For a Given Reaction, Δ_rH = -19

question 22

Multiple Choice

For a given reaction, Δ_rH = -19.5 kJ mol^-1 and Δ_rS = -55.8 J K^-1 mol^-1. The reaction will have at Assume that Δ_rH and Δ_rS do not vary with temperature.

• A) 2.86
• B) 0.349
• C) 298
• D) 2.86 × 10³
• E) 349

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Definitions:

Zero Economic Profits

A situation in perfectly competitive markets where firms earn just enough revenue to cover their total operating costs, leaving no supernormal profit.

Positive Economic Profits

The situation in which a firm's total revenues exceed its total costs, including both explicit and implicit costs, signaling that the firm is doing better than the next best alternative.

Profit

The financial gain realized when the amount earned from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Monopolistically Competitive Firm

A company that operates in a market with many competitors, each offering products that are similar but not identical, allowing for some degree of market power.