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Solved: Referring to Figure 5.22, explain the following:
Chapter 5, Problem 157P(choose chapter or problem)
Referring to Figure 5.22, explain the following: (a) Why do the curves dip below the horizontal line labeled ideal gas at low pressures and then why do they arise above the horizontal line at high pressures? (b) Why do the curves all converge to 1 at very low pressures? (c) Each curve intercepts the horizontal line labeled ideal gas. Does it mean that at that point the gas behaves ideally?
Questions & Answers
QUESTION:
Referring to Figure 5.22, explain the following: (a) Why do the curves dip below the horizontal line labeled ideal gas at low pressures and then why do they arise above the horizontal line at high pressures? (b) Why do the curves all converge to 1 at very low pressures? (c) Each curve intercepts the horizontal line labeled ideal gas. Does it mean that at that point the gas behaves ideally?
ANSWER:Step 1 of 4
(a)
Intermolecular interactions between gas particles cause the plots to dip. Consider the approach of a specific molecule to the container's wall. The impact of this molecule against the wall is softened by the intermolecular attractions produced by its neighbors.