A 5 L Container Is Held at a Constant Temperature

question 7

Multiple Choice

A 5 L container is held at a constant temperature. Initially it has a partial pressure of 1.2 bar N₂ and a partial pressure of 0.3 bars H₂. The nitrogen and hydrogen react to form some NH₃ and the total pressure is found to be 1.425 bar. What is the partial pressure of NH₃?

• A) 0.075 bar
• B) 0.55 bar
• C) 0.63 bar
• D) 0.76 bar
• E) 1.38 bar

---

Definitions:

Cost

The value spent to acquire or produce something, including the amount of money, time, or resources.

Selling Price

The price at which a product or service is offered for sale to a purchaser.

Mark-up

The amount added to the cost price of goods to cover overhead and profit; the difference between the selling price and the cost price.

Sale Price

The final amount at which an item or service is sold after any discounts or deductions.