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Study Guides by Chapter - Dr. Jim Bloxton CHEM 1021 First...

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Unformatted text preview: Dr. Jim Bloxton CHEM 1021 First Summer Session 2006 Partial Optional Practice Lecture Midterm II (Chapters 4 and 6 and 8.6C,E From 9 th Edition) Or (Chapters 5 and 7 and 9.6C,E From 8 th Edition) Answer Key Note this exam does not include section 7 of chapter 4 (9 th edition) or section 7 of chapter 5 (8 th edition). Note: This is a practice Midterm Exam II that I gave in Chem 1021 during the first summer session of 2006 for chapters 4 and 6 and 8.6C,E from 9 th Edition or chapters 5 and 7 and 9.6C,E from 8 th Edition. This is optional practice material for chapters 4 and 6 and 8.6C,E from 9 th Edition or chapters 5 and 7 and 9.6C,E from 8 th Edition. Notes this exam does not include section 7 of chapter 4 (9 th edition) or section 7 of chapter 5 (8 th edition). These are sample questions that may or may not be used on a quiz, midterm or final exam. This practice midterm is not an exhaustive list of questions that could appear on quizzes or exams. Other questions that are not found in this practice material will be on the actual quiz, midterm and final exam. Learn the basic principles and then be prepared to apply the principles to problems that you have not seen before. It is important to do all of the homework problems that are in your Chem 1021 lecture text in addition to the questions in this optional practice lecture midterm II; optional practice lecture quizzes for chapters 4 and 6 (9 th edition) or chapters 5 and 7 (8 th edition); be proficient with all concepts on pages 1 – 20 of the Chem 1021 lecture course document titled “Dr. Jim Bloxton’s Optional Chem 1021 Nomenclature And Molecular, Full Ionic And Net Ionic Equations”; work all problems on pages 111-128 of the Chem 1021 lecture course document titled “Worksheet For Molecular, Full Ionic And Net Ionic Equations”; and work the questions in the optional study guides for chapters 4 and 6 (9 th edition) or chapters 5 and 7 (8 th edition). The answer key for the Chem 1021 lecture course document titled “Worksheet For Molecular, Full Ionic And Net Ionic Equations” has also been posted under course documents section on Blackboard. Make sure that you do all of the Chemical Connections homework questions that have assigned as well as the homework problems. Note: It is very important to remember that Chemistry is a cumulative topic and that the material that was covered in previous chapters needs to be reviewed as this material will continue to reappear in concepts that are needed to solve new problems. All work and calculations for all problems must be shown. Include proper units for each calculation. 1. Calculate the formula weight of (NH 4 ) 3 PO 4 . Show all calculations. N: 3 x 14.01 = 42.03 H: 12 x 1.01 = 12.01 P: 1 x 30.97 = 30.97 O: 4 x 16.00 = 64.00---------------------------- Formula weight = 149.01 amu and molar mass of (NH 4 ) 3 PO 4 is 149.01 g/mol. 2. How many grams are found in 2.45 mol of (NH 4 ) 3 PO 4 ? Show all calculations....
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This note was uploaded on 03/29/2011 for the course CHEMISTRY 1021 taught by Professor Jimbloxton during the Fall '09 term at Temple.

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Study Guides by Chapter - Dr. Jim Bloxton CHEM 1021 First...

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