An Ideal Gas System Changes from State I to State

question 61

Multiple Choice

An ideal gas system changes from state i to state f by paths iaf and ibf. If the heat added along iaf is Q_iaf = 50 cal, the work along iaf is W_iaf = 20 cal. Along ibf, if Q_ibf = 40 cal, the work done, W_ibf, is

• A) 10 cal
• B) 20 cal
• C) 30 cal
• D) 40 cal
• E) 50 cal

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Definitions:

Self-Actualisation

The achievement of realizing one's abilities and potential, viewed as an innate motivation or necessity in all individuals.

Deficit Principle

A concept indicating that the less frequently a reward is available or the less a need is satisfied, the more value or desirability that reward or satisfaction of the need has.

Self-Actualisation Needs

The highest level in Maslow's hierarchy of needs, representing the fulfillment of one's potential and the realization of one's abilities and talents.

Maslow's Hierarchy

A psychological theory proposing that humans have five levels of needs, ranging from basic physiological needs to self-actualization, that motivate their behavior.