Week 20 Chapter 10 - Chemical Quantities Big Idea - The Mole and Quantifying Matter Essential Questions: 1. Why is the mole an important measurement in chemistry? 2. How can the molecular formula of a compound be determined experimentally?
Wednesday 1/10 - The Mole: A Measurement of Matter Welcome! Periodic Seat Assignments. a. How can you convert among the count, mass, and volume of something? b. How do chemists count the number of atoms, molecules, or formula units in a substance? c. How do you determine the molar mass of an element and of a compound? Discuss: Measuring Matter, Sample Problem 10.1. NOTES: Molar Conversion, (Slides 1-7). Sample Problem 10.4. Homework - READ: 10.1. Do problems 1 & 2 on pg 307, and 7-8 on pg 315. A fun web site to look at regarding moles: http://what-if.xkcd.com/4/
Thursday 1/11 - Mole-Mass and Mole-Volume Relationships Warm up - 10.1 d. How do you convert the mass of a substance to the number of moles of the substance? NOTES: Molar Conversion, (Slides 8-11). Complete 3-6 on pp 309-311 and 12-15 on pg 315. Video? Homework - READ: 10.2 Do Practice Problems #16-19.
Friday 1/12 - Mole-Mass, Mole-Volume Relationships e. How do you convert the volume of a gas at STP to the number of moles of the gas? NOTES: Mole -Volume Relationships, pg 320. Sample Problem 10.7, pg 321. Practice Problems 20-21. Homework - Practice Problems 20 - 23 on pp 321-322.
Week 21 Monday 1/15 - Martin Luther King Day No School Tuesday 1/16 - Molar Conversions Investigation - Molar Conversion Lab, due Monday 1/22. Reports completed on a computer using computer graphics will receive up to 10 bonus points. Homework - Molar Conversion w/s.
Friday 1/19 -Percent Composition f. How do you calculate the percent composition of a compound? Warm-up NOTES: Percent Composition, Empirical Formula Homework: Complete Practice Problems 33-36.
Week 22 Monday 1/22 - Empirical and Molecular Formulas Warm-up g. How can you calculate the empirical formula of a compound? h. How does the molecular formula of a compound compare with the empirical formula? NOTES: Formula Calculations. Correct Molar Conversion Quiz. Homework - Complete Practice Problems 37-42 on pp 331 &333.
Wednesday 1/24 - Formula Calculations Go over w/s Homework - Mole Review questions 12-20 (Show all work).
Thursday 1/25 - Percent Calculations and Formula Calculations QUIZ: Formula Calculations. Homework - READ 11.1. Nomenclature Review worksheet. Friday 1/26 - Describing Chemical Reactions Chapter 11 - Chemical Reactions BIG IDEA: Reactions Essential Questions: 1. How do chemical reactions obey the law of conservation and mass? 2. How can you predict the products of a chemical reaction?
Tuesday 1/30 - Describing Chemical Reactions Go over w/s Balancing Equation "Homework" w/s Homework: Page 341, # 104. Please use your graphing calculator to answer this problem. Sketch your graph on your notebook paper. If you do not have a graphing calculator, you will have to create the graph using graph paper, using correct graphing protocol. For assistance with using your calculator or making your graph from scratch, see the "Reference Material" button at the top of the page. (Lab Grade)
Wednesday 1/31- Describing Chemical Reactions Go over w/s. Homework: Chemical Reactions Review # 1-14. Write and Balance the equations only.
Thursday 2/1 - Describing Chemical Reactions ASSESSMENT: Intro to Reactions Quiz Homework: READ 11.2. Do Practice Problems 12-14 on pg 359 and 18-19 on pg 365. Please bring a graphing calculator to class if possible.