Predict the Sign of ΔS for Each of the Following

question 149

Multiple Choice

Predict the sign of ΔS for each of the following processes,which occur at constant temperature. I.The volume of 2.0 moles of O₂(g) increases from 44 L to 52 L.
II.The pressure of 2.0 moles of O₂(g) increases from 1.0 atm to 1.2 atm.

• A)I: ΔS = negative;II: ΔS = negative
• B)I: ΔS = negative;II: ΔS = positive
• C)I: ΔS = positive;II: ΔS = negative
• D)I: ΔS = positive;II: ΔS = positive

---

Definitions:

Paraphyletic Group

A group of organisms that includes an ancestral species and some, but not all, of its descendants.

Common Ancestor

The most recent shared ancestor among different species or individuals from which they have descended.

Evolutionary Lines

Paths of descent or lineages that show the evolutionary history and relationships among organisms.

Genus

A rank in the biological classification system (taxonomy) that groups together species that are closely related.