A Quantity of PCl₅ Gas Is Heated

question 14

Multiple Choice

A quantity of PCl₅ gas is heated. At equilibrium the molar concentrations of PCl₅ , PCl 3 , and Cl₂ gases were 0.008 M , 0.02 M , and 0.02 M , respectively. What is the value of K c for:
PCl₅ (g) PCl 3 (g) + Cl₂ (g)

• A) 0.5
• B) 20.0
• C) 0.05
• D) 20
• E) none of these

---

Definitions:

Hypothesis Test

A methodology in statistics that utilizes data from a subset to assess a conjecture about a population attribute.

Publishing Contract

An agreement between an author and publisher dictating the terms under which a work will be published, including rights, distribution, and royalties.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive" result in statistical hypothesis testing.

Obese Canadians

Obese Canadians refer to individuals in Canada who are classified as having obesity, based on measures like Body Mass Index (BMI), reflecting significant health concerns within this subgroup.