What Is the Equilibrium Constant for the Reaction Below at 298

question 5

Multiple Choice

What is the equilibrium constant for the reaction below at 298 K? 2C(s) + 3H₂(g) → C₂H₆(g)
Given: Δ_rH° = -84.68 kJ; Δ_rS° = -173.8 J/K at 298 K.(R = 8.314 J/K⋅mol)

• A) 5.8 × 10⁵
• B) 1.0 × 10−5
• C) 8.6 × 10^-10
• D) 1.7 × 10^-6
• E) 7.0 × 10¹⁴

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Definitions:

Incremental Manufacturing Cost

The additional costs incurred by a company when increasing production by one unit.

Relevant Range

The range of activity levels within which the assumptions about fixed and variable cost behaviors hold true, critical for accurate budgeting and decision-making.

Average Costs

The total costs divided by the number of goods produced, used to calculate the per-unit cost of production.

Incremental Manufacturing Cost

The additional costs incurred when increasing production by one unit.