO3)2 = 6 NaNO3 + Zn3(PO4)2
Li + HNO3 = LiNO3 + NH3 + H2O =>
8 Li + 9 HNO3 = 8 LiNO3 + NH3 + 3 H2O
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
KMnO4 + NaCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Na2SO4 =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Na2SO4
Ag3PO4 + H2O = Ag2O + H3PO4 =>
2 Ag3PO4 + 3 H2O = 3 Ag2O + 2 H3PO4
Ru + HNO3 + HCl = H2[RuCl6] + NO + H2O =>
3 Ru + 4 HNO3 + 18 HCl = 3 H2[RuCl6] + 4 NO + 8 H2O
Fe{3+} + Br{-} = Fe + Br2 =>
2 Fe{3+} + 6 Br{-} = 2 Fe + 3 Br2
C2H2 + KMnO4 + H2O = H2C2O4 + MnO2 + KOH =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3 H2C2O4 + 8 MnO2 + 8 KOH
FeS + O2 = FeO + SO2 =>
2 FeS + 3 O2 = 2 FeO + 2 SO2
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na(NO3) =>
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + 2 Na(NO3)
Pb(NO3)2 + NaHCO3 = PbCO3 + NaNO3 + H2O + CO2 =>
Pb(NO3)2 + 2 NaHCO3 = PbCO3 + 2 NaNO3 + H2O + CO2
NaCN + H2O = HCOONa + NH3 =>
NaCN + 2 H2O = HCOONa + NH3
K2CO3 + TiO2 = K2Ti4O9 + CO2 =>
K2CO3 + 4 TiO2 = K2Ti4O9 + CO2
Cr2O7{2-} + HSO3{-} + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 HSO3{-} + 5 H{+} = 2 Cr{3+} + 3 SO4{2-} + 4 H2O
NaHCO3 + HCl = CO2(g) + H2O + NaCl(aq) =>
NaHCO3 + HCl = CO2(g) + H2O + NaCl(aq)
Co(OH)3 + H{+} = Co{2+} + O2 + H2O =>
4 Co(OH)3 + 8 H{+} = 4 Co{2+} + O2 + 10 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Pb3O4 + HCl = PbCl2 + H2O + Cl2 =>
Pb3O4 + 8 HCl = 3 PbCl2 + 4 H2O + Cl2
(CH3C)2[Fe(CN)5(NO)] + NaOH = Na2[Fe(CN)5(NO)] + CH3COH =>
(CH3C)2[Fe(CN)5(NO)] + 2 NaOH = Na2[Fe(CN)5(NO)] + 2 CH3COH
Mg + CH3COOH = (CH3COO)2Mg + H2 =>
Mg + 2 CH3COOH = (CH3COO)2Mg + H2
Fe + KI = FeKI =>
Fe + KI = FeKI
CaSO4 + C = CaCO3 + S + CO2 =>
2 CaSO4 + 3 C = 2 CaCO3 + 2 S + CO2
Ca3N2 = Ca + N =>
Ca3N2 = 3 Ca + 2 N
H2C2O4*2H2O + KMnO4 = K2C2O4*2H2O + MnO2 + H2O + CO2 =>
4 H2C2O4*2H2O + 2 KMnO4 = K2C2O4*2H2O + 2 MnO2 + 10 H2O + 6 CO2
C(s) + H2(g) + O2(g) = C2H6O(s) =>
4 C(s) + 6 H2(g) + O2(g) = 2 C2H6O(s)
C + H3 = CH4 =>
3 C + 4 H3 = 3 CH4
Ca(C2H3O2)2 = Ca + C + H + O =>
Ca(C2H3O2)2 = Ca + 4 C + 6 H + 4 O
Cl + N2 = ClN =>
2 Cl + N2 = 2 ClN
K2SO4 + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + Na2SO4 =>
K2SO4 + Na3[Co(NO2)6] = K2Na[Co(NO2)6] + Na2SO4
MgO + K2SO4 = MgSO4 + K2O =>
MgO + K2SO4 = MgSO4 + K2O
Li + HOH = LiOH + H =>
Li + HOH = LiOH + H
C2O4H2 + KOH = C2O4K2 + H2O =>
C2O4H2 + 2 KOH = C2O4K2 + 2 H2O
CuSO4 + BaCl2 = CuCl2 + BaSO4 =>
CuSO4 + BaCl2 = CuCl2 + BaSO4
SnO + KOH = K2SnO2 + H2O =>
SnO + 2 KOH = K2SnO2 + H2O
CH3CH2NH2 + H2O = CH3CH2NH + H3O =>
CH3CH2NH2 + H2O = CH3CH2NH + H3O
Cd + H2S = CdS + H =>
Cd + H2S = CdS + 2 H
NaNO2 + KMnO4 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaNO2 + 2 KMnO4 + 8 H2SO4 = 10 NO2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
Sn + Mn(NO3)2 = Sn(NO3)2 + Mn =>
Sn + Mn(NO3)2 = Sn(NO3)2 + Mn
BaCO3 + CH3COOH = (CH3COO)2Ba + CO2 + H2O =>
BaCO3 + 2 CH3COOH = (CH3COO)2Ba + CO2 + H2O
CH3CHOHCH3 + KMnO4 + H2SO4 = CH3CHOCH3 + K2SO4 + MnSO4 + H2O =>
10 CH3CHOHCH3 + 2 KMnO4 + 3 H2SO4 = 10 CH3CHOCH3 + K2SO4 + 2 MnSO4 + 8 H2O
Na2O*5 + H2O = NaOH =>
Na2O*5 + H2O = 2 NaOH
AgBr + O2 = AgO + Br2 =>
2 AgBr + O2 = 2 AgO + Br2
NaCl + H2O2 = NaClO3 + H2O =>
NaCl + 3 H2O2 = NaClO3 + 3 H2O
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Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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