The Mean Separation Between Chlorine, Cl₂, Molecules, at a Temperature

question 8

Multiple Choice

The mean separation between chlorine, Cl₂, molecules, at a temperature of 298.15 K and a pressure of 1 bar is 3.5 nm. Given the values of the Lennard-Jones parameters are  = 368 kJ mol^-1 and r_ = 412 pm, use the Lennard-Jones function to calculate the potential energy between pairs of xenon atoms at this separation.

• A) -3.9 J mol^-1
• B) 0.0 J mol^-1
• C) -0.98 J mol^-1
• D) -15 J mol^-1

---

Definitions:

FIFO Method

A method of inventory valuation where the first items purchased or produced are the first ones sold, used in costing inventory.

Conversion Costs

The combined expenses of direct labor and manufacturing overheads incurred in transforming raw materials into finished goods.

Cost Per Equivalent Unit

A metric used in cost accounting to calculate the cost assigned to a single unit of production, incorporating both direct materials and labor costs, when multiple production stages are involved.

FIFO Method

"First In, First Out," an inventory valuation method where the oldest stock is sold first, assuming that goods are sold in the order they were acquired.