| Équations équilibrées la veille |
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
H250 + NaOH = Na2504 + H2O =>
1252 H250 + 313000 NaOH = 125 Na2504 + 313000 H2O
H2SiO3 + CO2 = H2CO3 + SiO2 =>
H2SiO3 + CO2 = H2CO3 + SiO2
HCl(aq) + Ba(OH)2 = BaCl2(aq) + H2O =>
2 HCl(aq) + Ba(OH)2 = BaCl2(aq) + 2 H2O
Be(Cl) + NaOH = BeOH + NaCl =>
Be(Cl) + NaOH = BeOH + NaCl
Bi(OH)3 + H2SeO4 = BiH(SeO4)2 + H2O =>
Bi(OH)3 + 2 H2SeO4 = BiH(SeO4)2 + 3 H2O
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
Ni(NO3)2 + KSCN + PPh3 = Ni(SCN)2(PPh3)2 + KNO3 =>
Ni(NO3)2 + 2 KSCN + 2 PPh3 = Ni(SCN)2(PPh3)2 + 2 KNO3
Si + HF + HNO3 = SiF4 + NO + H2O =>
3 Si + 12 HF + 4 HNO3 = 3 SiF4 + 4 NO + 8 H2O
HCl(aq) = HCl =>
HCl(aq) = HCl
Cu2S(s) + O2(g) = Cu(t) + SO2(g) =>
Cu2S(s) + O2(g) = 2 Cu(t) + SO2(g)
C5H8O2N + O2 = CO2 + H2O + N2 =>
2 C5H8O2N + 12 O2 = 10 CO2 + 8 H2O + N2
Ca(OH)2Cl2 = CaOCl2H2O =>
Ca(OH)2Cl2 = CaOCl2H2O
H2S + KMnO4 + HCl + KCl = K2SO4 + MnCl2 + H2O =>
5 H2S + 8 KMnO4 + 14 HCl + 2 KCl = 5 K2SO4 + 8 MnCl2 + 12 H2O
ClO + HCl + KI + C6H10O5 = H2O + K3Cl + C6H10O5I =>
ClO + 2 HCl + 9 KI + 9 C6H10O5 = H2O + 3 K3Cl + 9 C6H10O5I
Co(NO3)2 + Na2C2O4 = NaNO3 + CoC2O4 =>
Co(NO3)2 + Na2C2O4 = 2 NaNO3 + CoC2O4
C18H34O2 + KMnO4 + H2SO4 = C18H33OO + H2O + K2SO4 + MnSO4 =>
10 C18H34O2 + 2 KMnO4 + 3 H2SO4 = 10 C18H33OO + 8 H2O + K2SO4 + 2 MnSO4
C12H23NaO2 + HCl = C12H24O2 + NaCl =>
C12H23NaO2 + HCl = C12H24O2 + NaCl
NO3{-} + C6H12 = CO2 + N2 + OH{-} + H2O =>
36 NO3{-} + 5 C6H12 = 30 CO2 + 18 N2 + 36 OH{-} + 12 H2O
Ca(OH)2CuSO4 = CaSO4Cu(OH)2 =>
Ca(OH)2CuSO4 = CaSO4Cu(OH)2
C4H6O6 + NaOH = Na2C4H4O6 + H2O =>
C4H6O6 + 2 NaOH = Na2C4H4O6 + 2 H2O
I2 + BaCl2 = Ba + ICl =>
I2 + BaCl2 = Ba + 2 ICl
KCl + CO2 + MgCO3(H2O)3 = KHCO3MgCO3(H2O)4 + MgCl2 =>
2 KCl + CO2 + 3 MgCO3(H2O)3 = 2 KHCO3MgCO3(H2O)4 + MgCl2
H2 + MnO2 = Mn + H2O =>
2 H2 + MnO2 = Mn + 2 H2O
Al(s) + FeO(s) = Al2O3(s) + Fe(l) =>
2 Al(s) + 3 FeO(s) = Al2O3(s) + 3 Fe(l)
S + KNO3 = SO2 + NO2 + K2S =>
2 S + 2 KNO3 = SO2 + 2 NO2 + K2S
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
BaCO3 + ZnO + NH4H2PO4 = BaZnP2O7 + NH3 + CO2 + H2O =>
BaCO3 + ZnO + 2 NH4H2PO4 = BaZnP2O7 + 2 NH3 + CO2 + 3 H2O
C57H104C6 + O2 = CO2 + H2O =>
C57H104C6 + 89 O2 = 63 CO2 + 52 H2O
KC(s)l = K + Cl =>
KC(s)l = K + Cl
CrO2{-}(aq) + H2O(l) + ClO{-}(aq) = CrO4{2-}(aq) + Cl2(g) + OH{-}(aq) =>
2 CrO2{-}(aq) + 2 H2O(l) + 6 ClO{-}(aq) = 2 CrO4{2-}(aq) + 3 Cl2(g) + 4 OH{-}(aq)
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O =>
K[Al(OH)4] + NH4Cl = Al(OH)3 + NH3 + KCl + H2O
NH4(SO4) + CaHOH = Ca(SO4) + NH4HOH =>
NH4(SO4) + CaHOH = Ca(SO4) + NH4HOH
Ag2O + C6H12O6 = Ag + (COOH)2 + H2O =>
9 Ag2O + C6H12O6 = 18 Ag + 3(COOH)2 + 3 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
N2H4 = NH3 + N2 =>
3 N2H4 = 4 NH3 + N2
HBr(aq) + Ca(OH)2(aq) = Br(OH) + CaH2 =>
2 HBr(aq) + Ca(OH)2(aq) = 2 Br(OH) + CaH2
Mg + HC2H3O2 = MgH + C2H3O2 =>
Mg + HC2H3O2 = MgH + C2H3O2
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Cu2O(s) + O2(s) = CuO(s) =>
2 Cu2O(s) + O2(s) = 4 CuO(s)
CuO + NO3 = CuO2 + NO2 =>
CuO + NO3 = CuO2 + NO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Ba(OH)2 + H2SiO3 = Ba(HSiO3)2 + H2O =>
Ba(OH)2 + 2 H2SiO3 = Ba(HSiO3)2 + 2 H2O
KMnO4 + H3PO4 = K2HPO3 + MnO4 + H2O =>
2 KMnO4 + H3PO4 = K2HPO3 + 2 MnO4 + H2O
BiCl3 + K2Sn(OH)4 + KOH = Bi + KCl + K2Sn(OH)6 =>
2 BiCl3 + 3 K2Sn(OH)4 + 6 KOH = 2 Bi + 6 KCl + 3 K2Sn(OH)6
SiO2 + NaHO = H2O + Na2SiO3 =>
SiO2 + 2 NaHO = H2O + Na2SiO3
BaO + Fe3O4 + ReO3 + Re = Ba2FeReO6 =>
18 BaO + 3 Fe3O4 + 8 ReO3 + Re = 9 Ba2FeReO6
CH3COOH + C6H6 = C6H5OH + H2O =>
3 CH3COOH + 2 C6H6 = 3 C6H5OH + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
F + HCl = F2HCl =>
2 F + HCl = F2HCl
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