| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca + 2 K3N = 6 K + Ca3N2
Cr(s) + HCl(aq) = CrCl2(aq) + H2(g) =>
Cr(s) + 2 HCl(aq) = CrCl2(aq) + H2(g)
Cl2O7 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
Cl2O7 + Ba(OH)2 = Ba(ClO4)2 + H2O
KOH + H3AsO4 = K2HAsO4 + H2O =>
2 KOH + H3AsO4 = K2HAsO4 + 2 H2O
CdOHCl + HClO4 = CdCl + Cd(ClO4)2 + H2O =>
9 CdOHCl + HClO4 = 8 CdCl + Cd(ClO4)2 + 5 H2O
C6H8O7 + CaCO3 = CO2 + Ca3(C6H5O7)2 + H2O =>
2 C6H8O7 + 3 CaCO3 = 3 CO2 + Ca3(C6H5O7)2 + 3 H2O
Cl2H2O = HCl + HClO3 =>
3 Cl2H2O = 5 HCl + HClO3
Pd(NO3)2(s) + Na2S(aq) = PdS(s) + NaNO3(aq) =>
Pd(NO3)2(s) + Na2S(aq) = PdS(s) + 2 NaNO3(aq)
NaHCO3 + HCl = NaCl + H2O + HCO2Cl =>
NaHCO3 + 2 HCl = NaCl + H2O + HCO2Cl
CrBr2 + NaCO3 = NaBr2 + CrCO3 =>
CrBr2 + NaCO3 = NaBr2 + CrCO3
AuNO3 + N2H2 = Au + N2 + HNO3 =>
2 AuNO3 + N2H2 = 2 Au + N2 + 2 HNO3
CrO4{2-} + CN{-} + H2O = CNO{-} + Cr(OH)4{-} + OH{-4} =>
8 CrO4{2-} + 15 CN{-} + 17 H2O = 15 CNO{-} + 8 Cr(OH)4{-} + 2 OH{-4}
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
CaO + H2O = Ca + (OH)2 =>
CaO + H2O = Ca + (OH)2
CH3CH2CH2CH2CH2CH2COOH + NaOH = NaH + CO2 + H2O =>
CH3CH2CH2CH2CH2CH2COOH + 19 NaOH = 19 NaH + 7 CO2 + 7 H2O
Pb + Cu(OH)2 = Pb(OH)2 + Cu =>
Pb + Cu(OH)2 = Pb(OH)2 + Cu
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
MgHPO4 + K2SO4 = KMgPO4 + H2SO4 =>
2 MgHPO4 + K2SO4 = 2 KMgPO4 + H2SO4
Cr(m) + O(g) = CrO3 =>
Cr(m) + 3 O(g) = CrO3
Cs + NaCl = CsCl + Na =>
Cs + NaCl = CsCl + Na
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaBr2 + Na2SO4 = Na2Br2 + BaSO4 =>
BaBr2 + Na2SO4 = Na2Br2 + BaSO4
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
UO2 + O2 = (UO2)O2 = UO4 =>
UO2 + O2 = (UO2)O2
C3H6O3 + KOH = KC3H5O3 + H2O =>
C3H6O3 + KOH = KC3H5O3 + H2O
C2H3O + H2 = CH4 + CO2 =>
2 C2H3O + 3 H2 = 3 CH4 + CO2
KI + FeCl3 = FeCl2 + I2 + KCl =>
2 KI + 2 FeCl3 = 2 FeCl2 + I2 + 2 KCl
CHI + Na2S2O3 = NaCI + SO2 + S + H2O =>
2 CHI + Na2S2O3 = 2 NaCI + SO2 + S + H2O
Zn2 + (CO3)2 = Zn(CO3)2(s) =>
Zn2 + 2(CO3)2 = 2 Zn(CO3)2(s)
AgNO3 + (NH4)2CrO4 = Ag2CrO4 + NH4NO3 =>
2 AgNO3 + (NH4)2CrO4 = Ag2CrO4 + 2 NH4NO3
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
HOC6H4CH2OH + Na = NaOC6H4CH2OH + H2 =>
2 HOC6H4CH2OH + 2 Na = 2 NaOC6H4CH2OH + H2
CrSO4 + KNO2 + H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 CrSO4 + 2 KNO2 + 4 H2SO4 = N2 + 3 Cr2(SO4)3 + K2SO4 + 4 H2O
Al(NO3)3*9H2O + NaOH = Al2O3 + NaNO3 + H2O =>
2 Al(NO3)3*9H2O + 6 NaOH = Al2O3 + 6 NaNO3 + 21 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Pb(NO3)2 + PI = PbI2 + PNO3 =>
Pb(NO3)2 + 2 PI = PbI2 + 2 PNO3
Na2CO3(s) + HCl(aq) = NaCl(aq) + H2O(l) + CO2 =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2
C4H10 + AlCl3 = C4H9Cl3 + HAl =>
C4H10 + AlCl3 = C4H9Cl3 + HAl
NH3 + CH3CH2CH2Cl = CH3CH2CH2NH3Cl =>
NH3 + CH3CH2CH2Cl = CH3CH2CH2NH3Cl
KIBr = KBr + I =>
KIBr = KBr + I
X + YZ = XY + Z =>
X + YZ = XY + Z
C2H12O3 + O2 = CO2 + H2O =>
2 C2H12O3 + 7 O2 = 4 CO2 + 12 H2O
Na + H2Cl2 = H2 + NaCl2 =>
Na + H2Cl2 = H2 + NaCl2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
La(NO3)2*6H2O + Sr(NO3)2 + Mn(NO3)2*4H2O + C2H5NO2 = LaSrMnO3 + CO2 + N2 + H2O =>
3 La(NO3)2*6H2O + 3 Sr(NO3)2 + 3 Mn(NO3)2*4H2O + 10 C2H5NO2 = 3 LaSrMnO3 + 20 CO2 + 14 N2 + 55 H2O
HClO4 + Fe(OH)3 = HOH + Fe(ClO4)3 =>
3 HClO4 + Fe(OH)3 = 3 HOH + Fe(ClO4)3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Be + Cl2 = Cl3Be =>
2 Be + 3 Cl2 = 2 Cl3Be
C2H5OH + KMnO4 + NaOH = CH3COONa + KOH + Mn(OH)2 + H2O =>
5 C2H5OH + 4 KMnO4 + 5 NaOH = 5 CH3COONa + 4 KOH + 4 Mn(OH)2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/18/25
Équations équilibrées sur03/20/24
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