One Mole of an Ideal Gas Expands Isothermally and Reversibly

question 79

Multiple Choice

One mole of an ideal gas expands isothermally and reversibly at 0°C. The pressure on 1 mol of an ideal monatomic gas changes from 100.0 atm to 1.00 atm.Calculate ΔE.

• A) 450 kJ
• B) -21.0 kJ
• C) -450 kJ
• D) 21.0 kJ
• E) none of these

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Definitions:

Independent Variable

In an experimental setting, the variable that is deliberately changed or manipulated to observe its effect on the dependent variable.

Dependent Variable

In research, the variable that is measured and is expected to change as a result of changes in the independent variable.

Risk Factors

Attributes, characteristics, or exposures that increase the likelihood of a person developing a disease or injury.

Susceptibility

The likelihood or predisposition to be affected by a certain condition or disease based on genetic, environmental, or psychological factors.