STEM Chemistry at GBS
Unit Schedules

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Day
Tuesday, October 16
1
Focus Question(s):
  • What is the average atomic mass and how is it determined?
  • How do we count the number of atoms in a sample of matter?

Activities:
  • Complete Lab DCC4
  • Demo Inertia, Mass, Force, Atomic Mass Spectroscopy
  • Discuss Atomic Mass Spectroscopy (Packet, p. 1)
  • Discuss Atomic Mass - It's Relative (Packet, p. 2)
  • Counting Atoms (Packet, p. 5)


Homework:   
  • WebAssign: Unit Review
  • Prepare for the Unit 2 Test


Help:







Day
Thursday, October 18
1.5
Focus Question(s):
  • What did we learn in Unit 2?
  • How can molar mass and Avogadro's number be used as conversion factors to relate mass, moles, and number of particles?


Activities:
  • Continue Unit 3 Activities (~35 minutes):
    Discuss Chapter 8.1-3 Reading Guide (Packet, pp. 3-4)
    The Mole and Atomic Mass (p. 6)
    Molar Mass of Compounds (p. 9)
    Mole Conversions (Selected Qs from pp. 11-12)

  • Test on Unit 2 (~50 minutes)


Homework:   



Help:








Day
Monday, October 22
2
Focus Question(s):
  • How can molar mass and Avogadro's number be used as conversion factors to relate mass, moles, and number of particles?
  • How can one detemine the mass % of the various elements in a compound?

Activities:
  • Discuss Chapter 8:5-6 Reading Guide (pp. 7-8)
  • Mole Conversions (pp. 11-12, selected problems)
  • Lab QCC1: The Mole Challenge (if time allows)
  • Molar Mass and % Composition (pp. 13-14: 1-2 compounds)
  • Lab QCC3 - Magnesium Oxide Analysis


Homework:   



Help:









Day
Wednesday, October 24
3 & 4

(double period)
Focus Question(s):
  • How can one detemine the mass % of the various elements in a compound?
  • How can experimental methods be used to determine the emperical and molecular formulas of a compound?

Activities:
  • Complete Lab QCC3 - Magnesium Oxide Analysis
  • Start Lab QCC2 - Chew On This!
  • Molar Mass and Percent Compos'n (pp. 13-14, #1c-#3c, #4)
  • Discuss Chapter 8.7-8.9 Rdg Guide (pp. 15-16)
  • Lab QCC2 - Chew On This! Final Measurement
  • Start Mass Composition ... (pp. 17-18, Q#1, Q#2)
  • Complete Write up Lab QCC2 - Chew On This!
Break between Blocks 1 and 2
  • Review Emperical Formulas (pp. 15-16)
  • Mass Composition and Emperical and Molecular Formulas (pp. 17-18, Q1)
  • Project: Crash of Avogadro Airlines Flight 1023 (pp. 19-20);
  • Use Google Sheets for Calculations



Homework:   
  • WebAssign:  Percent Composition
  • Lab Notebooks are due (Rutherford Sim'n, Labs DCC2, DCC3, DCC4, QCC2, and QCC3)



Help:









Day
Friday, October 26
5
Focus Question(s):
  • How can experimental methods be used to determind the emperical and molecular formulas of a compound?
  • In what way does a balance chemical equation relate the amounts (#particles, moles, mass) of reactants to the amount of products?

Activities:
  • Review Emperical Formulas (pp. 15-16)
  • Mass Composition and Emperical and Molecular Formulas (pp. 17-18, Q1, Q2, Q3, Q5)
  • Google Sheets - Crash of Avogadro Airlines ...
  • As time allows: Introduction to Stoichiometry (pp. 21-22)


Homework:   
  • WebAssign: Emperical/Molecular Formulae
  • WebAssign: Chapter 9.1-9.3 Rdg Guide (pp. 23-24)
  • Work on Crash of Avogadro Airlines Flight 1023 (pp. 19-20)


Help:








Day
Tuesday, October 30
6
Focus Question(s):
  • In what way does a balanced chemical equation relate the amounts (#particles, moles, mass) of reactants to the amount of products?
  • What is the experimentally determined mole ratio of copper(II) to silver in the single replacement reaction of silver nitrate with copper?

Activities:
  • Comments regarding Flight 1023 Project ... then chill
  • Think Sheet: Stoichiometry and Mole Island (selected Qs from pp. 25-26)
  • Think Sheet: StoiCHEoMISTRY (pp. 27-28, selected Qs)
  • Lab QCC4 - Copper and Silver Nitrate
  • Quiz on first half of Chapter 3


Homework:   


Help:

  • Maybe next year. Stop back then.









Day
Thursday, November 1
7
Focus Question(s):
  • In what way does a balance chemical equation relate the amounts (#particles, moles, mass) of reactants to the amount of products?

Activities:
  • Discuss Chapter 9.1-9.3 Rdg Guide (pp. 23-24)
  • Think Sheet: Stoichiometry and Mole Island (p. 26, Q#7-10)
  • Think Sheet: Stoichiometry - Limiting Reactants (pp. 31-34)
  • Final Measurements for Lab QCC4; data analysis


Homework:   
  • Complete Crash of Avogadro Airlines Flight 1023
  • WebAssign: Stoichiometry 2



Help:

  • Maybe next year. Stop back then.









Day
Monday, November 5
8
Focus Question(s):
  • How can one analyze a chemical reaction system when amounts of reactants are present in non-stoichiometric amounts?
  • What considerations are important in the chemical industry when manufacturing a chemical product?

Activities:
  • Think Sheet: Stoichiometry - Limiting Reactants (pp. 31-34)
  • Thinking in Code Demo
  • Industrial Stoichiometry (pp. 39-40)
  • Work Time
    == Crash of Avogadro Airlines
    == Lab QCC4
    == WebAssign


Homework:   



Help:

  • Maybe next year. Stop back then.








Day
Wednesday, November 7
9
Focus Question(s):
  • How can one analyze a chemical reaction system when amounts of reactants are present in non-stoichiometric amounts?
  • What is percent yield and how is it determined?
  • What considerations are important in the chemical industry when manufacturing a chemical product?

Activities:
  • Discuss Chapter 9.4-9.5 Rdg Guide (p. 29)
  • Limiting Reactants - Ammonia Synthesis (p. 34)
  • "Excess Reactant" Problem: p. 36, Q#18
  • Conversion Factor Mania: p. 35, Q#15
  • Think Sheet: Percent Yield (p. 37)
  • Work Time:
    Lab Completion


Homework:   
  • WebAssign: Stoichiometry 4
  • Start Preparing for Thursday's Test



Help:

  • Nothing at the moment. Check back next year.










Day
Friday, November 9
10
Focus Question(s):
  • How can one analyze a chemical reaction system when amounts of reactants are present in non-stoichiometric amounts?
  • What is percent yield and how is it determined?

Activities:
  • Pick up Lab Notebook
  • Discuss Thursday's Test
  • Review Q#18 on p. 36
  • Practice: p. 35+, Q#20, 17, 16
  • Percent Yield: pp. 37-38, Q#1, 2, 4, 5
  • Industrial Stoichiometry (pp. 39-40)
  • WebAssign: Stoichiometry 5
  • Work Time (~20 minutes, as time allows):
    WebAssign: Stoichiometry 5
    Avogadro Airlines Flight 1023


Homework:
  • WebAssign: Stoichiometry 5
  • Prepare for Unit 3 Test


Help:

  • Maybe next year. Stop back then.












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