A Monatomic Ideal Gas (C_v = 3/2 R)undergoes an Isothermal

question 78

Multiple Choice

A monatomic ideal gas (C_v = 3/2 R) undergoes an isothermal expansion at 300 K,as the volume increased from 0.05 m³ to 0.15 m³.The final pressure is 130 kPa.The heat transfer to the gas,in kJ,is closest to:

• A)21
• B)11
• C)-21
• D)-11
• E)zero

Appreciate the significance of a conversational yet businesslike tone in workplace writing.

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Definitions:

Cost Variance

The difference between the estimated cost of a project or production and the actual cost incurred.

Standard Cost

A predetermined cost of manufacturing, established based on historical data, for the purpose of budgeting and performance evaluation.

Actual Cost

The true cost incurred to produce a good or deliver a service, including all direct and indirect expenses.

Cost Variances

Cost variances refer to the difference between the expected (budgeted) costs and the actual costs incurred during a specific period.