An Ideal Gas System Changes from State I to State

question 87

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_iaf, is

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

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