and Understanding Density‚ several experiments were performed to find density of regularly shaped objects‚ irregularly shaped objects‚ liquids and gasses. An additional experiment was done to find the specific gravity of a sampling of liquids. The purpose of the experiment was to provide a better understanding of density and to be able to extrapolate unknowns based upon these calculations. The experiments yielded data in keeping with Kinetic-molecular theory in regards to the density of water versus
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ACTIVITY 1 MEASUREMENTS IN SCIENCE: MASS‚ VOLUME‚ AND DENSITY Purpose: The purpose of this experiment is find the density of two metals using their mass and volume. Introduction: The purpose of the experiment that was conducted was to measure and calculate the density of two different metals. Density is an important characteristic of a material. The density of an object shows how much mass is contained in the unit volume. To calculate the density of metals the experimenters had to find out the mass
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SCIENCE Density Calculate density‚ and identify substances using a density chart. Density is a measure of the amount of mass in a certain volume. This physical property is often used to identify and classify substances. It is usually expressed in grams per cubic centimeters‚ or g/cm3. The chart on the right lists the densities of some common materials. EQUATION: Densities of Substances Substance Density (g/cm3) Gold 19.3 Mercury 13.5 Lead mass density ϭ ᎏ volume
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Density Column What is density? We will be working with many different liquids. Each of the liquids has a different‚ characteristic density. One way to think about density is how thick or heavy an object is. The liquids with lighter densities will float. The liquids with heavier densities will drop to the bottom. You may have noticed that sometimes‚ liquids mix together – this is because the chemicals dissolve in each other. During our experiment‚ the liquids will stay separate because we will
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Measurements and Density Objectives: A. To determine the density of Aluminum (lit. value = 2.7 g/cm3) by determining its mass‚ and measuring its volume by dimensional analysis and water displacement. We will also examine the % error in our determination based on the literature value. B. To determine the mass and diameter of select ball bearing. Plot graphs of mass vs. diameter‚ mass vs. surface area‚ and mass vs. volume. Afterwards use slop of the mass vs. volume graph to determine density. Procedure:
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Determination of Density Abstract: The purpose of the experiment was to determine if density is an intensive or extensive property of matter. The experiment proves that density is an intensive property. The density of an object remains the same no matter how much of it is present. The density is an intensive property because mass and volume changes at the same rate. Introduction: This experiment was designed to determine if density is an intensive or extensive property. The density of an object
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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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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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Joshua Berkebile 8-26-10 1st period Density Lab The purpose of this lab was to find the mass‚ the length‚ the width and the height of 4 different cubes so we could calculate the volume and density of them. We also had to find the density of irregular shapes by dropping them into a graduated cylinder than subtracting the starting water volume by the ending water volume. Density is how much mass is in a certain volume of matter. Volume is the amount of room that an object
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Purpose The goal of this lab is to find out which metals were used in the minting of pennies before and after 1982 by calculating their densities. Hypothesis If the penny was made after 1982 then its density will be higher than those made before 1982. Materials • 1 Graduated cylinder • 30 mL of water • 10 pennies minted before 1982 • 10 pennies minted after 1982 • 1 electric scale Procedure The mass of ten pennies minted before 1982 was calculated five times using the scale and then
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