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Chemistry 112B

Chemistry 112B. Spring Semester Agendas. Chemistry agenda W 5/11. Equilibrium Lab – discuss and turn in. Review HW: Equilibrium Expressions ws More Equilibrium examples Cellular Respiration vs. photosynthesis Strong vs. weak acids Buffers. Chemistry agenda T 5/10.

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Chemistry 112B

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  1. Chemistry 112B Spring Semester Agendas

  2. Chemistry agenda W 5/11 • Equilibrium Lab – discuss and turn in. • Review HW: Equilibrium Expressions ws • More Equilibrium examples • Cellular Respiration vs. photosynthesis • Strong vs. weak acids • Buffers

  3. Chemistry agenda T 5/10 • Equilibrium Quiz return and review CW/HW: • Read Ch. 17.3 C • Complete Revisiting Equilibrium ws • Complete Writing Equilibrium Expressions ws Titration make-up lab tomorrow morning 7:30. Equilibrium Test Friday

  4. Chemistry agenda M 5/9 • Stamp and review HW • Equilibrium Quiz • HW: Equilibrium Expressions – due Wednesday

  5. Answers to HWText p. 628 #18, 21, 25, 33, 34, 38, 39, 42 • 21) K = 2.5 x 1010 • 25) a) K = [H2O][CO2] b) K = [CO2] c) K = 1/[O2] 33) Endothermic reactions shift left when temp. is ↓ 34) Shift right 38) K = 3.2 x 1011 39) [O3] = 1.8 x 10-8 M 42) [N2O4] = 5.4 x 10-4 M

  6. Chemistry agenda W 5/4 • Stamp and rvw book work on equilibrium constant • More Practice • CW/HW: • Le Chatelier’s Principle ws • Exercise # ____ The Equilibrium Constant ws • Text p. 628 #18, 21, 25, 33, 34, 38, 39, 42 • Lab tomorrow – wear appropriate shoes

  7. Chemistry agenda T 5/3 • Stamp and review Le Chatelier’s Principle ws • Notes: calculating the equilibrium constant HW/CW: • p. 606 PP 17.1 • p. 610 PP 17.3 • p. 611 Section Review # 1-5

  8. Chemistry agenda M 5/2 • Return and review acid base test • leChatelier’s Principle Guided notes • HW/CW Worksheet: Le Chatelier’s Principle

  9. Chemistry agenda Th 4/28 • Gas bubbles! • Equilibrium – guided notes HW: • Read text Ch 17, section 3 • p. 629 # 27, 29, 31

  10. Chemistry agenda W 4/27 • It’s a gas! Activity • Gas demos. • New unit: Chemical Equilibrium

  11. Equilibrium Unit Standards SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical reactions. • f. Explain the role of equilibrium in chemical reactions. SC5 Students will understand that the rate at which a chemical reaction occurs can be affected by changing concentration, temperature, or pressure and the addition of a catalyst. • a. Demonstrate the effects of changing concentration, temperature, and pressure on chemical reactions. • b. Investigate the effects of a catalyst on chemical reactions and apply it to everyday examples. • c. Explain the role of activation energy and degree of randomness in chemical reactions.

  12. EQUILIBRIUM • With 1 partner, discuss the concept of equilibrium. • Write down some synonyms • Can it be static? Give examples (not from chemistry). • Can it be dynamic? Give examples (not from chemistry). • Without using the textbook, try to arrive at a definition that might apply to equilibrium as it relates to a chemical reaction.

  13. Chemistry agenda M 4/25 • Stamp vocab • Return/rvw quizzes • Acids & bases calc rvw. • Video if time • Reminders: • Test tomorrow • Packet due tomorrow (TOC on calc rvwshtreceived today)

  14. Chemistry agenda F 4/22 AGENDA • Turn in Titration lab • Turn in Review ws • pH calculations quiz • Review the Review ws HW: Do vocab on front of study guide Reminders: • Please take dioramas – they were great! • Return book to Mr. LaJeunesse if you checked one out with him. • Test Tuesday Courtesy of http://sacramentoscoop.com/2009/04/20/

  15. Chemistry agenda W 2/20 • Stamp and review titration calculations • pH quiz moved to Friday • CW/HW Acid Base review ws – due Friday • Titration Lab tomorrow • Test moved to Tuesday

  16. Chemistry agenda T 4/19 • Turn in household acids and bases lab • Guided notes: acid/base titration and strength • HW – see bottom of notes • Quiz tomorrow: pH and [H+] calculations • Test Friday

  17. Chemistry agenda M 4/18 • Acid/base test Friday • Turn in rubrics • Today: • Review ws from Thursday • Stamp & Rvw book work p 590 • #27, 29, 30 a & c, 32 a & c, 34 a & c, 35 a & c, 36 a & c • Stamp & rvw acid/base neutralization ws • Rvw lab and turn in tomorrow

  18. Chemistry agenda W 3/30 Solutions Packet due : • Solutions vocabulary sht. • Molarity / Dilutions calculations ws • Solubility ws • Text p 555-557 HW: Book Project Plan due Thursday Bring in Ice Cream lab supplies

