Consider a piston (or box) pressurized with air. Suppose you compress the piston so that the final volume is half the starting volume but the temperature remains the same.  For a reversible process, i) would the work done on the system be the same or change whether you modeled the gas ideal or real? ii) For an irreversible process, would the work done on the system be the same or change whether you modeled the gas as ideal or real assumng that you applied the same external force for compression? Explain your answer.

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter24: Introduction To Spectrochemical Methods
Section: Chapter Questions
Problem 24.4QAP
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Consider a piston (or box) pressurized with air. Suppose you compress the piston so that the final volume is half the starting volume but the temperature remains the same. 

For a reversible process, i) would the work done on the system be the same or change whether you modeled the gas ideal or real? ii) For an irreversible process, would the work done on the system be the same or change whether you modeled the gas as ideal or real assumng that you applied the same external force for compression? Explain your answer. 

Before
P₁ = 0.7 bar
V₁ = 1 L
T₁ = 298 K
After
P₂ = ?
V₂ = 0.5 L
T₂ = 298 K
Transcribed Image Text:Before P₁ = 0.7 bar V₁ = 1 L T₁ = 298 K After P₂ = ? V₂ = 0.5 L T₂ = 298 K
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