| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2S2O3 + 4 Br2 + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
Co + HNO3 = N2 + CoNO3 + H2O =>
10 Co + 12 HNO3 = N2 + 10 CoNO3 + 6 H2O
AgF + H2CrO4 = Ag2CrO4 + HF =>
2 AgF + H2CrO4 = Ag2CrO4 + 2 HF
Fe + Pb(II)SO4 = Fe(II)SO4 + Pb =>
Fe + Pb(II)SO4 = Fe(II)SO4 + Pb
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CrCl3 + NaOH + H2O2 = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 10 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 NaCl + 8 H2O
FeCl3 + KI = FeI2 + KCl + I2 =>
2 FeCl3 + 6 KI = 2 FeI2 + 6 KCl + I2
Sr(NO3)2 + Na2SO4 = Na2(NO3)2 + SrSO4 =>
Sr(NO3)2 + Na2SO4 = Na2(NO3)2 + SrSO4
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
Na2S + ZnSO4 = Na2SO4 + ZnS =>
Na2S + ZnSO4 = Na2SO4 + ZnS
HCl + PbO2 = PbCl2 + Cl2 + H2O =>
4 HCl + PbO2 = PbCl2 + Cl2 + 2 H2O
NaCrO2 + Br2 + NaOH = NaBr + Na2CrO4 + H2O =>
2 NaCrO2 + 3 Br2 + 8 NaOH = 6 NaBr + 2 Na2CrO4 + 4 H2O
Cr2O7{-2} + H2S + H{+} = Cr{+3} + S8 + H2O =>
8 Cr2O7{-2} + 24 H2S + 64 H{+} = 16 Cr{+3} + 3 S8 + 56 H2O
C8H18 + O2 = CO2 + H20 =>
10 C8H18 + 80 O2 = 80 CO2 + 9 H20
C7H6O3 + C4H6O3 = C9H8O4 =>
11 C7H6O3 + C4H6O3 = 9 C9H8O4
Na3PO4 + AgNO3 = Na(NO3) + Ag3(PO4) =>
Na3PO4 + 3 AgNO3 = 3 Na(NO3) + Ag3(PO4)
Sr(NO3)2 + Na2CO3 = Na2(NO3)2 + SrCO3 =>
Sr(NO3)2 + Na2CO3 = Na2(NO3)2 + SrCO3
C2H2 + (b)O2 = (c)CO2 + (d)H2O =>
2 C2H2 + 5(b)O2 = 4(c)CO2 + 2(d)H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H3 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 2 H3
WO3 + (b)H2 = (c)W + (d)H2O =>
WO3 + 3(b)H2 = (c)W + 3(d)H2O
Br2 + (b)KI = (c)KBr + (d)I2 =>
Br2 + 2(b)KI = 2(c)KBr + (d)I2
CH3COCH3 + O2 = CO2 + H2O =>
CH3COCH3 + 4 O2 = 3 CO2 + 3 H2O
Pb(NO3)2 + (b)NaOH = (c)Pb(OH)2 + (d)NaNO3 =>
Pb(NO3)2 + 2(b)NaOH = (c)Pb(OH)2 + 2(d)NaNO3
CuCl2 + SO2 + H2O = CuCl + HCl + H2SO4 =>
2 CuCl2 + SO2 + 2 H2O = 2 CuCl + 2 HCl + H2SO4
Hg(NO3)2 + Na2S = HgS + NaNO3 =>
Hg(NO3)2 + Na2S = HgS + 2 NaNO3
Fe3O4(s) + C(s) = Fe(l) + CO2(g) =>
Fe3O4(s) + 2 C(s) = 3 Fe(l) + 2 CO2(g)
H2C2O4 + MnO4{-}– + H{+} = CO2 + Mn2 + H2O(l) =>
7 H2C2O4 + 2 MnO4{-}– + 2 H{+} = 14 CO2 + Mn2 + 8 H2O(l)
P2S5(s) + CoCl2(s) + P(s) = CoPS3(s) + PCl3(l) =>
9 P2S5(s) + 15 CoCl2(s) + 7 P(s) = 15 CoPS3(s) + 10 PCl3(l)
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
K2Cr2O7 + K2C2O4 + H2SO4 = Cr2(SO4)3 + CO2 + H2O + K2SO4 =>
K2Cr2O7 + 3 K2C2O4 + 7 H2SO4 = Cr2(SO4)3 + 6 CO2 + 7 H2O + 4 K2SO4
Cr2O3 + Br2 + NaOH = NaBr + Na2CrO4 + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 6 NaBr + 2 Na2CrO4 + 5 H2O
Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
C3H8(g) + O2(g) = CO2(g) + H2O(l) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
Na3PO4 + CoCl2 = NaCl + Co3(PO4)2 =>
2 Na3PO4 + 3 CoCl2 = 6 NaCl + Co3(PO4)2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Tl2(CO3)3(s) + H2SO4(aq) = Tl2(SO4)3(aq) + H2O(l) + CO2(g) =>
Tl2(CO3)3(s) + 3 H2SO4(aq) = Tl2(SO4)3(aq) + 3 H2O(l) + 3 CO2(g)
NaHCO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 CO2 + 2 H2O
C6H14(g) + O2(g) = CO2(g) + H2O(l) =>
2 C6H14(g) + 19 O2(g) = 12 CO2(g) + 14 H2O(l)
CH3NO + O2 = CO2 + H2O + N2 =>
4 CH3NO + 5 O2 = 4 CO2 + 6 H2O + 2 N2
CaCO3(s) + HCl(aq) = CaCl2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + H2O(l) + CO2(g)
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Ag{+} + Cu = Ag + Cu2{+} =>
Ag{+} + 2 Cu = Ag + Cu2{+}
Br2(aq) + NaI(aq) = NaBr(aq) + I2(aq) =>
Br2(aq) + 2 NaI(aq) = 2 NaBr(aq) + I2(aq)
Ca(OH)2(aq) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/13/14
Équations équilibrées sur02/12/13
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