| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 ZnO + Al2(SO4)3 = 3 ZnSO4 + Al2O3
C4H10 + [O] = CO2 + H2O =>
C4H10 + 13[O] = 4 CO2 + 5 H2O
C8H18 + N2 = CN2 + H2N =>
2 C8H18 + 25 N2 = 16 CN2 + 18 H2N
H2CI2 + Ca = CaCI2 + H2 =>
H2CI2 + Ca = CaCI2 + H2
Na2CO3 + C2H4O3 = C2H3O2Na + CO2 + H2O =>
3 Na2CO3 + 8 C2H4O3 = 6 C2H3O2Na + 7 CO2 + 7 H2O
CaSiO4 + H2O = H2SiO4 + Ca(OH)2 =>
CaSiO4 + 2 H2O = H2SiO4 + Ca(OH)2
K2MnO4 + MgI2 + HNO3 = I2 + Mg(NO3)2 + Mn(NO3)2 + KNO3 + H2O =>
K2MnO4 + 2 MgI2 + 8 HNO3 = 2 I2 + 2 Mg(NO3)2 + Mn(NO3)2 + 2 KNO3 + 4 H2O
Ag2NO3 + Mn(NO3)2 = Ag2(NO3)2 + MnNO3 =>
Ag2NO3 + Mn(NO3)2 = Ag2(NO3)2 + MnNO3
NH3 + H3PO4 = NPO4 + H6 =>
NH3 + H3PO4 = NPO4 + H6
C12H22O11 + H2SO4 + KMnO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 C12H22O11 + 72 H2SO4 + 48 KMnO4 = 60 CO2 + 127 H2O + 48 MnSO4 + 24 K2SO4
C9H13O3N + OH = C9H12O3N + H2O =>
C9H13O3N + OH = C9H12O3N + H2O
CuCO3 + MnF4 = CuF2 + Mn(CO3)2 =>
2 CuCO3 + MnF4 = 2 CuF2 + Mn(CO3)2
Cr2O7{-2} + Cl{-} + H{+} = Cr{+3} + H2O + Cl2 =>
Cr2O7{-2} + 6 Cl{-} + 14 H{+} = 2 Cr{+3} + 7 H2O + 3 Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Hg(NO3)2 + NaI = NaNO3 + HgI4{2-} + Na{+} =>
Hg(NO3)2 + 4 NaI = 2 NaNO3 + HgI4{2-} + 2 Na{+}
K2SO3 + K2Cr2O7 + HCl = K2SO4 + Cr2Cl3 + H2O + KCl =>
9 K2SO3 + 2 K2Cr2O7 + 10 HCl = 9 K2SO4 + 2 Cr2Cl3 + 5 H2O + 4 KCl
Se + Cl2 = Se4Cl =>
8 Se + Cl2 = 2 Se4Cl
CH3CH2CHBrCH3 + Na = CH3CH2CHNaCH3 + Br2 =>
2 CH3CH2CHBrCH3 + 2 Na = 2 CH3CH2CHNaCH3 + Br2
H2CI2 + Ca = CaCI2 + H2 =>
H2CI2 + Ca = CaCI2 + H2
H + BrO2 = HBr + O2 =>
H + BrO2 = HBr + O2
Cr2(CO3)3(s) + Na2S + H2O = Cr(OH)3 + H2S + Na2CO3 =>
Cr2(CO3)3(s) + 3 Na2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 3 Na2CO3
NiC2O4*2H2O + O2 = Ni2O + H2O + CO2 =>
4 NiC2O4*2H2O + O2 = 2 Ni2O + 8 H2O + 8 CO2
NaHCO3 + MgCO3 = Na2CO3 + Mg(HCO3)2 =>
2 NaHCO3 + MgCO3 = Na2CO3 + Mg(HCO3)2
CuCI2Ai = CuAiCI2 =>
CuCI2Ai = CuAiCI2
C57H104O6 + C6H10 = C57H110O6 + C6H6 =>
2 C57H104O6 + 3 C6H10 = 2 C57H110O6 + 3 C6H6
Cd + Sn(NO2)2 = Cd(NO2)3 + Sn =>
