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2.10.15 Pick up turned back papers. Pick up daily papers
Pick up sock and board. Do Now Follow the link or qr to warmup – you have – you have until 4 minutes after the bell 5 min
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HW Check 2.10 Explain why one mole of oxygen and one mole of hydrogen can weigh different amounts. How many atoms are in one mole? How many grams are in 3 moles of aluminum? How many grams are in one mole of saccharin (C7H5NO3S) 5 min
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Today is February 9, 2015 Topic: The Mole Lesson Objectives: SWBAT
2.2.4 Analyze Stoichiometric relatioships inherent in a chemical reaction 2.2.5 Analyze quantitatively the composition of a substance (empirical formula, molecular formula, percent composition, and hydrates) Essential Question: 2.2 Analyze chemical reactions in terms of quantities, product formation, and energy.
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Homework 2-10 Study Guide Pg
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IMPORTANT DATES Monday 2/9 Chemical Reaction Quiz Tuesday 2/10 Tutoring 2:30-3:30 Wednesday 2/11 – HOMEROOM / 3rd and 4th block Thursday 2/12 Tutoring 2:30-3:30 Thursday 2/12 Chemical Rxn Test Friday 2/13 – NO SCHOOL
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Agenda 2-10 Do Now HW check Stoichiometry Pre-Assessment Work groups
Mole Conversions Study Guide
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Stoichiometry pre-assessment
15 minutes Pencil No phones Calculators Use reference tables Sheilds up
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Work Groups Nomenclature Review Stoichiometry 15 min
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Review of Formula Mass
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Calculations with Moles: Converting moles to grams
How many grams of lithium are in 3.50 moles of lithium? 3.50 mol Li 6.94 g Li = g Li 24.3 1 mol Li
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Moles Grams Practice
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Calculations with Moles: Converting grams to moles
How many moles of lithium are in 18.2 grams of lithium? 18.2 g Li 1 mol Li = mol Li 2.62 6.94 g Li
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Grams Moles practice
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Study Guide Head Start
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Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 3.50 moles of lithium? 3.50 mol 6.02 x 1023 atoms = atoms 2.07 x 1024 1 mol
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Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 18.2 g of lithium? 18.2 g Li 1 mol Li 6.022 x 1023 atoms Li 6.94 g Li 1 mol Li (18.2)(6.022 x 1023)/6.94 = atoms Li 1.58 x 1024
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Formula Writing Review
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M Mg + Cl2 Al + NO3 Fe + F2 Dicarbon tetroxide
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4 Li + P K + SO4 Mn + S Nitrogen trisulfide
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2 B + Cl2 NH4 + I2 Cu + F2 Trinitrogen hexachloride
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1 Al + O2 Ag + Se Rb + NO2 Phosphorus dihydride
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TOTD When naming binary compounds the suffix must be
– ate b) –ite c) –ide 2. Aluminum Sulfate and Potassium Nitrate both contain which element? What distinguishes a compound that contains a polyatomic ion from a binary molecular compound?
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Chemical Reactions Groups
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M.4.2.1 Foldable Converting Moles to Grams Converting Grams to Moles
Using Avogadro’s Number (1) Using Avogadro’s Number (2)
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Calculations with Moles: Converting moles to grams
How many grams of lithium are in 3.50 moles of lithium? 3.50 mol Li 6.94 g Li = g Li 24.3 1 mol Li
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Calculations with Moles: Converting grams to moles
How many moles of lithium are in 18.2 grams of lithium? 18.2 g Li 1 mol Li = mol Li 2.62 6.94 g Li
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Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 3.50 moles of lithium? 3.50 mol 6.02 x 1023 atoms = atoms 2.07 x 1024 1 mol
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Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 18.2 g of lithium? 18.2 g Li 1 mol Li 6.022 x 1023 atoms Li 6.94 g Li 1 mol Li (18.2)(6.022 x 1023)/6.94 = atoms Li 1.58 x 1024
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The Mole POGIL Work in groups of four Reader Manager Recorder
Technician / Reporter Parts 3 and 4
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