Question: Redo Problem 13.37 using Aspen Plus. Problem 13.37 At an appropriate temperature, a larger alkane will crack to form a smaller alkane and an olefin.

Redo Problem 13.37 using Aspen Plus.

Problem 13.37

At an appropriate temperature, a larger alkane will “crack” to form a smaller alkane and an olefin. One example is the cracking of propane to form methane and ethylene:

a. Calculate the equilibrium compositions that would result at 298.15 K and a total pressure of 1 bar by starting with pure propane.

b. Assuming that the standard-state heat of reaction for this reaction is independent of temperature, repeat the calculation above at 650 K.

c. Repeat the calculation of part (b) for a total pressure of 10 bar, assuming that an ideal gas mixture is formed at this high temperature.

C3H8 (g) CH4 (g) + CH4(g)

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