2 Cd + 3 Sn(NO2)2 = 2 Cd(NO2)3 + 3 Sn
Sulfurdioxide + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Cl2O + CaO = Ca(ClO3)2 + CaCl2 =>
3 Cl2O + 3 CaO = Ca(ClO3)2 + 2 CaCl2
CuSO4 + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4 + 4 NH4OH = [Cu(NH3)4]SO4 + 4 H2O
Zn + CuCl10 = Cu + Zn14Cl =>
140 Zn + CuCl10 = Cu + 10 Zn14Cl
(ClO4){-} + (I){-} + H{+} = (Cl){-} + I2 + H2O =>
(ClO4){-} + 8(I){-} + 8 H{+} = (Cl){-} + 4 I2 + 4 H2O
Ba(NO3)2 + MgSO4 = BaSO4 + Mg(NO3)2 =>
Ba(NO3)2 + MgSO4 = BaSO4 + Mg(NO3)2
CaI2 + LiClO4 = LiI + Ca(ClO4)2 =>
CaI2 + 2 LiClO4 = 2 LiI + Ca(ClO4)2
Sb + Br2 + KOH = K3[SbO4] + KBr + H2O =>
2 Sb + 5 Br2 + 16 KOH = 2 K3[SbO4] + 10 KBr + 8 H2O
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2 =>
KHCO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2
Br + HNO3 = Br(NO3)5 + N2O3 + H2O =>
4 Br + 30 HNO3 = 4 Br(NO3)5 + 5 N2O3 + 15 H2O
K2Cr2O7 + Na2SO3 + H2SO4 = K2SO4 + Cr2(SO3)3 + Na2SO4 + H2O =>
K2Cr2O7 + 6 Na2SO3 + 4 H2SO4 = K2SO4 + Cr2(SO3)3 + 6 Na2SO4 + 4 H2O
I2(g) + H2(g) = HI(g) =>
I2(g) + H2(g) = 2 HI(g)
H2CI2 + Ca = CaCI2 + H2 =>
H2CI2 + Ca = CaCI2 + H2
Mn(OH)2 = Mn + O2 + H =>
Mn(OH)2 = Mn + O2 + 2 H
NaHCO3 + HC3H3O2 = NaC3H3O2 + H2O + CO2 =>
NaHCO3 + HC3H3O2 = NaC3H3O2 + H2O + CO2
CH3CHO + [Ag(NH3)2]{+} + H2O = NH4{+} + NH3 + CH3COOH + Ag =>
CH3CHO + 2[Ag(NH3)2]{+} + H2O = 2 NH4{+} + 2 NH3 + CH3COOH + 2 Ag
AgClO3 + Pb(ClO)2 = Pb(ClO3)2 + AgClO =>
2 AgClO3 + Pb(ClO)2 = Pb(ClO3)2 + 2 AgClO
Z + S = ZS =>
Z + S = ZS
H2SO4 + KMnO4 + KNO2 = MnSO4 + K2SO4 + KNO3 + H2O =>
3 H2SO4 + 2 KMnO4 + 5 KNO2 = 2 MnSO4 + K2SO4 + 5 KNO3 + 3 H2O
Cu2S + HNO3 = Cu(NO3)2 + SO2 + NO + H2O =>
3 Cu2S + 20 HNO3 = 6 Cu(NO3)2 + 3 SO2 + 8 NO + 10 H2O
KCn + HCl = HCn + KCl =>
KCn + HCl = HCn + KCl
Se + Cl2 = Se2Cl2 =>
2 Se + Cl2 = Se2Cl2
NH3 + AlCl3 = HCl + Al(NH2)3 =>
3 NH3 + AlCl3 = 3 HCl + Al(NH2)3
NH4Cl + MgCO3 = MgCl2 + (NH4)2CO3 =>
2 NH4Cl + MgCO3 = MgCl2 + (NH4)2CO3
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Équations équilibrées sur12/21/24
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