An Ideal Gas Expands into a Vacuum in a Rigid

question 44

Multiple Choice

An ideal gas expands into a vacuum in a rigid vessel.As a result there is:

• A)a change in entropy
• B)an increase of pressure
• C)a change in temperature
• D)a decrease of internal energy
• E)a change in phase

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Definitions:

Macroeconomics

The branch of economics that studies the behavior and performance of an economy as a whole, focusing on aggregate phenomena such as GDP, unemployment rates, and inflation.

General Price Level

An average of the current prices of goods and services within an economy, indicating the cost of living or inflation rate.

Unemployment Rates

The percentage of the total labor force that is unemployed but actively seeking employment and willing to work.

Empirical Investigation

The process of collecting and analyzing data to obtain evidence that can confirm or refute a hypothesis, theory, or observation.