Propylene can be produced from the dehydrogenation of propane over a catalyst. The

reaction is: CH3CH2CH3 <==> CH3-CH=CH2+ H2

At atmospheric pressure, what is the fraction of propane converted to propylene at 400, 500, and 600 C if equilibrium is reached at each temperature? Assume ideal behavior.

(chart of temps and Kc below:)

Temperature (C): 400 500 600

K_c: 0.000521 0.0104 0.104

Is this reaction exothermic or endothermic? Why?