Experiment 5: Relative Density

Jun 17th, 2015
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Abstract: In the first activity of the experiment, the composition of an alloy was determined based on its density using the displacement method. The volume and density of the steel column were 6.5 cc and 7.59 g/cc, respectively. The computed percent error by density of the steel column was 3.44%.

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Experiment 5: Relative DensityJoe Mari Isabella Caringal, Rowena Chiang, Khrista Maria Evangelista,Berthrand Martin FajardoDepartment of Biological SciencesCollege of Science, University of Santo TomasEspaa, Manila, PhilippinesAbstractIn the first activity of the experiment, the composition of an alloy was determined based on its density using the displacement method. The volume and density of the steel column were 6.5 cc and 7.59 g/cc, respectively. The computed percent error by density of the steel column was 3.44%. For the second activity, the density of a bone was determined by Archimedes Principle and the obtained value for the density of the bone for this experiment is 1.5 g/cc. The relative density was computed as well and the result was 1.5. Based on this result, the finding was considered as osteopenia, which means that the bone has low bone mass. In the last activity, the density of regular Coke, Coke zero, and Coke lite was determined using pycnometer and the obtained results were 0.9512 g/cc, 0.9374 g/cc, and 0.9102 g/cc, respectively. The relative density of the three liquid samples was also computed and the results were 0.9512, 0.9374, and 0.0102, respectively.1. IntroductionRelative density is defined as the ratio of the density of a substance to the density of a standard or reference material. Specific density, on the other hand, refers to the relative density with respect to water. Both relative density (RD) and specific density (SD) are dime

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