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2.26.15 Pick up turned back papers. Pick up daily handouts. Today:
Complete the Mole conversion half sheet and turn in before you leave today ( to my tray) NO NAME = NO GRADE If you finish early start the mole ratio half sheet Homework: Finish Mole Ratio Half Sheet NO TUTORING TODAY
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Homework 2-26 Finish mole ratio half sheet
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IMPORTANT DATES Tuesday 2/24 – Tutoring 2:30-3:30 Wednesday 2/25 – Mole Quiz Chemical Reaction Retest Thursday 2/26 – Tutoring 2:30-3:30 Friday 2/27 – Lab/ Quiz
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Agenda 2-25 Do Now Chemical Reaction ReTest Mole Conversion Review
White boards and Mole Activity in 1st White Boards and Foldable in 2 & 4 Mole Quiz
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Google Classroom you MUST USE YOUR GAGGLE EMAIL ONLY !!
Go to the GOOGLE login page Use the following username and password: Username: firstinitial + last name + last four of student Password: Birthday YYMMDD Then in that google page search Google Classroom, click the first link.
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Google Classroom you MUST USE YOUR GAGGLE EMAIL ONLY!!
If you have not joined the class join by selecting that you are a student. Then click the plus sign in the upper right hand corner to enter a code. Codes: 1st block – klcajn 2nd block – ot0ok37 4th block – 5m3uvc
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Chemical Reaction Retest
Write the skeleton equation for the following: Magnesium Iodide + Manganese Sulfite Magnesium sulfite + Manganese Iodide Balance the reaction in number 1. Predict the products of the following: AgSO4 + Cu What type of reaction is #3 ?
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Today is February 25, 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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Review of Formula Mass
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Review of 2 step
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Review of molecules 3 step
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Celsius to Kelvin
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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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M.4.2.1
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M How many grams are in x10^23 molecules of NaCl ?
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4 How many atoms are in 21 grams of Lithium?
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2 How many grams are in x 10^24 atoms of water ?
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1 How many molecules are in 66 grams of Aluminum Chloride ? (remember to find the charges and criss cross when writing formula!)
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quiz
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