Bubbles Up: A Science Experiment on Density Density is the measure of the quantity of some physical property [usually mass] per unit length‚ area‚ or volume (YourDictionary.com). How does temperature affect density? Do items become denser after being frozen? It is well known that water becomes denser when it ’s temperature lowers until its freezing point. Does this principle apply to oil; and if so‚ which kinds? This question easily applies to real world problems. For example‚ when there is an
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Mass‚ Volume and Density Measurements A. Overview Review Sections 1.4 - 1.6 in your textbook (Chemistry: The Central Science‚ 9th Ed. ‚ Brown‚ LeMay‚ Bursten‚ & Burdge) This experiment will introduce you to a very important concept in science‚ especially chemistry: DENSITY. Density is the relationship between the mass of an object and the volume which it occupies. Solid substances generally have the greatest density‚ normally in the range of 1 - 25 g/cm3. Most liquids have densities between 0.5 -
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EXPERIMENT 2: Measurement of equivalent radius‚ bulk density and solid density of granular materials INTRODUCTION Granular material is a group of distinct macroscopic particles‚ composed of grains or particles of solids with interstitial spaces‚ which are the spaces between the particles. Having spaces between the particles means that there are rooms left for the filling of air or liquid. This concept is applied as to use the filling of liquid to determine the volume of the particles later
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Precision: Balance Lab Worksheet Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page. Procedure Access the virtual lab and complete the experiments. Data Below is the table that you will complete for the virtual lab. Either type your results into this table or print the table from the virtual lab (it must be submitted to receive full credit for this assignment.) To print from the virtual lab. Be sure the data
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Substance Volume the amount of space an object takes up cm3 mL Measuring Volume Directly Calculating Volume by Formula Water Displacement Method for Small‚ Irregularly Shaped Objects Water Displacement Method for Large‚ Irregularly Shaped Objects Density Mass the amount of matter in a given space g/cm3 g/m L D=M/V amount of matter in an object Matter-is anything in the universe that has mass and takes space Triple Beam Balance-measures the mass of an object Finding Mass Directly 1. Zero out
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Precision: Balance Lab Worksheet Calculations Show all of your work for each of the following calculations and be careful to follow significant figure rules in each calculation. 1. Part I: Density of Unknown Liquid 1. Calculate the mass of the liquid for each trial. (Subtract the mass of the empty graduated cylinder from the mass of the graduated cylinder with liquid.) Trial 1 36 - 25.5 = 10.5 Trial 2 36.5 - 25.5 = 11 Trial 3 36.9 - 25.5 = 11.4 2. Calculate the density of the unknown
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Lab 2 Sara Rodriguez Period 2 Purpose: What is the more accurate way to measure volume‚ by using displacement or by using a ruler? Hypothesis: If the method of displacement is used ‚ then the results will be more accurate than measuring the volume using a ruler. Materials: -250 mL graduated cylinder -Triple beam balance -A weigh boat -Ruler -Samples Procedure: 1. Gather materials such as ‚ samples‚ weigh boat‚ triple beam balance ‚ graduated cylinder‚ ruler and water. 2. Take the materials
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acquaint the students with basic laboratory procedures‚ methods‚ and techniques; to introduce the use of basic laboratory measuring devices; to demonstrate different methods of manipulation of numerical quantities. DENSITY AND SPECIFIC GRAVITY Materials and Methods Part 1: Density of an Unknown Solid 1. We first were asked from our laboratory instructor to attain an unknown solid and were asked to note down the number of the solid. 2. Determine the mass of the unknown solid to the
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which contains about 13% of the world’s population and supports high urban densities due to its strong manufacturing base. The final cluster is North-eastern USA/southern Canada‚ which has a rich agricultural base and natural resources of coal iron ore‚ natural gas and oil. Population densities within these regions are over 50 people/km2. There are also fourteen smaller clusters of population with population densities of 10-50 people/km2. Included in this group are eastern Australia‚ the islands
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Dylan McFarland 9/15/14 Honors Chemistry Richardson Lab: Measuring the Density of Pennies Pre-Lab Questions: 1. The equation that relates density‚ mass‚ and volume is: density = mass / volume. 2. All substances have unique densities‚ so if you are able to find the density of a substance‚ you can properly identify it. 3. We measure irregular-shaped objects with the use of water displacement because it would be nearly impossible to get the exact measurements
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