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Study Guide Test 1 - STUDY GUIDE/SUGGESTED PROBLEMS Chapter...

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STUDY GUIDE/SUGGESTED PROBLEMS Chapter 1: Typical Test Questions: 1. Perform the following calculations, reporting the answer to the correct number of significant figures and reporting the answer in both scientific notation and decimal notation. a. 2.64E4 x 1.15E-3 d. 32.5 x 1.0E-3 b. 205.1 + 1.386 e. 1.3E4 – 5.41E3 c. 14.69 / 1.1E5 f. 14.3 – (12.12 x 0.650) 2. How many feet are there in 0.50 km? 3. How many ml are there in 1.25E-2 L 4. If the students in a particular class are 40% male and 60% female and there are 16 males, what is the number in the total class? How many females in the class? 5. What is the volume occupied by 15.2g of a material with a density of 2.41 g/ml? 6. Convert 87 ° F into ° C and ° K. Convert -40 ° C into ° F and ° K. Chapter 2: Typical test questions: 1. An atom has an atomic number of 17 and an atomic weight of 35. How many protons, electron, and neutrons. 2. A fluoride ion has an atomic number of 9, and atomic mass of 19, and a charge of –1. How many electrons, protons, and neutrons. 3. How many protons, electrons, and neutrons does a typical calcium cation have? 4. What are the weight percentages of all of the elements in the acid, H 3 PO 4 ?
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