Comparing the Density of Metals Question: What is the effect of changing the type of metal on its density? Hypothesis: If a different metal type is used‚ then the density will change. Materials: 4 metal samples Balance 50 ml graduated cylinder Water Paper towels Apparatus: Pre-Lab Questions: 1. What’s the formula to calculate density? D = M / V
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Beverage Density Lab 1. Beverage Density Lab 2. Purpose: To find the different densities when there is a certain amount of sugar is added in water. 3. Materials: 1) A 100 mL beaker 2) Coconut Water 3) Powerade 4) Scale 5) Pipet 6) Sugar referred solutions (0%‚ 5%‚ 10%‚ 15% and 20%) 4. Procedure: 1) Get an empty 100 mL beaker and weight it on a scale. Make sure the sale is zeroed out. 2) Use the pipet and draw out 10.00 mL of 0% distilled water into the beaker. 3) Record
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INTRODUCTION 1.1 Background of the Experiment Mass density describes how heavy an object is. Defined by the Greek letter ρ‚ read as rho‚ density is a basic yet important physical property of matter. For a bulk body without accounting its existing pores and voids‚ density is represented by the ratio of its mass and volume. It is given by the equation ρ= massvolume 1. The SI unit of density is kg/m3. However‚ its CGS units‚ g/cm3 or g/ mL‚ are the most commonly used ones in the laboratory. The
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Eunjin Choi CHEM 161L (603) 6/2/2014 Lab report 1: Density Purpose: The purpose of this lab was experimentally determining the familiarization between volumetric and gravimetric using common equipment. Procedure: Equipment: Objects for density determination – a metals‚ and Teflon ball 50 mL graduated cylinder 100 mL graduated cylinder 50 mL beaker Electronic balance Calcaulator Water Ammonium sulfate Step: Part 1.Measurment of the density of a solid 1. Three metal
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Practice Density Problems Solve the following problems showing all your work including equations and units. 1. Calculate the mass of a liquid with a density of 3.2 g/mL and a volume of 25 mL. (answer = 80 g) 2. An irregular object with a mass of 18 kg displaces 2.5 L of water when placed in a large overflow container. Calculate the density of the object. (answer = 7.2 kg/L or 7.2 g/mL or 7.2 g/cm3) 3. A graduated cylinder has a mass of 80 g when empty. When 20 mL of water is
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Lab Report Density Name: Period: Problem How do you calculate Density? What units did you use for volume‚ mass‚ and density? When the cubes are placed in water which one will sink 1st? What is the ranking of the cubes lightest (1) to heaviest (10)? Is it true that the cube with the most mass will have the most density? Hypothesis I think the 1st cube was aluminum I think the 2nd cube was steel I think the 3rd cube was brass I think the 4th cube was copper I think the 5th
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causes osteoporosis? In childhood‚ bones grow and repair very quickly‚ but this process slows as you get older. Bones stop growing in length between the ages of 16 and 18‚ but continue to increase in density until you are in your late 20s. From about the age of 35‚ you gradually lose bone density. This is a normal part of ageing‚ but for some people it can lead to osteoporosis and an increased risk of fractures. Other things that increase the risk of developing osteoporosis include: diseases of
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table. Words from the text Meanings lifted 1. Appeared for the first time came on the scene 2. accepting Clashing with 3. moving to a new position decimated 4. to blame Apple embracing 5. loses the opportunity/ -ties is lifting 6. stole shifting 7. be expert in reshaping 8. changing the structure to do so 9. destroyed misses out on 10. is raising to a higher level excelled at 11. in conflict with 5 Ideas Apple Gleefully Stole From Google‚ Twitter‚ and Microsoft
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1. The general trend for bone density as a person ages is a steady decline as years pass. This study shows that every decade‚ males and females bone density slowly decreases. 2. Between the ages of 20-50 females lose about 11% of their bone density and males lose about 13% of their bone density. Males do in fact lose more density then females but they lose it at a more stable and steady rate. Females lose less density at more unstable rate going from about 6% (40-50) to about 9% (60-70). Males
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____________________________ http://phet.colorado.edu/en/contributions/view/3350 Buoyancy and Density Activity Directions: Go to the following website to use an interactive simulation to work with buoyancy and density. http://phet.colorado.edu/sims/density-and-buoyancy/buoyancy_en.html Procedure: Getting Familiar 1. On the Intro screen‚ mess with the apparatus‚ changing the blocks‚ observing what happens when the mass‚ volume and densities are held constant. 2. Check and uncheck the boxes under “Show Forces” to see
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