A Certain Gas Is Compressed Adiabatically $800 \mathrm {~J}$ What Is the Change in the Internal (Thermal) Energy

question 8

Multiple Choice

A certain gas is compressed adiabatically. The amount of work done on the gas is $800 \mathrm {~J}$ . What is the change in the internal (thermal) energy of the gas?

• A) \(800 \mathrm {~J}\)
• B) \(0 \mathrm {~J}\)
• C) \(- 800 \mathrm {~J}\)
• D) \(400 \mathrm {~J}\)
• E) More information is needed to answer this question.

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Definitions:

Normal Standards

The expected performance or cost levels under normal operating conditions, used for budgeting or measuring efficiency.

Ideal Standards

Benchmark or optimal performance levels set in managerial accounting to evaluate operational efficiency, without considering any business constraints.

Theoretical Standards

Idealized cost and efficiency targets in manufacturing or production, based on perfect operating conditions.

Standard Cost Variances

The differences between the expected (standard) costs and the actual costs incurred.