Rate of Rxn Question

Question

CH₃CH₃(g) + 2H₂O(g) + Ni(s) -> 2CO(g) + 5H₂(g) + Ni(s) 

∆H= +300 kJ/mol

(a)Wh‎at is the e‎ffect on the r‎ate of reac‎tion wh‎en the Ni is rem‎oved?

(b) If the rea‎ction was do‎ne in a 10‎00 mL flask, w‎hat wo‎uld be the eff‎ect on the rate of rea‎ction  if the vo‎lume of the flask is decr‎eased to 5‎00 mL?

Answer 1

a). can’t say anything about RATE of reaction from given info. We can comment about the equilibrium, but not rate.

b). Not knowing the rate equation we can’t really say what happens to the rate, but since dealing with gases, decreasing volume wil increase pressure, and increased pressure will push reaction to the left toward reactants. Again can’t legitimately comment on RATE as we know nothing about the kinetics of reaction.