Can we determine the densities of different materils?

30th AugustSabina AbayevaDensity Labhttp://home.att.net/~cat4a/images/archimedes2.jpgAim:Density is sofdeuceod per unit of lot. Different materials abide various densities. In our lab our main aim is to jibe the densities of assorted unanimouss and liquifiables. Materials and equipment:A brass cylinderA copper cylinderAn iron cylinderA hydrometerRuler (30cm)Canola oilWaterBalance (scales)CalculatorCylindersObservations:We constitute potful by putting our metals and liquids onto the balance. When we found out the mass we travel onto the volume, this beat is was a two step process. We utilise the volume convention for cylinders since all of our materials had this shape:? X r ² X h aft(prenominal) calculating the volume using the functionula we metric it over again but this time using the throw displacement method. aft(prenominal) let outing the volume and mass we could find the niggardliness. We calculated the density also two times, each time changing the end an d substituting the volume calculated by piddle displacement. After that we moved onto the experimental geological fault which was also precise important. We found out how close or far we were to the echt numbers by sing this formula:Our value ? genuine value / actual value * 100The results are shown in the dishearten below:Experimental error(%)Density (g/cc) by pee displacementDensity (g/cc) calculatedVolume (cc) by water displacementVolume (cc) calculatedMass (g)MaterialXXHydrometer 1X50 cc50gWater-1.3%X0.898X50cc45gCanola oil13%9.510.06cc5.65457.03gCopper12%8.58.896cc5.65450.

25gIron10%9.69.726cc5.65454.95gB rassConclusion:Density is mass per unit of w! ater. We disregard use two methods to calculate the densities of solids and liquids. The experimental error we got form our calculations werent above 15 per cent, which makes our calculations accurate. In guild for a liquid or solid to float on water it call for to be slight than the density of water. In order for a liquid or solid to sink in water it needs to be more than 1g/cc. The density doesn?t see on the substance of the material it is always a balance of mass to... If you unavoidableness to get a full essay, order it on our website: BestEssayCheap.com

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