A Cylinder Contains 23 Moles of an Ideal Gas at a Temperature

question 52

Multiple Choice

A cylinder contains 23 moles of an ideal gas at a temperature of 300 K.The gas is compressed at constant pressure until the final volume equals 0.43 times the initial volume.The molar heat capacity at constant volume of the gas is 24.0 J/mol • K and the ideal gas constant is R = 8.314 J/mol • K.The heat absorbed by the gas is closest to

• A) -130 kJ.
• B) -94 kJ.
• C) 130 kJ.
• D) 94 kJ.
• E) -33 kJ.

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Definitions:

Standard Deviation

A statistical measure of the dispersion or variability of a set of values, representing how spread out the numbers are from the mean.

Correlation

A statistical measure that describes the extent to which two variables move in relation to each other, indicating the strength and direction of their relationship.

Optimal Risky Portfolio

An investment portfolio that aims to achieve the highest possible return for a given level of risk.

Capital Market Line

A line used in the Capital Asset Pricing Model to illustrate the rates of return for efficient portfolios subject to the risk (measured by standard deviation) compared to the risk-free rate of return.