One Fairly Crude Method of Determining the Size of a Molecule

question 28

Multiple Choice

One fairly crude method of determining the size of a molecule is to treat the molecule as an infinite square well (a box) with an electron trapped inside,and to measure the wavelengths of emitted photons.If the photon emitted during the n = 2 to n = 1 transition has wavelength 1940 nm,what is the width of the molecule? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,
M_el = 9.11 × 10^-31 kg)

• A)1.33 nm
• B)1.12 nm
• C)1.21 nm
• D)1.45 nm

Differentiate between various supportive behaviors in coaching for career advancement.

Identify the importance of timely and constructive feedback.

Understand the role and implementation of SMART goals in management.

Recognize the importance and types of employee assistance programs.

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Definitions:

Average Cost

The total cost of production divided by the number of units produced, representing the cost per unit.

Shares

Units of ownership in a company or financial asset, giving shareholders a portion of the company's profits and voting rights.

PST

Depending on the context, this could stand for Pacific Standard Time, which is the time zone observed on the west coast of the United States, or Provincial Sales Tax, a tax imposed by some Canadian provinces.

GST

Goods and Services Tax; a value-added tax levied on most goods and services sold for domestic consumption.