Problem on equilibrium composition

The catalytic dehydrogenation of 1-butene to 1,3-butadiene,

C₄H₈(g) = C₄H₆(g)+H₂(g)

is carried out at 900 K and 1 atm.

a) Show that C₄H₈, C₄H₆ and H₂ can be considered ideal gases at 900 K and 1 atm.

b) If the inlet stream to the reactor contains 10 mol of steam per mol of butene (steam is used as a diluent gas), determine the extent of reaction at equilibrium.

c) Determine the extent of reaction in the absence of steam.

d) How would an increase in temperature or pressure affect the equilibrium composition?

Data:

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