Consider the gas-phase decomposition of PCl5 into PCl3 and Cl2. If the reaction begins with 5 atmospheres of PCl5, and if the partial pressure of chlorine is x atm at equilibrium, which of the following expressions for Kp is correct?
W) The fraction with numerator x and denominator 5 minus x
X) The fraction with numerator x and denominator (5 minus x)^2
Y) The fraction with numerator x^2 and denominator 5 minus x
Z) The fraction with numerator x^2 and denominator (5 minus x)^2
✔️Answer:Y) THE FRACTION WITH NUMERATOR x SQUARED AND DENOMINATOR 5 MINUS x
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