Chemistry 111 Introduction Tools of Chemistry Page 1 Chemistry 111 General Chemistry These notes represent an outline of the initial lectures in General Chemistry I Chemistry 111 The material is covered in Chapter 1 of Chemistry Chemical Reactivity 4th edition These notes will provide a guide for studying the chapter and will help you follow along in the lecture End of Chapter Questions Chapter 1 pages 51 57 Questions 4 6 8 10 12 14 16 22 26 28 30 36 50 52 54 60 64 72 Using the CD ROM answer questions regarding Screens 1 3 1 6 1 8 and 1 12 Note that the questions with boldfaced numbers have answers given in the back of the book Appendix O pages A 61 to A 62 Chemistry 111 Web Site http www oneonta edu kotzjc GenChem html Available on this web site are the following materials that may help you better learn the concepts in this course These lecture notes A bank of multiple choice questions The PowerPoint slides used in the lecture All of these items can be viewed in Netscape or Microsoft Internet Explorer In addition you will need to have Acrobat Reader loaded on your computer Download it from the SUNY Oneonta Download page http www oneonta edu ocs documentation software download index html or directly from Adobe http www adobe com prodindex acrobat readstep html Note that some of these Acrobat files are quite large and can only be downloaded conveniently if you have an Internet connection on campus not a modem connection Useful Internet Material 1 The periodic table Web Elements http www webelements com The Comic Book Periodic Table http www uky edu holler periodic periodic html 2 Biography of Celsius http www astro uu se history Celsius eng html 3 Origin of Celsius thermometer http users bart nl sante engtemp html Chemistry 111 Introduction Tools of Chemistry Page 2 Introduction Tools of Chemistry Chemistry Chemical Reactivity 4th edition Chapter 1 How do you define a chemical element Can you name other chemical elements Names and symbols of the elements are igven on the How many elements are there What person is the father of the modern periodic table The major components of the atom are 1 2 Where is each located A molecule is What is a molecular formula What is the formula of caffeine Chemistry 111 Introduction Tools of Chemistry Page 3 What are the three ways we view chemistry what happens when we combine the elements hydrogen and oxygen and a bit of energy What are the three states of matter In what state of matter do the molecules move most rapidly Name some physical properties in general What are some physical propertgies of pure water Chemistry 111 Introduction Tools of Chemistry Page 4 What are some physical changes Define DENSITY What are some possible units for density What is the most dense element in the periodic table Density Calculation What are two types of properties of matter 1 2 How do they differ Chemistry 111 Introduction Tools of Chemistry Page 5 What is the object of the problem What information do you have Solving the mercury problem How do we define chemical change Decide if each of the following is a physical or chemical change a burning wood b melting an iceberg c eating a piece of candy d rusting iron e dyeing a piece of cloth Chemistry 111 Introduction Tools of Chemistry Page 6 The types of observations we can make are a b You notice that a gem is deep blue and find that it is 2 centimeters long and 1 5 centimeters wide What types of observation s have you made What are the fundamental units of measurements we use in chemistry UNITS OF LENGTH 1 km m 1 m cm 1 cm mm 1 nm m UNITS PROBLEM A box is 15 cm wide 0 30 m long and 35 mm high What is the volume of the box in cm3 In m3 Chemistry 111 Introduction Tools of Chemistry Page 7 Is the Celsius degree larger smaller or the same size as the Fahrenheit degree Is the Kelvin degree larger smaller or the same size as the Celsius degree TEMPERATURE CONVERSIONS 1 Your body temperature is about 99 F about C or about K 2 If you have some hot water in the lab with a temperature of 60 C its approximate temperature on the Fahrenheit scale is F and on the Kelvin scale it is K 3 The temperature on the surface of the Moon is 35 C ON the Kelvin scale this is about K