Iron Has a Body-Centered Cubic Unit Cell, and a Density

question 33

Short Answer

Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm³. Calculate the edge length of the unit cell, in pm. (The atomic mass of iron is 55.85 amu. Also, 1 amu = 1.661 × 10^-24 g.)

Analyze the role of government regulation in controlling monopolies and ensuring they earn only a normal return.

Recognize the different types of barriers to entry that sustain monopolies.

Understand the relationship between economies of scale and natural monopolies.

Analyze the significance of patents and government franchises in maintaining monopolies.

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Definitions:

Expected ROE

The projected return on equity for a future period, based on estimates of future earnings and shareholders' equity.

Risk-free Rate

An anticipated earning on an investment that is free from the danger of monetary loss, commonly illustrated by the return rate on state-issued securities.

Market-capitalization Rate

The combined value of all a company's shares currently on the market, found by taking the current price of one stock and multiplying it by the total number of shares available.

Expected Return

The anticipated average return of an investment over a specified period, based on historical data or statistical analysis.