Worksheet Entropy AS and Free Energy AG Name Honors Chemistry Hour 1. Will the e

Question

Worksheet Entropy AS and Free Energy AG Name Honors Chemistry Hour 1. Will the entropy change for each of the following be positive or negative? A) Sugar dissolves in tea. B) Frost forms on a window pane C) Air is pumped into a tire D) Acetone evaporates from nail polish remover NTINIE) Dryice sublimes. F) Raindrops form in a cloud. G) Carbohy drates are broken down in the cells to release carbon dioxide and water. H) A solution of sodium chloride and silver nitrate l are combined and a precipitate forms. D Helium under pressure in a cylinder is used to inflate a balloon 2. Predict whether AS is positive or negative for each of the following reactions . A) 2 Na (s) + CL (g) 2 NaCl (s) B) 2 C (s) + O (s) -, 2 CO. (g) D) P4 (g) P' (s)

Explanation / Answer

1)
a) Sugar dissolves in Tea : Positive - Sugar dissolving. becomes more disordered

b) Frost formed on a window pane: Negative - Water going from gas to solid

c) Air is pumped in to a tire: Neagtive - gas entering a small space under pressure

d) Acetone evaporates from nailpolish remover : Positive - Acetone goinf from liquid to gas.


** answering only first four subparts due to policy and time constraints

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.