The methane used to obtain H2 for NH3 manufacture is impure and usually contains other

Chapter 17, Problem 17.98

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The methane used to obtain H2 for NH3 manufacture is impure and usually contains other hydrocarbons, such as propane, C3H8. Imagine the reaction of propane occurring in two steps: C3H8(g) 1 3H2O(g) BA 3CO(g) 1 7H2(g) Kp 5 8.17531015 at 1200. K CO(g) 1 H2O(g) BA CO2(g) 1 H2(g) Kp 5 0.6944 at 1200. K (a) Write the overall equation for the reaction of propane and steam to produce carbon dioxide and hydrogen. (b) Calculate Kp for the overall process at 1200. K. (c) When 1.00 volume of C3H8 and 4.00 volumes of H2O, each at 1200. K and 5.0 atm, are mixed in a container, what is the final pressure? Assume the total volume remains constant, that the reaction is essentially complete, and that the gases behave ideally. (d) What percentage of the C3H8 remains unreacted?

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