Chemistry

posted by .

is Fe3O4 + 4H2 = 3Fe + 4H2O spontaneous at 298 K?
Delta H system= 149.8 kj/mol
Delta S system= 610.0 kj/mol

  • Chemistry -

    dG = dH - TdS
    I don't believe dS is 610 kJ/mol. 610 J/mol perhaps?
    dG = 149.8 - (298*0.610)
    dG = 0 equil
    dG = - spontaneous
    dG = + not spontaneous

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    Is the following reaction spontaneous at 25*C?
  2. Chemistry

    Which of the following reactions are spontaneous (favorable)?
  3. Chemistry

    For the reaction described by the chemical equation: 3C2H2(g) -> C6H6(l) .. Delta H rxn = -633.1 kJ/mol a) Calculate the value of Delta S rxn at 25.0 C... b) Calculate Delta G rxn... c) In which direction is the reaction, as written, …
  4. Chemistry

    1) A reactions has a delta H of -76 Kj and a delta S of -117 J/K. Is the reaction spontaneous at 298 K?
  5. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction …
  6. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction …
  7. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction …
  8. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction …
  9. CHEMISTRY!!!!!!!!!!

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and …
  10. Chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. Given the following data, Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and …

More Similar Questions