| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 Fe + 36 HNO3(conc) = 10 Fe(NO3)3 + 3 N2 + 18 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
MnO2(s) + HCl(aq) = MnCl(s) + Cl2(g) + H2O =>
2 MnO2(s) + 8 HCl(aq) = 2 MnCl(s) + 3 Cl2(g) + 4 H2O
Mg + O2 = MgO2 =>
Mg + O2 = MgO2
CaCl2 + NaOH = NaCl2CaOH =>
CaCl2 + NaOH = NaCl2CaOH
ZrCl4 = Zr + Cl =>
ZrCl4 = Zr + 4 Cl
Al + Hg(NO3)2 = Al(NO3)3 + Hg =>
2 Al + 3 Hg(NO3)2 = 2 Al(NO3)3 + 3 Hg
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
KC15H31COO + H2SO4 = K2SO4 + C15H31COOH =>
2 KC15H31COO + H2SO4 = K2SO4 + 2 C15H31COOH
Cr(OH)3 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 Cr(OH)3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
CaC2 + H2O = [Ca(OH)2] + C2H2 =>
CaC2 + 2 H2O = [Ca(OH)2] + C2H2
FeCl2 + Na2CO3 = FeCO3 + NaCl =>
FeCl2 + Na2CO3 = FeCO3 + 2 NaCl
NH4 + OH = NH3 + H2O =>
NH4 + OH = NH3 + H2O
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Na2CO3 + SiO2 = Na2SiO3 + CO2 =>
Na2CO3 + SiO2 = Na2SiO3 + CO2
Cu + SO3 = CuSO4 + SO2 =>
Cu + 2 SO3 = CuSO4 + SO2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
MgO + NaCl = MgCl2 + Na2O =>
MgO + 2 NaCl = MgCl2 + Na2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaBrO3 + F2 + Na2CO3 = NaBrO4 + NaF + CO2 =>
NaBrO3 + F2 + Na2CO3 = NaBrO4 + 2 NaF + CO2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Pb(NO3)2Na2SO4 = Pb(NO3)2 + Na2SO4 =>
Pb(NO3)2Na2SO4 = Pb(NO3)2 + Na2SO4
Na2SO4 + KCl = NaCl + SO4K2 =>
Na2SO4 + 2 KCl = 2 NaCl + SO4K2
N + O2 = N2O =>
4 N + O2 = 2 N2O
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Na3PO4 + HOH = NaOH + H3PO4 =>
Na3PO4 + 3 HOH = 3 NaOH + H3PO4
SnCl4 + H2 = Sn + HCl =>
SnCl4 + 2 H2 = Sn + 4 HCl
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Cr2O3 + Si = Cr + SiO2 =>
2 Cr2O3 + 3 Si = 4 Cr + 3 SiO2
Zn2CO3 + HCl = ZnCl + CO2 + H2O =>
Zn2CO3 + 2 HCl = 2 ZnCl + CO2 + H2O
H2SO4 + NaS = Na2SO4 + HS =>
H2SO4 + 2 NaS = Na2SO4 + 2 HS
ZrCl4 = Zr + Cl =>
ZrCl4 = Zr + 4 Cl
Ag2CrO4 + CH3COOH = Ag{+} + CH3COO{-} + Cr2O7{-2} + H2O =>
2 Ag2CrO4 + 2 CH3COOH = 4 Ag{+} + 2 CH3COO{-} + Cr2O7{-2} + H2O
K2SO4 + HOH = H2SO4 + KOH =>
K2SO4 + 2 HOH = H2SO4 + 2 KOH
NaHO + CaBr2 = NaBr + Ca(OH)2 =>
2 NaHO + CaBr2 = 2 NaBr + Ca(OH)2
Na2CO3 + CH3COOH = CO2 + H2O + C2H3NaO2 =>
Na2CO3 + 2 CH3COOH = CO2 + H2O + 2 C2H3NaO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
N + P = NP =>
N + P = NP
Sn{2+} + KMnO4 = K{+} + Sn(MnO4)2 =>
Sn{2+} + 2 KMnO4 = 2 K{+} + Sn(MnO4)2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C2H5Cl2 + Na = C4H10 + NaCl =>
2 C2H5Cl2 + 4 Na = C4H10 + 4 NaCl
P2 + Cl = PCl5 =>
P2 + 10 Cl = 2 PCl5
Hg2(NO2)2 + HCl = HgCl2 + H2NO2 =>
Hg2(NO2)2 + 4 HCl = 2 HgCl2 + 2 H2NO2
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
W + HF + HNO3 = H2[WO2F4] + NO + H2O =>
W + 4 HF + 2 HNO3 = H2[WO2F4] + 2 NO + 2 H2O
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
HI + ZnCO3 = ZnI2 + H2CO3 =>
2 HI + ZnCO3 = ZnI2 + H2CO3
Ca(OH)2 + NH4NO2 = H2O + NH3 + Ca(NO2) =>
6 Ca(OH)2 + 5 NH4NO2 = 10 H2O + 4 NH3 + 6 Ca(NO2)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/16/24
Équations équilibrées sur12/16/23
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