Équations équilibrées la veille |
ZnCO3 + 2 H2O = Zn(OH)2 + H2CO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C5H8 + H2 = C4H10 =>
4 C5H8 + 9 H2 = 5 C4H10
I + Br = Br3I =>
I + 3 Br = Br3I
H2S + HI = H3S{+} + I{-} =>
H2S + HI = H3S{+} + I{-}
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
HI + H2SO4 = ISO4 + SO2 + H2O =>
2 HI + 5 H2SO4 = 2 ISO4 + 3 SO2 + 6 H2O
HNO2 + C2H7N = (CH3)2O + N2 + H2O =>
HNO2 + C2H7N = (CH3)2O + N2 + H2O
BaOH + C2H2O4 = H2O + CO2 + Ba2 =>
2 BaOH + C2H2O4 = 2 H2O + 2 CO2 + Ba2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CO2 + H2O + Na2CO3 = NaHCO3 =>
CO2 + H2O + Na2CO3 = 2 NaHCO3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
BaO + SO3 = BaSO4(s) =>
BaO + SO3 = BaSO4(s)
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7 =>
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7
NH3 + HCl + H2O = H2 + NCl(H3O) =>
2 NH3 + 2 HCl + 2 H2O = 3 H2 + 2 NCl(H3O)
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Ca(OH)2 + (NH4)3PO4 = Ca3(PO4)2 + NH4OH =>
3 Ca(OH)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH4OH
[Cu(C2H4O2N2)] + H2O = [Cu(C2H4O2N2H2O)] =>
[Cu(C2H4O2N2)] + H2O = [Cu(C2H4O2N2H2O)]
NaHS = S + H2S + Na =>
2 NaHS = S + H2S + 2 Na
Sr + Na2(CO3) = Sr(CO3) + Na =>
Sr + Na2(CO3) = Sr(CO3) + 2 Na
MgOHCl + H2SO4 = MgSO4 + HCl + H2O =>
MgOHCl + H2SO4 = MgSO4 + HCl + H2O
C3H4O3 = C2H4O + CO2 =>
C3H4O3 = C2H4O + CO2
CaI2 + Na2CO3 = Ca2(CO3)2 + NaI =>
2 CaI2 + 2 Na2CO3 = Ca2(CO3)2 + 4 NaI
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
Na2CO3 + Mg3(PO4)2 = Na3PO4 + MgCO3 =>
3 Na2CO3 + Mg3(PO4)2 = 2 Na3PO4 + 3 MgCO3
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
BaC2O4 + HCl = BaCl2 + H2C2O4 =>
BaC2O4 + 2 HCl = BaCl2 + H2C2O4
Ca(OH)2(aq) + HCl = CaCl2 + H2O =>
Ca(OH)2(aq) + 2 HCl = CaCl2 + 2 H2O
(NH4)2Se + Co(NO3)3 = Co2Se3 + NH4NO3 =>
3(NH4)2Se + 2 Co(NO3)3 = Co2Se3 + 6 NH4NO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na2SO4 + HBr = H2SO4 + NaBr =>
Na2SO4 + 2 HBr = H2SO4 + 2 NaBr
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
CuCl + HNO3 = Cu(NO3)2 + CuCl2 + NO + H2O =>
6 CuCl + 8 HNO3 = 3 Cu(NO3)2 + 3 CuCl2 + 2 NO + 4 H2O
Li2(CO3) + Ca(NO3)2 = Li2(NO3)2 + Ca(CO3) =>
Li2(CO3) + Ca(NO3)2 = Li2(NO3)2 + Ca(CO3)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Mg(NO3)2 = MgO + NO2 + O2 =>
2 Mg(NO3)2 = 2 MgO + 4 NO2 + O2
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
K2O + H2SO4 = H2O + K2SO4 =>
K2O + H2SO4 = H2O + K2SO4
Fe(OH)3 + Ba(OH)2 = Fe(OH)2 + Ba(OH)3 =>
Fe(OH)3 + Ba(OH)2 = Fe(OH)2 + Ba(OH)3
C6H5Cl + O2 = CO + H2O + HCl =>
C6H5Cl + 4 O2 = 6 CO + 2 H2O + HCl
NaBH4 + CH2O + H2O = CH3OH + NaH2BO2 =>
NaBH4 + 3 CH2O + 2 H2O = 3 CH3OH + NaH2BO2
NH3 + H2O + Cu(NO3)2 = NH4NO3 + CuO =>
2 NH3 + H2O + Cu(NO3)2 = 2 NH4NO3 + CuO
CH3CH2Br + KOH = CH3CH2OH + KBr =>
CH3CH2Br + KOH = CH3CH2OH + KBr
HF + Ba(OH)2 = BaF2 + H2O =>
2 HF + Ba(OH)2 = BaF2 + 2 H2O
NH4O3 = N2 + H2O + O2 =>
2 NH4O3 = N2 + 4 H2O + O2
Ba(OH)2 + SO2 = Ba(SO3) + H2O =>
Ba(OH)2 + SO2 = Ba(SO3) + H2O
C2H4 + CI2 = C2H4CI2 =>
C2H4 + CI2 = C2H4CI2
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
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