all there were seven samples‚ namely water‚ isopropyl alcohol‚ coconut oil‚ wooden block‚ marble‚ pebbles‚ and an unknown liquid sample. For the density of water‚ a clean and dry 100ml graduated cylinder was weighed and 50ml of water was added into the graduated cylinder. The graduated cylinder with water was weighed again to get its mass. For the density of a liquid other than water‚ a clean and dry 10ml graduated cylinder was weighed and 5.0ml of the different liquid samples (isopropyl alcohol‚
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Title: Archimedes principle Objective: To use Archimedes Principle to determine the density of an object more dense than water. Introduction: Archimedes ’ principle is a law of physics stating that the upward force (buoyancy) exerted on a body immersed in a fluid is equal to the weight of the amount of fluid the body displaces. In other words‚ an immersed object is buoyed up by a force equal to the weight of the fluid it actually displaces. Hence‚ the buoyant force on a submerged object is the
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Solid Freeform Fabrication of Functionally Graded Materials Abstract: Functionally Graded Materials (FGMs) have a wide range of potential commercial applications which consist of components requiring wear-resistant surfaces such as engine components‚ rocket nozzle and so forth [1]. Solid freeform fabrication (SFF)‚ especially Freeze-form Extrusion Fabrication (FEF) technology‚ an economical method feasible for grading among many compatible plastic‚ ceramic and metal materials combinations
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Chemistry Lab Report Practical #1 Title: The Densities of Liquids and Solids Date: 29th of August 2014 Session: Friday 1 p.m. Student’s name: Alua Sarybay Lab partner’s name: Gulzhauhar Nurdildayeva Tutor’s name: Eugene Douglass Introduction The matter can be observed by determining‚ measuring and monitoring its chemical and physical properties. In this experiment the densities of liquids and solids will be determined. The density is an intensive property of matter that does not depend
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Discussion The purpose of the Density Lab was to determine the identity of four unknown solids and two unknown liquids by calculating their densities and comparing them to a density chart‚ taking into account error analysis and finally classifying the substances. In order to calculate this density‚ we first found the mass of the container that was to be holding the substances. We then found the volume of the substance‚ and lastly determined the mass of the container and substance. We subtracted
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Locomotion in an animal with an endoskeleton (fish) * Water has a higher relative density (800 times higher than air) and is a viscous medium to move through. * The body of a fish is of a streamlined shape to move quickly in water. * The streamlined shape of a fish: * a) is long ellipse tapering to a point (shaped like a torpedo) in the direction of the flow of water. * b) reduces the drag (a drag is water resistance caused by friction between moving water and the
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Experiment 5: Relative Density Patrick Erlo Reyes‚ Joseph Winfred Sajul‚ La Reyna Roshele Salenga‚ Luisito Jeremiah Samonte‚ Christine Bernadette Sanchez Department of Biology College of Science‚ University of Santo Tomas España‚ Manila‚ Philippines Abstract This experiment is concerned with the densities of objects. The first activity is determining the density of a cylinder through displacement method and by weighing. The second activity is finding the density of a bone and determining it whether
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volumetric glassware should be calibrated to measure the volume that is actually contained in or delivered by a particular piece of glassware. The calibration is done by measuring the mass of water contained in or delivered by the glassware. The density of water at a particular temperature is used to convert mass into volume. Pipettes and burettes are calibrated to deliver specific volumes whereas‚ volumetric flasks are calibrated to contain basis. MATERIAL AND PROCEDURE The materials used
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to zeros. 3. Graph the volume and mass on an excel sheet to help determine the density of each plastic. The y-axis is the dependent and the x-axis is the independent‚ which in this case the y-axis is the mass and the x-axis is the volume. In the graph‚ add a linear trendline. Determine the slope to find the average density. 4. Once you have found the density for each known plastic‚ you will find the density of the two unknown plastics. First‚ use 50mL of water and place each plastic in the
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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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