Five Electrons Are in a Two-Dimensional Square Potential Energy Well

question 34

Multiple Choice

Five electrons are in a two-dimensional square potential energy well with sides of length L.The potential energy is infinite at the sides and zero inside.The single-particle energies are given by where n_x and n_y are integers.The energy of the first excited state of the system is:

• A)13 (h²/8mL²)
• B)22 (h²/8mL²)
• C)24 (h²/8mL²)
• D)25 (h²/8mL²)
• E)27 (h²/8mL²)

Understand the concept and identify the E/Z stereochemistry in alkenes.

Describe the principles behind the hydrogenation of alkenes, including the outcome of specific reactions.

Understand the basics and structural characteristics of polymerization, specifically for polyethylene, poly(tetrafluoroethylene), and poly(vinyl chloride).

Understand the basic properties of the exponential distribution, including its density function and y-intercept.

---

Definitions:

Standard Labor-Hours

The predetermined amount of time expected to be spent on a specific task or production process, used for planning and efficiency analysis.

Actual Output

The real quantity of goods or services produced within a specified period.

Variable Overhead Rate

A rate used to assign variable overhead costs to units of production, based on an activity driver such as labor hours or machine hours, fluctuating with changes in production activity.

Overhead Efficiency

The effectiveness with which a business uses its overhead expenses to produce goods or services.