An Ideal Gas (The System) Is Contained in a Flexible

question 114

Multiple Choice

An ideal gas (the system) is contained in a flexible balloon at a pressure of 1 atm and is initially at a temperature of 20.°C. The surrounding air is at the same pressure, but its temperature is 25°C. When the system has equilibrated with its surroundings, both system and surroundings are at 25°C and 1 atm. In changing from the initial to the final state, which one of the following relationships regarding the system is correct?

• A) ΔU < 0
• B) ΔU = 0
• C) ΔH = 0
• D) w > 0
• E) q > 0

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Definitions:

Diminished Capacity

A legal defense that argues a person should be less culpable for their actions due to mental impairment.

Twinkie Defense

A controversial defense strategy in which the defendant claims diminished capacity due to the effects of consuming an unusual amount or type of food, famously used in the trial of Dan White.

Wyatt v. Stickney

A landmark legal case that established the right to adequate treatment for people in mental health facilities.

Durham v. United States

A landmark legal case that changed the way mental illness was assessed in relation to criminal liability, introducing the Durham rule.