Topics 9.1 - 9.7

Описание: Link to the AP Chemistry Course and Exam Description (CED): https://bit.ly/4eXJICn

Link to my AP Chemistry packet on Topics 9.1 – 9.7: https://bit.ly/3Rc9E2I

0:00 Intro
1:00 Topic 9.1 Introduction to Entropy
2:16 Examples of changes in entropy that have a positive ΔS and a negative ΔS
3:57 Maxwell Boltzmann distribution is affected when temperature is increased
4:23 Question 1
10:19 Question 2
11:20 Question 3
13:08 Topic 9.2 Absolute Entropy and Entropy Change
13:51 Review of information from Topic 6.8 (Enthalpy of Formation)
14:30 Selected Equations from Unit 9 on the AP Chemistry Equation Sheet
16:30 Guidelines for using the equation for ΔS involving standard molar entropies
17:43 Question 4
19:22 Question 5
21:11 Topic 9.3 Gibbs Free Energy and Thermodynamic Favorability
26:32 Definition of free energy and significance of a negative ΔG and a positive ΔG
27:38 Question 6
29:28 Question 7
30:58 Question 8
33:30 Question 9
34:24 Driving Forces that support the thermodynamic favorability of a process
36:33 Question 10
39:17 Question 11
41:17 Exploring the table with four different situations
42:14 Positive ΔH and Negative ΔS (not favored at any T)
42:59 Negative ΔH and Positive ΔS (favored at all T)
43:37 Positive ΔH and Positive ΔS (favored at high T)
44:29 Negative ΔH and Negative ΔS (favored at low T)
45:18 Question 12
49:17 Watch out for the difference in units between ΔH and ΔS in the Gibbs free energy equation
52:15 Question 13
57:13 Question 14
1:02:13 Question 15
1:06:26 Topic 9.4 Thermodynamic and Kinetic Control
1:07:33 Question 16
1:10:02 Question 17
1:13:17 Question 18
1:15:50 Topic 9.5 Free Energy and Equilibrium
1:19:40 Guidelines for doing calculations involving ΔG° = −RTlnK
1:25:15 Question 19
1:32:50 Topic 9.6 Free Energy of Dissolution
1:34:25 The details of ΔH and ΔS
1:37:52 A particulate representation of three different steps during the dissolution of an ionic solute in a polar solvent
1:39:59 Question 20
1:41:16 Topic 9.7 Coupled Reactions
1:44:00 Question 21
1:44:51 Question 22
1:47:22 Question 23