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Find The Starting Pressure

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Running head: Find the starting pressure 1 Find the starting pressure Student Name: Instructor Name: Course: Date: Find the starting pressure 2 1. At 70 k, CCl4 decomposes to carbon and chlorine. The kp for the decomposition is 0.76. Find the starting pressure of CCl4 at this temperature that will produce a total of 1.0 atm at equilibrium CCl4 ↔ C(s) + 2Cl2 (g) Solution Initial X 0 C (atm) -y +2y E (atm) X-Y +2Y Total pressure at equilibrium = x - y + 2y = 1.0 x = 1.0- y Kp = (Cl2)^2 CCl4 0.76 = (2Y)^2 X−Y (2Y)^2 0.76 = (1−Y)−Y 0.76 = (2Y)^2 1−2Y 0.76(1-2Y) = (2Y)2 0.76 - 1.52Y = 4Y2 4Y2+ 1.52Y – 0.76=0 Find the starting pressure 3 By Solving the equation above , we obtain the values of Y as follows; Y= 0.2855 or Y = -0.6655 Ignoring the value with negative sign, the value of Y will be = 0.2855 Hence the initial pressure of CCl4, X= 1-Y =1-0.2855 = 0.7145 atm Find the starting pressure 4 Reference 1. Wei, X. F., Liu, J. X., Li, F., Qin, Y., Liang, Y. C., & Zhang, G. J. (2019). High entropy carbide ceramics from different starting materials. Journal of the European Ceramic Society, 39(10), 2989-2994. 2. Perejón, A., Sánchez‐Jiméne ...
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