  19. Chemistry agenda T 3/29 • Stamp and Review Solubility ws & book work • Solutions review Q’s and A’s Solutions Test Tomorrow (Ch 15) EQ: What are the properties of solutions and how do we calculate their concentrations? Solutions Packet due tomorrow: • Solutions vocabulary sht. • Molarity / Dilutions calculations ws • Solubility ws • Text p 555-557 • #2, 4, 6, 8, 9, 19, • 21 a, c; 22 a, c; 28; 31 a, c HW: Book Project Plan due Thursday Bring in Ice Cream lab supplies

  20. Chemistry agenda M 3/28 • Dissolving rates and solubility • Solutions Test Wednesday • Book Project Plan due Thursday • Ice cream lab Friday  CW/HW: • complete ws • Text p 555-557 • #2, 4, 6, 8, 9, 19, • 21 a, c; 22 a, c; 28; 31 a, c

  21. Chemistry agenda F 3/25 • Discuss and turn in Solutions lab • Review dilution homework (stamped yesterday) • Work on book projects QUIETLY

  22. Chemistry agenda M 3/21 • Review molarity calculations – due Thurs. for immersion students • Intro dilution calcs. – due Thurs. for all Reminder: • Lab tomorrow and Wednesday – dress appropriately

  23. Chemistry agenda Th 3/17 • GHSGT Biology review and begin Physics/Chem review • Friday: test returns. Continue GHSGT review. • Monday - ?: solutions lab • Remainder of next week: work on book assignment • Extra Credit: • Create a student account on USATESTPREP.com • Password: newton96 • School ID: lassiter • Click the science tab • Take a FULL science practice test • Print out result • Bring it in

  24. Chemistry agenda M 3/14 • Turn in Reaction Rates lab if absent last Friday • Solutions – chapter 15 – notes & vocab • EQ: What are the properties of solutions and how do we calculate their concentrations? CW/HW: complete vocab Make-ups: • Reaction rates lab (from last Wednesday) – today after school • Composition quiz – last chance - (from Friday before Feb. break) Tues. 7:30 am - tomorrow • Thermo Test (from last Friday) – Wed. 7:30

  25. Chemistry agenda Th 3/10 • Review Lab concepts and calcs. – turn in lab tomorrow • Reaction Rates • Review Potential Energy ws & Complete rt. side of ws. • Test review problems • Test tomorrow: Heat Flow & Reaction Rates • Packet due tomorrow • Vocab + p. 325 problems • p. 353 # 25 a, c; 26-28 • Heat Flow Problems / Potential Energy ws • Review sheet

  26. Chemistry agenda T 3/8 • Stamp and review HW • Thermodynamics notes (17.1) • CW/HW: complete Potential Energy Diagram ws (both sides) • Informal Lab tomorrow • Test Friday

  27. Chemistry agenda F(TG!) 3/4 • Turn in lab • Heating and cooling curves

  28. Chemistry Agenda 3/2 • Stamp & rvw HW • Pre-lab due tomorrow • Lab in Ms. Mathew’s room tomorrow – wear proper attire • Reminder: stoichiometry review session tomorrow 7:30 am (have packet worked on) • Stoichiometry re-test Friday 7:20 am

  29. Chemistry Agenda: T 3/1 • stamp and rvw 10.1 HW • Ch 10.2 Energy Flow • notes • HW: • p. 353 # 25 a, c; 26-28

  30. Chemistry Agenda: M 2/28 • Labs, Quiz & Test returns • Stoichiometry lab make-up due today • Tomorrow last day for stoichiometry test make-up: • 7:20 am • Stoichiometry review sheet sign-ups (test score <80%) • Stoichiometry review session Thursday 7:30 am – come prepared with completed work sheets • Stoichiometry retest Friday 7:25 am – must have corrected, completed worksheets

  31. Chemistry Agenda: M 2/28 GPS: SC6. Students will understand the effects motion of atoms and molecules in chemical and physical processes. • a. Compare and contrast atomic/molecular motion in solids, liquids, gases, and plasmas. • b. Collect data and calculate the amount of heat given off or taken in by chemical or physical processes. • c. Analyzing (both conceptually and quantitatively) flow of energy during change of state (phase). Unit Essential Question: How are matter and energy related?

  32. 2/28 Define from Ch 10.1 • Law of conservation of energy • Potential energy • Kinetic energy • Heat • Temperature • Exothermic • Endothermic • System • Surroundings • Answer active reading Q on p. 325 • Answer Section 10.1 review Q’s #5-7

  33. Chemistry Agenda: Th 2/17 • Journal returns • Stamp and review book work • Molecular formulas • P 213 #44, 45, 48-50 • Quiz tomorrow: % composition, empirical and molecular formulas.

  34. Notes 2/17: finding molecular formula • Given: • empirical formula (you may have to determine this based on masses of elements given) • molar mass • Find empirical formula, if needed • Find mass of empirical formula • Divide molar mass of molecular formula by empirical formula mass from 2. (answer should be a whole number) • Multiply empirical formula by whole number found in 3.

