7 min read
This study guide covers Unit 9 Thermodynamics in AP Chemistry, focusing on energy and spontaneity of reactions. Key topics include: entropy (S°) as a measure of disorder, Gibbs Free Energy (ΔG°) to determine spontaneity, and its relationship with enthalpy (ΔH). The guide also explores the connection between ΔG°, equilibrium constant (K), and electrochemistry concepts like galvanic and electrolytic cells. It includes practice questions and emphasizes important exam tips.
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Question 1 of 12
A student is carefully observing a reaction happening inside a test tube. 🎉 What would be considered the 'system' in this scenario?
The test tube itself
The solutions being mixed inside the test tube
The entire laboratory
The air surrounding the test tube