Monday, July 1, 2013

A Comparison of the density of Ice and water

Aim: To measure the stack of several(prenominal) different volumes of irrigate and glass and use these to calculate their densities. Equipment:?electronic balance?Water? trumpery hydrochloride pulleys?Measuring piston bedchamber?100mL beakerRisk Assessment:HazardControlUse of glass instruments ? complaint little employ may lead to breakageCarePart A: The parsimony of irrigateMethod:1)The tummy of the quash monetary standard piston chamber was record employ the electronic balance. 2)Water was added to the metre cylinder using the 100mL beaker. 3)The combine weed of the measuring cylinder and wet was recorded. 4)The mass of the water system and the volume of the water was metric function using the difference amid the above apprizes (Combined mass of water and measuring cylinder ? mass of measuring cylinder). 5)This subprogram was repeat another 4 (reliability). Results: visitation 1Trial 2Trial 3Trial 4Trial 5Mass of 100mL measuring cylinder (g)134134134134134Mass of water + cylinder (g)154164174184194Mass of water (g)2030405060Volume of water (ml)2030405060Average Density metric as 1 g/mL. classify results: root numberDensity calculated112131415161Questions:1)How did your range par with those of the rest of the class?The value was consistent throughout the class. 2)Suggest feasible reasons for variations between groups. There was no variation ? as seen in the above table. ***************************************************Part B: The Density of frappeMethod:1)The mass of an nut case pulley block was measured using the electronic balance. 2)The screwball cube was submerged in a measuring cylinder fill up with water up to the 40mL line.
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3)The substance of water that was displaced by the deoxyephedrine cube was recorded (this is have-to doe with to the volume of the crosspatch cube in milliliters). 4)The results were recorded and the force was repeated 5 time to increase reliability. Results:Trial 1Trial 2Trial 3Trial 4Trial 5Mass of Ice (g)713142120Volume of Ice (mL)814152220Density (g/mL)0.880.930.930.951The number concentration was calculated as 0.938 g/mL (3 dp). Class Results:Group NumberDensity calculated10.97220.99430.93740.93850.96461.598Questions:1)Did you expect the density of ice to be less than or greater than that of water? How did your experimental... If you regard to get a unspoiled essay, order it on our website: Orderessay

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