LW_FA07 - LECTURE WORKSHEETS Lecture Worksheets The purpose...

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LECTURE WORKSHEETS Lecture Worksheets The purpose of the lecture worksheets is to make you aware of some of the basics that will be covered in Chem 110 lecture, in the hopes that you will get more out of lecture through this kind of preparation. The answers to the questions in the lecture worksheets can be easily found in your text book in the sections shown at the top of each page. They are intended to help you focus on what you read and increase your understanding. If you pay attention as you fill out the worksheet you will get more out of them. The due date for many of the worksheets is prior to the lecture where you will encounter the subject. This is done intentionally so you will get ahead and have some preparation for each lecture. Lecture Worksheets are to be turned in at the beginning of the Chem 108 recitation each week. Early lecture worksheets will be accepted. Anything past the indicated due date will not receive credit! In general, Lecture Worksheets will be graded based on effort rather than results, i.e., if the assignment is done on time and with reasonable care, full credit will be given, even if there are some mistakes in the work.
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Chem 108 Lecture Worksheet BLB 10 th Ed. Lecture Worksheet 1 Name ___________________________ (Chapter 1) Chem 108 Section #_______ Due Tues. Sept. 4 1. Define the following: (a) mixture (b) element (c) compound (d) solution 2. (a) Define physical and chemical property and give an example of each. 3. (a) Define physical and chemical change and give an example of each. 4. Using scientific notation, write the following numbers in meters: a) 1 km d) 200 µ m b) 26 cm e) 760 nm c) 25 mm 5. What is the freezing and boiling point of water in ° C, ° F, and K? 6. How many significant figures are in the following numbers: a) 3.6 c) 0.00057 b) 10.06 d) 0.4500 7. Describe how you deal with significant figures in: (a) multiplication/division problems (b) addition/subtraction problems.
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Chem 108 Lecture Worksheet BLB 10 th Ed. Lecture Worksheet 2 Name ___________________________ (Chapter 2.1-4, 5.1-3, 6.1-3) Chem 108 Section # _______ Due Tues. Sept. 4 Chapter 2.1-4 1. What is the modern view of an atom? (What are the names of the subatomic particles in an atom and where are they?) 2. (a) What is the difference between the mass number and the atomic number? (b) In the symbol 6 12 C , what does the number 12 tell you about the atom structure? What does the number 6 tell you about the atom structure? Chapter 5.1-3 1. For a chemical reaction in a laboratory, what is the system? What are the surroundings? 2. Define the following: (a) heat (b) Enthalpy 3. What are the units of energy? Chapter 6.1-3 1. What is the value of the speed of light (include units)? 2.
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LW_FA07 - LECTURE WORKSHEETS Lecture Worksheets The purpose...

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