  35. Chemistry Agenda: W 2/16 • Notes: % composition and empirical formulas • CW/HW: • p. 194 PP 6.9 • p. 212 # 27 a, c, f, h • PP 6.14, 6.15 • P. 212 #33-39

  36. Standards: • SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical reactions. • c. Apply concepts of the mole and Avogadro’s number to conceptualize and calculate Empirical/molecular formulas

  37. Notes 2/16 • Percent composition: the composition percent by mass of an element in a particular compound • Empirical formula: the formula of a compound expressing the smallest whole number ratio of atoms in a compound

  38. Chemistry Agenda: T 2/15 • Turn in stoichiometry lab • Turn in Packet • Stoichiometry practice test • p. 313 # 29, 34 a & c; 35 b & d • p. 310-311 #2, 8 a & c; 10 b & d; 13 b, d, g; 14 b, d, f; 15 a & c; 21-24, 26, 27 (bonus + 10 if stamped; +5 if complete, not stamped) • p. 291 PP 9.5 (in yellow box); p. 293 PP 9.6; p. 295 #1, 2, 4 – 6 • Test

  39. Chemistry Agenda: M 2/14 • Mass copper • Lab due tomorrow • Test tomorrow • Stoichiometry practice test - due in packet • Packet due tomorrow (next slide) • Test help selection sign-ups • Last chance to turn in corrected s’mores lab “ticket” • CW/HW: complete lab write-up; complete stoichiometry practice test • Stoichiometry lab make-up: • LaJeunesse’s – Wednesday before school (7:30 a.m. sharp) • Elgqvist’s - Wednesday after school

  40. Stoichiometry Test Packet • Packet due tomorrow • Stoichiometry practice test • p. 313 # 29, 34 a & c; 35 b & d • p. 310-311 #2, 8 a & c; 10 b & d; 13 b, d, g; 14 b, d, f; 15 a & c; 21-24, 26, 27 (bonus + 10 if stamped; +5 if complete, not stamped) • p. 291 PP 9.5 (in yellow box); p. 293 PP 9.6; p. 295 #1, 2, 4 – 6

  41. Chemistry Agenda: Th 2/10 • Stamp and rvw HW • Notes: Percent yield, formulas of hydrates HW: complete pre-lab • Report parts required for tomorrow: • Prelabws • Identifiers, • I – III, • IVA Data table (on next slide)

  42. IVA: Data

  43. Chemistry Agenda: W 2/9 • Stamp HW for bonus grade • Rvw HW • Notes: limiting reactants CW/HW: p. 313 # 29, 34 a & c; 35 b & d Stoichiometry Lab Friday

  44. Chemistry Agenda: T 2/8 • Test returns • Stamp and rvw book work p 291-295 • More Stoichiometry Practice CW/HW • p. 310-311 #2, 8 a & c; 10 b & d; 13 b, d, g; 14 b, d, f; 15 a & c; 21-24, 26, 27 • stoichiometry test next Tuesday • keep reading & journaling

  45. Chemistry Agenda: 2/7 • notes: Mass – mass conversion using stoichiometry (Ch 9.2) CW/HW • p. 291 PP 9.5 (in yellow box) • p. 293 PP 9.6 • p. 295 #1, 2, 4 - 6

  46. Chemistry Agenda: 2/3 • Review Jewelry Stoichiometry • S’mores stoichiometry HW: • Complete s’moresws if not done • S’mores lab tomorrow – don’t forget supplies if you haven’t already brought them. • Keep reading

  47. Chemistry Agenda: 2/2 • Turn in journal • stoichiometry note-taking HW: bring in s’mores supplies – lab Friday GA Standards: SC2 Students will relate how the Law of Conservation of Matter is used to determine chemical composition in compounds and chemical reactions. • d. Identify and solve different types of stoichiometry problems, specifically relating mass to moles and mass to mass. • e. Demonstrate the conceptual principle of limiting reactants. Textbook reference: Ch 9

  48. Chemistry Agenda: 2/1 Turn in Packet • Molar Practice • 25 mass/mole conversions • Side 1 Mole-particle conversions/Particle Break-down chart • Stamped molar mass of 5 particles from chart • “Notes and Practice” sheet • Rvw quiz • Test

  49. Chemistry Agenda: M 1/31 • Turn in 25 mass/mole conversions from Friday. • Mass/mole conversions test review. • Test tomorrow: • metric conversions from notes sht. • particlesmoles conversions • molar mass & formula mass(g/mol), • massmole conversions CW: review ws. (answers to be posted on blog) QUIZ HW: • PUT PACKET TOGETHER (next slide) • Read and journal 1st 3 chapters of book – due Wednesday

  50. Packet due tomorrow: • Molar Practice • 25 mass/mole conversions • Side 1 Mole-particle conversions/Particle Break-down chart • Stamped molar mass of 5 particles from chart • “Notes and Practice” sheet

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