Friday, 2 May

  1. AP Chemistry Score Calculator

Friday, 25 April

In class

  1. Please complete the following survey regarding our field trip to Sara Lee Bakery Labs on Tuesday, 20 May.
  2. Diagnostic Test 1 Analysis paper

Thursday, 24 April

In class

  1. Click here for the scoring guidelines to the 2024 FRQ questions.
  2. I’ve released 3 practice exams in APC for you to try if you so choose to.

Wednesday, 16 April

In class

  1. Take the Thermodynamics and Electrochemistry unit exam.

Tuesday, 15 April

In class

  1. Review for the Thermodynamics and Electrochemistry exam tomorrow.

Monday, 14 April

In class

  1. Electroplate a washer, key, or other metal item.
  2. Choose a partner for the Thermodynamics and Electrochemistry exam on Wednesday.
  3. Feedback on the Acids and Bases retake exam.

Assignments

  1. Work on the Unit 9 Progress Check in APC.
  2. Complete the assigned practice quizzes in K.A. before tomorrow morning at 8:00:
    • Application of Thermodynamics: Quiz 2
    • Applications of Thermodynamics: Unit test

Friday, 11 April

In class

  1. Discuss electroplating and Faraday’s Law of Electrolysis.
  2. Answer the pre-experiment questions for the Electroplating with Copper experiment.

Assignments

  1. Complete Chapter 16 Exercises 43, 47, and 49 by the start of class on Monday.
  2. If wanted, bring a metallic item to electroplate on Monday.
Equipment set up for electroplating copper onto a metal surface. A 9.0 V battery is used to “push” the electrons.
Equipment set up for electroplating copper onto a metal surface. A 9.0 V battery is used to “push” the electrons.
Equipment set up for electroplating copper onto a metal surface. A 9.0 V battery is used to “push” the electrons.

Tuesday, 8 April

In class

  1. Use qualitative and quasi-quantitative reasoning to describe the change in voltage of a galvanic cell that is not under standard conditions.
  2. Complete and present whiteboards on the electrochemistry problem set.

Assignments

  1. Finish the K.A. lessons before class on Friday.
  2. Watch Easy Step-by-Step Tutorial on Electroplating.

Monday, 7 April

In class

  1. Learn why a battery goes dead by calculating the cell potential and the free energy of the galvanic cell reaction.

Assignments

  1. Complete by Friday the assigned lessons in K.A.

Friday, 4 April

In class

  1. Take the Acids and Bases unit retake exam.
  2. Watch Voltaic cell | How does it work?
  3. Use the half-cell plate and voltage meter to measure the voltage of various galvanic cells.

Assignments

  1. Read sections 16.2 – 16.3 in the text before the start of class on Monday.
  2. Answer exercises 11 and 21 in Chapter 16.
The half-cell plate will allow us to measure the voltage of many different possible galvanic cells.
The half-cell plate will allow us to measure the voltage of many different possible galvanic cells.
The half-cell plate will allow us to measure the voltage of many different possible galvanic cells.

Thursday, 3 April

In class

  1. Discuss the zinc and copper(II) sulfate redox reaction particle diagrams.
  2. Convert the zinc and copper(II) sulfate reaction into an electrochemical cell.
  3. Briefly review for the Acids and Bases retake exam tomorrow.

Assignments

  1. Review for the retake exam.
Separation of the redox half reactions leads to the creation of a galvanic cell.
Separation of the redox half reactions leads to the creation of a galvanic cell.
Separation of the redox half reactions leads to the creation of a galvanic cell.

Wednesday, 2 April

In class

  1. Check in and discuss the Gibbs Energy and Equilibrium problem set.
  2. Take the Free Energy and Equilibrium (practice) quiz in APC and discuss.
  3. Listen to an introductory lecture on electrochemistry and the quest for cleaner fuel and review simple redox reactions.

Assignments

  1. Watch the KA video Coupled Reactions.
  2. Take the Applications of Thermodynamics: Quiz 1 in KA before the start of class on Friday.

Tuesday, 1 April

In class

  1. Create particle diagrams for the process of dissolution to help explain the changes in enthalpy and entropy.
  2. Describe the difference between Gibbs free energy and standard Gibbs free energy.
  3. Work on the Gibbs Energy and Equilibrium problem set.

Assignments

  1. Complete the Gibbs Energy and Equilibrium problem set before class tomorrow.
  2. Continue reviewing Part 1 in Barron’s.
  3. Look over exercises for the Acids and Bases retake on Friday.
The graphical representation of the relationship between Gibbs energy and the reaction quotient.
The graphical representation of the relationship between Gibbs energy and the reaction quotient.
The graphical representation of the relationship between Gibbs energy and the reaction quotient.

Monday, 31 March

In class

  1. Answer the wake up exercise on thermodynamic and kinetic stability.
  2. Watch M&Ms Dissolving in Water
  3. Explain the driving forces for the dissolution of sodium chloride versus magnesium chloride.

Assignments

  1. Complete the KA assignment Free Energy and Equilibrium before the start of class tomorrow.
  2. It’s time to begin reviewing for the College Board exam! Start this week with Part 1: Structure of Matter in the Barron’s book. Aim to finish the two chapters of this section by Friday.

Friday, 21 March

In class

  1. Answer the wake up question on free energy.
  2. Review your performance on the Acids and Bases unit exam.

Thursday, 20 March

In class

  1. Calculate the change in entropy of the universe for:
    • ice melting and
    • nitrogen and hydrogen gas forming ammonia.
  2. Develop a good working definition of free energy.
  3. With your assigned group, answer the questions in the Free Energy problem set.

Assignments

  1. Finish work on the problem set before class tomorrow. Your assigned groups will present a whiteboard of selected questions the Monday we return from Spring Break.

Wednesday, 19 March

In class

  1. Answer a bonus question on creating a buffer solution.

Assignments

  1. Read section 12.3 in your textbook on the second law of thermodynamics.

Tuesday, 18 March

In class

  1. Take the Acids and Bases unit exam.

Monday, 17 March

In class

  1. Ask questions and review for the Acids and Bases unit exam tomorrow.

Friday, 14 March

In class

  1. Answer and present the entropy whiteboard problem set.
  2. Q&A on acid/base topics for the unit exam next Tuesday.

Assignments

  1. Complete the Gibbs free energy and thermodynamic favorability lesson in Khan Academy.
  2. Continue reviewing for the Acids and Bases unit exam on Tuesday.

Thursday, 13 March

In class

  1. Set up your Khan Academy account for this unit.
  2. Classify a set of processes as either spontaneous or non spontaneous.
  3. Ask questions about topics for the test on Tuesday.

Assignments

  1. Complete the assigned lesson, Entropy, in Kahn Academy by class tomorrow.
Combustion reactions are spontaneous as, once started, they do not require the continuous input of energy from an outside source.
Combustion reactions are spontaneous as, once started, they do not require the continuous input of energy from an outside source.
Combustion reactions are spontaneous as, once started, they do not require the continuous input of energy from an outside source.