Calculate Δ_rS° for the Following Reaction

question 57

Multiple Choice

Calculate Δ_rS° for the following reaction. The S^∘ for each species is shown below the reaction. C₂H₂(g) + 2H₂(g) → C₂H₆(g)
S°(J K^-1 mol^-1) 200.9 130.7 229.2

• A)+303.3 J K^-1 mol^-1
• B)+560.8 J K^-1 mol^-1
• C)-102.4 J K^-1 mol^-1
• D)-233.1 J K^-1 mol^-1
• E)229.2 J K^-1 mol^-1

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Definitions:

Units Transferred Out

The completed units moved out of a production process or cost center to the next process, or finished goods inventory, during a period.

August

The Gregorian calendar's eighth month.

Weighted-Average Method

A costing method that calculates the cost per unit by dividing the total cost by the total number of units produced, treating all units as equal regardless of when they were actually manufactured.

Assembly Department

A division in a manufacturing plant where components are joined together to form a finished product.