| Équations équilibrées la veille |
4 Na + O2 = 2 Na2O
Sm2O3 + Ta2O5 = SmTa7O19 =>
Sm2O3 + 7 Ta2O5 = 2 SmTa7O19
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
Li + N2 = Li3N = Li + N2 =>
6 Li + N2 = 2 Li3N
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
C5H7NO2H30O15 = C10H22 + N2 + H2O + CO2 =>
62 C5H7NO2H30O15 = 23 C10H22 + 31 N2 + 894 H2O + 80 CO2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Cu(CO2) = Cu + CO2 =>
Cu(CO2) = Cu + CO2
FeS + Na2CO3 = FeO + Na2O + CO + SO3 =>
FeS + 4 Na2CO3 = FeO + 4 Na2O + 4 CO + SO3
Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2CO3(aq) + OH(aq) = CO3(aq) + H2O =>
H2CO3(aq) + 2 OH(aq) = CO3(aq) + 2 H2O
O2 + FeS + NH4NO3 = Fe(NO3)3 + Fe(HS)3 + H2O =>
27 O2 + 12 FeS + 12 NH4NO3 = 8 Fe(NO3)3 + 4 Fe(HS)3 + 18 H2O
LiHCO3(s) + H2SO4(aq) = Li2SO4(aq) + H2O(l) + CO2(g) =>
2 LiHCO3(s) + H2SO4(aq) = Li2SO4(aq) + 2 H2O(l) + 2 CO2(g)
KBr + H2SO4 = K2SO4 + HBr =>
2 KBr + H2SO4 = K2SO4 + 2 HBr
W + H2 = WH2 =>
W + H2 = WH2
NaOH + NH4NO3 = NaNO3 + NH4OH =>
NaOH + NH4NO3 = NaNO3 + NH4OH
S2F2 = S + F2 =>
S2F2 = 2 S + F2
(NH4)2S + KI = (NH4)I + K2S =>
(NH4)2S + 2 KI = 2(NH4)I + K2S
Cd(NO3)2 + Na2S = CdS + NaNO3 =>
Cd(NO3)2 + Na2S = CdS + 2 NaNO3
KOH + AlCl3 = KCl3 + AlOH =>
KOH + AlCl3 = KCl3 + AlOH
C + H2 = CH4 =>
C + 2 H2 = CH4
Na2SeO3 + NaI + HBr = I2 + Se3 + NaBr + H2O =>
3 Na2SeO3 + 12 NaI + 18 HBr = 6 I2 + Se3 + 18 NaBr + 9 H2O
KI + Cu = K + CuI =>
KI + Cu = K + CuI
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
BaCl2 + K2CO3 = Ba(CO3) + ClK =>
BaCl2 + K2CO3 = Ba(CO3) + 2 ClK
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
(NH4)2SO4*FeSO4 + H2C2O4 = FeC2O4 + (NH4)2SO4 + H2SO4 =>
(NH4)2SO4*FeSO4 + H2C2O4 = FeC2O4 + (NH4)2SO4 + H2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
MgCl2 + HF = HCl + MgF2 =>
MgCl2 + 2 HF = 2 HCl + MgF2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H14O + NO3{-} + H{+} + H2O = HCO3{-} + NH4{+} =>
2 C6H14O + 9 NO3{-} + 6 H{+} + 7 H2O = 12 HCO3{-} + 9 NH4{+}
PCl5 = PCl3 + Cl2 =>
PCl5 = PCl3 + Cl2
H + NO = H2O + N =>
2 H + NO = H2O + N
C4H8Cl2 + Na = C4H8 + NaCl =>
C4H8Cl2 + 2 Na = C4H8 + 2 NaCl
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca(OH)2 + NaCl = CaCl2 + NaOH =>
Ca(OH)2 + 2 NaCl = CaCl2 + 2 NaOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C2H5OH + O = CH3COOH + H2O =>
C2H5OH + 2 O = CH3COOH + H2O
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
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Équations équilibrées sur10/22/24
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