An Ideal Monatomic Gas Cools from 455

question 44

Multiple Choice

An ideal monatomic gas cools from 455.0 K to 405.0 K at constant volume as 831 J of energy is removed from it.How many moles of gas are in the sample? The ideal gas constant is R = 8.314 J/mol • K.

• A) 2.50 mol
• B) 2.15 mol
• C) 1.50 mol
• D) 1.33 mol
• E) 0.725 mol

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Definitions:

Forecast Earnings

An estimate of a company's future earnings per share over a specific period, often used by analysts to project future financial performance.

ROE

Return on Equity, a measure of the profitability of a business in relation to the equity, calculated as net income divided by shareholder's equity.

Plowback

The reinvestment of earnings by a company back into its business, often for expansion or development; also known as retained earnings.

PEG Ratio

A stock's price-to-earnings ratio divided by the growth rate of its earnings, used to determine the relative trade-off between the price of a stock, the earnings generated per share, and the company's expected growth.