| Équations équilibrées la veille |
3 CrCl3 + 8 KOH + 4 KMnO4 = 3 KCrO4 + 4 MnO2 + 9 KCl + 4 H2O
SeO2 + C = Se + CO =>
SeO2 + 2 C = Se + 2 CO
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Fe(CO3) + H2SO4 = Fe(SO4) + CO2 + H2O =>
Fe(CO3) + H2SO4 = Fe(SO4) + CO2 + H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
SO3{-2} + H2O = SO4{-2} + H{+} + e =>
SO3{-2} + H2O = SO4{-2} + 2 H{+} + 2e
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Cu + S = CuS =>
Cu + S = CuS
BeCl2 + H2SO4 = BeSO4 + HCl =>
BeCl2 + H2SO4 = BeSO4 + 2 HCl
N2 + HNO3 = NO + NH3 =>
7 N2 + 6 HNO3 = 18 NO + 2 NH3
Zr + HCl = ZrCl + H =>
Zr + HCl = ZrCl + H
C8H118 + O2 = CO2 + H2O =>
2 C8H118 + 75 O2 = 16 CO2 + 118 H2O
CO + H = (CH4) + H2O =>
CO + 6 H = (CH4) + H2O
FeCl3HI = FeCl2HClI =>
FeCl3HI = FeCl2HClI
NH3*H2O + H2SO4 = (NH4)2SO4 + H2O =>
2 NH3*H2O + H2SO4 = (NH4)2SO4 + 2 H2O
Al2(SO4)3 + BaCl2 = Al(Cl)3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 Al(Cl)3 + 3 BaSO4
HCl + K2SO3 = KCl + H2O + SO2 =>
2 HCl + K2SO3 = 2 KCl + H2O + SO2
(NH4)2Cr2O7 = Cr2O3 + N + H2O =>
(NH4)2Cr2O7 = Cr2O3 + 2 N + 4 H2O
CH3CH2CH2CH2Br + AgNO3 = CH3CH2CH2CH2NO3 + AgBr =>
CH3CH2CH2CH2Br + AgNO3 = CH3CH2CH2CH2NO3 + AgBr
CO2 + H2O = C3H12O3 + O2 =>
6 CO2 + 12 H2O = 2 C3H12O3 + 9 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Mg2 + NaF = MgF2 + Na =>
Mg2 + 4 NaF = 2 MgF2 + 4 Na
C3H8O5 + O2 = CO2 + H2O =>
2 C3H8O5 + 5 O2 = 6 CO2 + 8 H2O
IF7 + H2O = H5IO6 + HF =>
IF7 + 6 H2O = H5IO6 + 7 HF
Pb{2+} + Cu{+} = Pb + Cu{2+} =>
Pb{2+} + 2 Cu{+} = Pb + 2 Cu{2+}
C2H2N2O4 + O2 = CO2 + H2O + N =>
2 C2H2N2O4 + O2 = 4 CO2 + 2 H2O + 4 N
Sr(NO3)2 + NaHSO4 = NaNO3 + Sr(HSO4)2 =>
Sr(NO3)2 + 2 NaHSO4 = 2 NaNO3 + Sr(HSO4)2
Al(s) + CaO(s) = Ca(s) + Al2O(s) =>
2 Al(s) + CaO(s) = Ca(s) + Al2O(s)
C4HOH9 + O2 = CO2 + H2O =>
C4HOH9 + 6 O2 = 4 CO2 + 5 H2O
K2SO4NaCl = NaSO4K2Cl =>
K2SO4NaCl = NaSO4K2Cl
[Fe(C12H8N2)3]2 + [(C6H5)4BNa] = [Fe(C12H8N2)3][(C6H5)4B]2 + Na =>
[Fe(C12H8N2)3]2 + 4[(C6H5)4BNa] = 2[Fe(C12H8N2)3][(C6H5)4B]2 + 4 Na
CO + Cl2 = COCl4 =>
CO + 2 Cl2 = COCl4
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
AgNO3 + FeCl3 = Fe(NO3)3 + AgCl =>
3 AgNO3 + FeCl3 = Fe(NO3)3 + 3 AgCl
CH3(CH2)42CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)42CH3 + 133 O2 = 88 CO2 + 90 H2O
H2S + HNO3 = NO + H2O + S =>
3 H2S + 2 HNO3 = 2 NO + 4 H2O + 3 S
KPO4 + BaCl2 = KCl2 + BaPO4 =>
KPO4 + BaCl2 = KCl2 + BaPO4
H + NO3 = (H2)2O + N3 =>
36 H + 3 NO3 = 9(H2)2O + N3
HCl + NH4Br = NH4Cl + HBr =>
HCl + NH4Br = NH4Cl + HBr
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Cu{2+} + S{-2} = CuS =>
Cu{2+} + S{-2} = CuS
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
S + O2 = SO2 =>
S + O2 = SO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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