| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + Na2SO4 = K2SO4 + Na2Cr2O7
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 = CH3COOH + Cu2O + 2 H2O
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
CH3CHO + H2 = C2H5OH =>
CH3CHO + H2 = C2H5OH
HNO3 + Zn = H2O + NO2 + Zn(NO3)2 =>
4 HNO3 + Zn = 2 H2O + 2 NO2 + Zn(NO3)2
K2Cr2O7 + Na2SO4 = K2SO4 + Na2Cr2O4 + O2 =>
2 K2Cr2O7 + 2 Na2SO4 = 2 K2SO4 + 2 Na2Cr2O4 + 3 O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
C5H6NCl + H2O = C5H6N + HCl + OH =>
C5H6NCl + H2O = C5H6N + HCl + OH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
C + H2 = CH4 =>
C + 2 H2 = CH4
C2H4O2 + O2 = H2O + CO2 =>
C2H4O2 + 2 O2 = 2 H2O + 2 CO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HNO3 + Zn = H2O + NO + Zn(NO3)2 =>
8 HNO3 + 3 Zn = 4 H2O + 2 NO + 3 Zn(NO3)2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
PbSO4 + AgNO3 = AgSO4 + PbNO3 =>
PbSO4 + AgNO3 = AgSO4 + PbNO3
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2CrO4 + H2SO4 = Na2SO4 + Cr2(SO4) + H2O + O2 =>
4 Na2CrO4 + 6 H2SO4 = 4 Na2SO4 + 2 Cr2(SO4) + 6 H2O + 5 O2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
ZnO + CaCO3 = ZnCO3 + CaO =>
ZnO + CaCO3 = ZnCO3 + CaO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
MnSO4 + PbO2 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)2 + H2O =>
2 MnSO4 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 2 PbSO4 + 3 Pb(NO3)2 + 2 H2O
SO3{2-} + Cr2O7{2-} + H3O{+} = SO4{2-} + Cr{3+} + H2O =>
3 SO3{2-} + Cr2O7{2-} + 8 H3O{+} = 3 SO4{2-} + 2 Cr{3+} + 12 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Zn + NO3{-} + H2O = ZnO2{2-} + NH3 + H{+} =>
4 Zn + NO3{-} + 5 H2O = 4 ZnO2{2-} + NH3 + 7 H{+}
Pb(OH)2 + NaOH = Na2Pb(OH)4 =>
Pb(OH)2 + 2 NaOH = Na2Pb(OH)4
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
PbO + NaOH + H2O = Na2Pb(OH)4 =>
PbO + 2 NaOH + H2O = Na2Pb(OH)4
C2H3Cl + O2 = CO2 + H20 + HCl =>
10 C2H3Cl + 20 O2 = 20 CO2 + H20 + 10 HCl
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
H + O = H2O =>
2 H + O = H2O
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4 =>
Ag2SO4 + NaNO3 = Ag2NO3 + NaSO4
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
C5H6N + H2O = C5H5N + H3O =>
C5H6N + H2O = C5H5N + H3O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
MnO4{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H20 =>
20 MnO4{-} + 80 NO2{-} + 60 H{+} = 20 Mn{2+} + 80 NO3{-} + 3 H20
Ca + H2O = Ca(OH) + H2 =>
2 Ca + 2 H2O = 2 Ca(OH) + H2
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
Cr2O3 + Na2CO3 + KNO3 = CO2 + Na2CrO4 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 CO2 + 2 Na2CrO4 + 3 KNO2
C2H6 + O2 = CO2 + HO =>
C2H6 + 5 O2 = 2 CO2 + 6 HO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/12
Équations équilibrées sur11/03/11
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