Regular Chemistry and Honors -
Starter -
Given a 55.8 g Popsicle at -15 C is left out on a hot day and all evaporates away, how much energy did it take?
Corrected: Assign 3.2
Lecture: Hess' Law, standard heats of formation. Free energy ∆G, Entropy ∆S, Gibbs Free Energy Equation
Hindenburg Video
Demo: Lycopodium powder
Homework - Worksheet 3.3 on H, G and S
A site to help you with thermochemistry.
Summary -
Summary -
1. What do each of the following with a triangle in front of mean ∆H, ∆G and ∆S.
2. What does a positive and negative on each mean?
3. How do you find them?
Student journal was handed in at the end of the period.
AP Chemistry -
Starter - Given the equation: NH3 (aq) + H2O (l) ↔ NH4+ (aq) + OH- (aq) Find the concentration of NH3 at equilibrium if the kb = 1.8 x 10^-5 and the pH is 10.5.
Finished the acid base power point.
Corrected 3.3 (worksheet) and (bookwork)
Lab 3.2 We will redo this lab and 3.3 when I am back on Thursday. Make sure that you are ready! READ YOUR LAB!!! We will bumping the labs back a day.
Homework: 3.3 bookwork (Kotz- on calendar) and 3.2 worksheet B and C
Summary -
1. Write in your own words what went wrong with the lab last time.(What important step did almost every group not do?)
2. Summarize in outline form what you will be doing with lab 3.3.
Turned in Student Journal in test notebook.
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