The Equilibrium Constant Kc for the Reaction PCl₃(g) + Cl₂(g)

question 85

Multiple Choice

The equilibrium constant Kc for the reaction PCl₃(g) + Cl₂(g) PCl₅(g)
Is 49 at 230°C. If 0.70 mol of PCl₃ is added to 0.70 mol of Cl₂ in a 1.00-L reaction vessel at 230°C, what is the concentration of PCl₃ when equilibrium has been established?

• A) 0.049 M
• B) 0.11 M
• C) 0.30 M
• D) 0.59 M
• E) 0.83 M

---

Definitions:

Needs Analysis Process

A systematic approach to identifying and assessing the training requirements of an organization or individuals.

Andragogy Analysis

The study or examination of adult learning strategies, focusing on the process of engaging mature learners.

Design And Delivery

The process involving the creation and implementation of educational content and how it is presented or taught to learners.

Rapid Needs Analysis

A quick process of identifying and assessing the immediate requirements and gaps in knowledge, skills, and capacities in an organization or project.