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Chemistry 112B

Chemistry 112B. Spring Semester Agendas. 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. 2/8 HW answers p 310-311. 8. a) .125 mol FeO .0625 mol CO2

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Chemistry 112B

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  1. Chemistry 112B Spring Semester Agendas

  2. 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

  3. 2/8 HW answers p 310-311 8. a) .125 mol FeO .0625 mol CO2 c) .500 mol H3BO3 .125 mol Na2SO4 10) b) .938 mol Se d) 1.25 mol Fe

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. Chemistry Agenda: F 1/28 • Return books • Stamp mass/mole conversion HW • Complete remainder in groups and turn in CW/HW: Molar practice ws • End of class quiz HW: bring in S’more supplies!

  12. Chemistry Agenda: T 1/27 • Turn in book • Stamp Particle Break-down HW • Rvw HW • Mass/mole conversions HW: Mass/mole conversions (see 2 slides down)

  13. 1/27 HW check • Sit with your number group. • Discuss and agree on your 5 answers • Write answers on white board and turn in • Work out remainder (the other 20) on your sheet

  14. 1/27 HW USE DIMENSIONAL ANALYSIS. SHOW ALL WORK. SHOW ALL UNITS. SHOW CANCELING UNITS. USE SIG FIGS. INCLUDE UNIT AND SUBSTANCE IN ANSWER. • #1-5 Convert 50. g of the substance to moles. • #6-10 What is the mass of 2.3 x 102 moles of the substance? • #11–15 Convert 14.3 g of the substance to moles. • #16-20 Convert .04350 moles of the substance to cg. • #21-25 Convert 1.3 kg of the substance to moles.

  15. Chemistry Agenda: W 1/26 • Stamp & rvw mole – particle conversions side 1 • Formula and Molar mass CW/HW: • Complete Particle Break-Down chart • Calculate formula mass for your assigned 5 on sep. sht. • BRING BOOK TOMORROW

  16. Chemistry Agenda: T 1/25 • Dimensional Analysis • Mole/Particle conversions CW/HW • Complete “Notes and Practice” sheet • Side 1 Mole/particles conversions sheet

  17. Chemistry Agenda: M 1/24 • Test returns • New unit: conversions with chemical formulas • Note taking: • metric system review; • Dimensional analysis • Meet the mole!

  18. New Unit Standards • SC1 Students will analyze the nature of matter and its classifications. c. Predict formulas for stable ionic compounds (binary and tertiary) based on balance of charges. d. Use IUPAC nomenclature for both chemical names and formulas: • Ionic compounds (Binary and tertiary) • Covalent compounds (Binary and tertiary) • Acidic compounds (Binary and tertiary) • 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, • Mass, moles and molecules relationships, • Molar volumes of gases.

  19. Chemistry Agenda: F 1/21 Turn in Packet: • text p 164-166 # 2-8 blue, 21, 24-34 blue • Scientific Notation ws • Operations with Sig. Figs (measurements on back) • Text p. 137 PP 5.3 a & c; p. 140 PP 5.5; p 142 # 1-7 (skip 5d)

  20. Chemistry Agenda: Th 1/20 • Open House tonight 6:30 • Rvw back side of sci. notatn. ws • Stamp and rvw book work Test tomorrow: • sig figs., measurement, calcs., rounding, sci. notatn. – conversions, sig. figs. & calcs., chemical formulas Packet due before test: (put together now) • text p 164-166 # 2-8 blue, 21, 24-34 blue • Scientific Notation ws • Operations with Sig. Figs (measurements on back) • Text p. 137 PP 5.3 a & c; p. 140 PP 5.5; p 142 # 1-7 (skip 5d)

  21. Chemistry Agenda: W 1/19 • Rvw side 2 of Sig Figs calc sheet. (chart on front) • Stamp and rvw side 1 of Sci. Notatn. ws • Scientific notation: • using sig. figs. • and calculating (in your head and using calculator) CW Complete scientific notation w.s. HW text p 164-166 # 2-8blue, 21, 24-34blue Test Friday: • sig figs., • measurement, • calcs., • rounding, • sci. notatn. – conversions, sig. figs. & calcs.

  22. Chemistry Agenda: T 1/18 • Equation writing review • Equation writing Quiz • Review scientific notation – conversions from/to normal numbers HW: side 1 of scientific notation ws given Friday before snow. Test Friday: • sig figs., • measurement, • calcs., • rounding, • sci. notatn. – conversions, sig. figs. & calcs.

  23. Chemistry Agenda: F 1/7 • Turn in signed syllabus • Stamp HW • 1st day test returns • Review HW HW: • review formula writing – eqns. quiz Monday

  24. Chemistry Agenda: Th 1/6 • Turn in signed syllabus • Stamp and Review HW • Assign Book Project • CW/HW: Operations with Significant Figures ws – both sides

  25. Chemistry Agenda: Wed 1/5 • Turn in signed syllabus • Uncertainty in measurement and significant figures HW from textbook: • P. 137 PP 5.3 a & c • P. 140 PP 5.5 • P. 142 # 1-7 (skip 5d)

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