| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + H2C2O4 = K2C2O4 + 2 CrO2 + H2O + 2 O
K2Cr2O7 + H2C2O4 = K2C2O4 + CrO + H2O + O =>
K2Cr2O7 + H2C2O4 = K2C2O4 + 2 CrO + H2O + 4 O
Cu2S + O2 = SO2 + CuO =>
Cu2S + 2 O2 = SO2 + 2 CuO
K2Cr2O7 + H2C2O4 = K2C2O4 + CrO + H2O + O =>
K2Cr2O7 + H2C2O4 = K2C2O4 + 2 CrO + H2O + 4 O
Cr2O72{-} + CH3CH2OH + H{+} = Cr3{+} + CH3COOH + H2O =>
12 Cr2O72{-} + 427 CH3CH2OH + 20 H{+} = 8 Cr3{+} + 427 CH3COOH + 437 H2O
SrO + H2O = Sr(OH)2 =>
SrO + H2O = Sr(OH)2
Cr2O7{2-} + CH3CH2OH + H{+} = Cr{3+} + CH3COOH + H2O =>
2 Cr2O7{2-} + 3 CH3CH2OH + 16 H{+} = 4 Cr{3+} + 3 CH3COOH + 11 H2O
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
K2CO3 + H3PO4 = H2O + CO2 + K + PO4 =>
3 K2CO3 + 2 H3PO4 = 3 H2O + 3 CO2 + 6 K + 2 PO4
P4S3 + O2 = P4O10 + SO2 =>
P4S3 + 8 O2 = P4O10 + 3 SO2
C2 + NaBr = NaC + Br2 =>
C2 + 2 NaBr = 2 NaC + Br2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
MnO2 = Mn3O4 + O2 =>
3 MnO2 = Mn3O4 + O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
NH4Cl + Ba(OH)2 = NH3 + BaCl2 + H2O =>
2 NH4Cl + Ba(OH)2 = 2 NH3 + BaCl2 + 2 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + HC = H2 + MgC2 =>
Mg + 2 HC = H2 + MgC2
KCO3 = KC + O2 =>
2 KCO3 = 2 KC + 3 O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
H2S = H2 + S =>
H2S = H2 + S
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Ca3(PO4)2(s) + SiO2(s) + C(s) = CaSiO3(s) + CO(g) + P4(s) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C(s) = 6 CaSiO3(s) + 10 CO(g) + P4(s)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + 10 CO + P4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaCl + Hg2(NO3)2 = NaNO3 + Hg2Cl2 =>
2 NaCl + Hg2(NO3)2 = 2 NaNO3 + Hg2Cl2
Mg + H2O = Mg(OH)2 + H =>
Mg + 2 H2O = Mg(OH)2 + 2 H
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeCl2 + H2O2 + HCl = FeCl3 + H2O =>
2 FeCl2 + H2O2 + 2 HCl = 2 FeCl3 + 2 H2O
(NH4)2Cr2O7 = H2O + N2 + Cr2O3 =>
(NH4)2Cr2O7 = 4 H2O + N2 + Cr2O3
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
WO3 + SnCl2 + HCl = W3O8 + H2SnCl6 + H2O =>
3 WO3 + SnCl2 + 4 HCl = W3O8 + H2SnCl6 + H2O
Bi2O3 + NaOH + NaOCl = NaBiO3 + H2O + NaCl =>
Bi2O3 + 2 NaOH + 2 NaOCl = 2 NaBiO3 + H2O + 2 NaCl
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
FeSO4 + HIO3 + H2SO4 = I2 + Fe2(SO4)3 + H2O =>
10 FeSO4 + 2 HIO3 + 5 H2SO4 = I2 + 5 Fe2(SO4)3 + 6 H2O
KMnO4 + HNO2 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
2 KMnO4 + 5 HNO2 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
Al + HNO3 = N2 + Al(NO3)3 + H2O =>
10 Al + 36 HNO3 = 3 N2 + 10 Al(NO3)3 + 18 H2O
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
WO3 + SnCl2 + HCl = W3O8 + H2SnCl6 + H2O =>
3 WO3 + SnCl2 + 4 HCl = W3O8 + H2SnCl6 + H2O
KMnO4 + K2SO3 + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 K2SO3 + 3 H2SO4 = 2 MnSO4 + 6 K2SO4 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/10/08
Équations équilibrées sur11/09/07
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