<p>DATE: 10/2/2012 LT: “I can” calculate density and analyze data. B/R: 1) Is density a physical or chemical property? 2) Which of the following is the most precise? a) 34.25 s b) 34 s c) 34.2 s d) 34.258s 3) flammability, producing gas, forming a precipitate, and reacting are examples of ______changes. properties. 4) Which of the following are physical properties. a) viscosity b) malleability c) boiling point 5) What property stays the same during physical and chemical changes? a) density b) shape c) mass d) arrangement of particles. 6) A solid brown metal is added to a clear acidic solution. A white powder appears and the acid solution becomes cloudy. Which types(s) of change has occurred? 7) The table below contains data for mercury and water at standard pressure. Substance Melting Point (C) Boiling Point(C) Mercury -39 357 Water 0.0 100 Based on the data in the table, which of the following pairs of substances could exist at the same temperature? a. Ice and liquid mercury b. Liquid water and solid mercury c. Water vapor and solid mercury d. Liquid water and mercury vapor</p><p>KEY TERMS- density = mass/volume</p><p>Density of water = 1 g/cm3</p><p>Density of materials g/mL or g/cm3 Material Density Material Density Polyethylene 0.938 Iron 6.98 Water 1.0 Tin 7.35 Nylon 1.17 Brass 7.50 Pvc 1.39 Bronze 8.8 Kevlar 1.44 Copper 8.96 Graphite 2.163 Silver 10.5 Aluminum 2.70 Lead 11.36 Titanium 4.5 Gold 19.3</p><p>Demo – candle in water and alcohol Demo – coke vs. diet coke Lentils in club soda Eggs in different solutions of water Scenario of finding the right density. Found all these metals in an ocean Discovery.</p><p>Classwork:- lab worksheet –see tray Density worksheet – see tray </p>