AP Chemistry Flashcards: Absolute Entropy And Entropy Change

Study Absolute Entropy And Entropy Change in AP Chemistry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the entropy of mixing for ideal gases?

Tap card or press Space to flip

ANSWER

Entropy of mixing is positive for ideal gases. Mixing increases total system disorder.

1 / 35

AP Chemistry: Thermodynamics and Electrochemistry

You are hereAbsolute Entropy and Entropy Change35 cards

Cell Potential and Free Energy39 cards

Cell Potential Under Nonstandard Conditions39 cards

Coupled Reactions40 cards

Electrolysis and Faraday's Law22 cards

Free Energy and Equilibrium35 cards

Free Energy of Dissolution41 cards

Galvanic (Voltaic) and Electrolytic Cells58 cards

Gibbs Free Energy and Thermodynamic Favorability30 cards

Introduction to Entropy37 cards

Thermodynamic and Kinetic Control39 cards

All flashcards

35 cards

What this deck covers

This deck focuses on Absolute Entropy And Entropy Change, giving you a quick way to review the definitions, rules, and examples that matter most for AP Chemistry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 36Practice questions for this set

Solid ammonium chloride is heated in a closed container and decomposes according to

\text{NH}_4\text{Cl}(s) \rightarrow \text{NH}_3(g) + \text{HCl}(g)

. After heating, only gases are present. Which statement best describes the sign of

\Delta S

for the system?

Choose an answer

Keep your progress across every deck

Free account · cards you mark are saved to it