| Équations équilibrées la veille | Équations équilibrées le lendemain |
KMnO4 + 2 Na2SO3 = MnO2 + 2 Na2SO4 + K
C4H10 + O2(g) = H2O(l) + CO2(g) =>
2 C4H10 + 13 O2(g) = 10 H2O(l) + 8 CO2(g)
HCl(g) + MnO2(s) = MnCl2 + H2O + Cl2 =>
4 HCl(g) + MnO2(s) = MnCl2 + 2 H2O + Cl2
Fe2 + Br = Br2Fe =>
Fe2 + 4 Br = 2 Br2Fe
C4H9NO2 + NaNO2 + HCl = C4H6O2 + NO + H2O + NaCl =>
C4H9NO2 + 5 NaNO2 + 5 HCl = C4H6O2 + 6 NO + 4 H2O + 5 NaCl
C6H12O6 + Na = C6H11O6Na + H2 =>
2 C6H12O6 + 2 Na = 2 C6H11O6Na + H2
Fe + N2 = FeN2 =>
Fe + N2 = FeN2
Cu{+} + KMnO4 + H{+} = Cu{2+} + Mn{2+} + K{+} + H2O =>
5 Cu{+} + KMnO4 + 8 H{+} = 5 Cu{2+} + Mn{2+} + K{+} + 4 H2O
H2S + MgF2 = MgS + HF =>
H2S + MgF2 = MgS + 2 HF
C2H2 = C + H2 =>
C2H2 = 2 C + H2
Al2(SO4)3 + Mg(NO3)2 = Al2(NO3)2 + Mg(SO4)3 =>
Al2(SO4)3 + Mg(NO3)2 = Al2(NO3)2 + Mg(SO4)3
phosphorustrichloride + chlorine = phosphoruspentachloride =>
PCl3 + Cl2 = PCl5
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH4 + O2 = C + H2O =>
CH4 + O2 = C + 2 H2O
Ba{2+} + SO4{-} = Ba(SO4)2 =>
Ba{2+} + 2 SO4{-} = Ba(SO4)2
Ca(NO3)2(aq) + NaCl(aq) = CaCl2(aq) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaCl(aq) = CaCl2(aq) + 2 NaNO3(aq)
Ca(s) + Br2(s) = CaBr(s) =>
2 Ca(s) + Br2(s) = 2 CaBr(s)
Al(ClO2)3 + NH3 = N2 + H2O + AlCl3 =>
Al(ClO2)3 + 4 NH3 = 2 N2 + 6 H2O + AlCl3
HC2H3O2 + KOH = H2O + C2H3KO2 =>
HC2H3O2 + KOH = H2O + C2H3KO2
H2O + H3AsO4 + H2SO4 + NO2 = HNO3 + As2S5 =>
12 H2O + 2 H3AsO4 + 5 H2SO4 + 40 NO2 = 40 HNO3 + As2S5
KHSO4 + TeI2 = KI + Te(HSO4)2 =>
2 KHSO4 + TeI2 = 2 KI + Te(HSO4)2
HF + F2 + N2 = HF3N4 =>
HF + F2 + 2 N2 = HF3N4
Cl2 + Sn = Cl{-} + Sn2{+} =>
Cl2 + 4 Sn = 2 Cl{-} + 2 Sn2{+}
Mg{2+} + NH4HCO3 = MgCO3 + NH4{+} + H2O + CO2 =>
Mg{2+} + 2 NH4HCO3 = MgCO3 + 2 NH4{+} + H2O + CO2
Br + P = P2Br4 =>
4 Br + 2 P = P2Br4
MgCo3 + AlCl3 = Al2(Co3)3 + MgCl2 =>
3 MgCo3 + 2 AlCl3 = Al2(Co3)3 + 3 MgCl2
FeCl2 + O2 = Fe2O3 + FeCl3 =>
12 FeCl2 + 3 O2 = 2 Fe2O3 + 8 FeCl3
S8 + Na2SO4 + Fe(OH)3 = H2O + NaOH + FeSO4 =>
