In Which One of These Pairs Will the Entropy of the First

question 18

Multiple Choice

In which one of these pairs will the entropy of the first substance be greater than that of the second? Assume P and T are the same for each pair, unless stated otherwise.

• A)1 mole of F ₂( g); 1 mole of Cl ₂( g)
• B)1 mole of I ₂( s); 1 mole of I ₂( g)
• C)1 mole of CaCO ₃( s); 1 mole of CaO( s)plus 1 mole of CO ₂( g)
• D)1 mole of H ₂( g)at 25°C; 1 mole of H ₂( g)at 50°C
• E)1 mole of O ₃( g); 1 mole of O ₂( g)

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Definitions:

Marginal Cost

The spending necessary to fabricate one more unit of a good or service.

Herfindahl-Hirschman Index

An index measuring the level of concentration in a market, calculated by summing the squares of the market shares of all competitors.

Antitrust Division

A government department responsible for enforcing laws that promote competition and prevent monopolies and anti-competitive practices.

Industry Concentration

The extent to which a small number of firms dominate the total sales, production, or capacity of an industry.