What Is the Entropy Change Associated with the Expansion of One

question 146

Multiple Choice

What is the entropy change associated with the expansion of one mole of an ideal gas from an initial volume of V to a final volume of V of 2.50V at constant temperature?

• A)ΔS = 2.50 R ln (V_f/V_i)
• B)ΔS = -2.50 R ln (V_f/V_i)
• C)ΔS = R ln 2.50
• D)ΔS = -R ln 2.50

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Definitions:

Total Controllable Cost Variance

The difference between the actual controllable costs incurred and the budgeted controllable costs over a specific period.

Overhead Costs

Expenses related to the day-to-day operations of a business that are not directly tied to the creation of a product or service.

Volume Variance

A financial term that represents the difference between the budgeted and actual volume of production, affecting costs and operational efficiency.

Volume Variance

The difference between the budgeted volume of production or sales and the actual volume, affecting revenue or costs.