S8 + 40 Na2SO4 + 48 Fe(OH)3 = 32 H2O + 80 NaOH + 48 FeSO4
(H2O) + CO2 = HC + O2 =>
2(H2O) + 4 CO2 = 4 HC + 5 O2
NiSO4 + HBr = H2SO4 + NiBr2 =>
NiSO4 + 2 HBr = H2SO4 + NiBr2
C6H12O6 + CuO = CO2 + Cu2 + H2O =>
C6H12O6 + 12 CuO = 6 CO2 + 6 Cu2 + 6 H2O
NaHS + SO3 = NaHS2O3 =>
NaHS + SO3 = NaHS2O3
Na2C2O4 + HBr = NaBr + H2C2O4 =>
Na2C2O4 + 2 HBr = 2 NaBr + H2C2O4
Cu(SO4)2 + H = CuH + (SO4)2 =>
Cu(SO4)2 + H = CuH + (SO4)2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ag2S(s) + H2O(l) = Ag(s) + H2S(g) + O2(g) =>
2 Ag2S(s) + 2 H2O(l) = 4 Ag(s) + 2 H2S(g) + O2(g)
K2SO4(aq) + Pb(C2H3O2)2(aq) = KC2H3O2(aq) + PbSO4(s) =>
K2SO4(aq) + Pb(C2H3O2)2(aq) = 2 KC2H3O2(aq) + PbSO4(s)
Cr2(SO4)3 + H2O = H2SO4 + Cr2O3 =>
Cr2(SO4)3 + 3 H2O = 3 H2SO4 + Cr2O3
Pb(CO3)2 + Mg3(PO4)2 = Pb3(PO4)2 + Mg(CO3)2 =>
3 Pb(CO3)2 + Mg3(PO4)2 = Pb3(PO4)2 + 3 Mg(CO3)2
Ca(s) + FeSO4(aq) = CaSO4(s) + Fe(aq) =>
Ca(s) + FeSO4(aq) = CaSO4(s) + Fe(aq)
HONH2 + H2O = OH{-} + HONH3{+} =>
HONH2 + H2O = OH{-} + HONH3{+}
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CH3NH2 + O2 = N2O + CO2 + H2O =>
2 CH3NH2 + 5 O2 = N2O + 2 CO2 + 5 H2O
Mg + SrSO4 = Sr + MgSO4 =>
Mg + SrSO4 = Sr + MgSO4
[NH4]2Fe[SO4]2 + NH4 = [NH4]2Fe(NH2)2 + H2SO4 =>
[NH4]2Fe[SO4]2 + 2 NH4 = [NH4]2Fe(NH2)2 + 2 H2SO4
C3H3O3{-}(aq) + H2O(l) = HC3H3O3(aq) + OH{-}(aq) =>
C3H3O3{-}(aq) + H2O(l) = HC3H3O3(aq) + OH{-}(aq)
C4H7COOH + H2O = CH3COOH + H2 =>
2 C4H7COOH + 6 H2O = 5 CH3COOH + 4 H2
CaHPO4*2H2O + CaCO3 + Yb2O3 + MgO = Ca87Mg3Yb10(PO4)70 + CO2 + H2O =>
70 CaHPO4*2H2O + 17 CaCO3 + 5 Yb2O3 + 3 MgO = Ca87Mg3Yb10(PO4)70 + 17 CO2 + 175 H2O
C6H12 + K2CrO4 + H2SO4 = C3H6O2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H12 + 8 K2CrO4 + 20 H2SO4 = 6 C3H6O2 + 8 K2SO4 + 4 Cr2(SO4)3 + 20 H2O
C5H6 + KOH + FeCl2H8O4 = FeC10H10 + H2O + KCl =>
2 C5H6 + 2 KOH + FeCl2H8O4 = FeC10H10 + 6 H2O + 2 KCl
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Équations équilibrées sur12/13/24
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