Lab Report Question- Why do few objects float in water where as others sink? Hypothesis- I think the objects that have a greater density than water will sink. So whichever object has a density more than 1g/cm³ will sink in water. This is known as relative density where the density of the substance is compared to the density of water. Hence‚ the object that has a greater mass: volume ratio than water will sink. Materials- * 1 measuring cylinder * 1 rectangular prism * 1 ball of plasticine
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ABSTRACT The densities of several liquid and solid samples were determined as an exercise in measurement. Density‚ being an inherent and intensive property of a substance‚ was also used to determine the identity of an unknown liquid sample. Proper procedures on measurement were observed in order to determine the mass‚ volume‚ and density of the samples. Four liquid samples were used namely water‚ isopropyl alcohol‚ coconut oil‚ and an unknown liquid sample. The experimental density values were measured
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Honors Chemistry Period 2 September 22‚ 2013 PRE-LAB Title: Density of Metals – Shot Lab Purpose: The purpose of this lab is to find out the density of different metals using their mass and volume. If the volume and mass for the metals Nickel and Copper are found‚ then we can figure out the density. Materials: Metal shot Plastic rinse bin Electric Balances Calculator Graduated Cylinders Water Wire Gauze Weigh Boats Pre-lab Questions: 1) The volume of the water is 43.0 mL
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Chemistry Lab Report Purpose The purpose of this lab is to determine the identity of an unknown liquid by measuring its density and its boiling point and try to match it with those solutions given in Table 2 of experiment 2. Procedure Part A In Part A‚ The main purpose was to find the determination of the density of the unknown (j41) and by doing that we had to determine volumes of the unknown liquid (j41) using three different volumetric devices which are graduated cylinder‚ pipette
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Discuss your physics questions online at www.physics4spm.com 3 FORCES AND PRESSURE 3.1 UNDERSTANDING PRESSURE Pressure is force per unit area Pressure = Force Area P= F A 1. Define Pressure 2. State pressure’s formula 3. State relationship between pressure and area. 4. Describe applications involving High Pressure Increasing the pressure by reducing the area A sharp knife has a very The studs on a football small surface area on its boot have only a small cutting edge so that high area of contact
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buoyancy? – Buoyancy is the upward force caused by a fluid such as water. • What is Archimedes Principle? – The buoyant force is equal to the weight of the displaced water. • What is density? – Density is the mass of a material per unit volume. – Example: The density of steel is 10 times more than the density of wood. Hypothesis I think when the weight of the object is greater than the displaced water‚ it will sink. If the weight of the object is equal to the weight of the displaced water
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cylinder (g) Graduated cylinder Liquid (g) Liquid (g) Density g/ml % Error Water 5ml 18.85g 23.4g 4.55g 0.91g/ml Isopropyl alcohol 5ml 18.85g 23.0g 4.15g 0.83g/ml Object Mass (g) Length (cm) Width (cm) Height (cm) Volume (cm3) Density (g/ cm3) Magnet 4.35g 2.55cm .6cm .6cm .918 cm3 4.74g/cm3 Object Mass (g) Initial volume of Graduated cylinder (ml) Final volume of Graduated cylinder (ml) Object volume (ml) Density (g/ml) Magnet 4.35g 7ml 7.75ml .75ml 5.8 g/ml Metal
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013 4. 58.3 5. 0.583 C. DENSITY and SPECIFIC GRAVITY (20 pts.) (Observe proper Significant Figures in the answer) 1. Calculate the mass in grams of 15.0ml of a saline solution that has a density 1.05 g/ml 2. Copper has a density of 8.96 g/ml. Calculate the volume occupied by 125.0 g of copper. 3. A. If the density of a liquid is 0.80 g/ml‚ what is its specific gravity? B. If the specific gravity of a substance is 2.3‚ what is its density? D. TEMPERATURE (30 pts.) (Observe
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The Seven Layer Density Column By Nicia Buttner Grade 8 Table of Contents: Statement of purpose……………………………………. 2 Hypothesis…………………………………………………….. 3 Research……………………………………………………….. 4 Materials………………………………………………………. 5 Procedure……………………………………………………… 6 Observation and results…………………………………. 7 Conclusion…………………………………………………….. 8 Bibliography…………………………………………………... 9 Acknowledgements………………………………………… 10 Page 2 The purpose of this experiment is to compare the different
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vertical U tube of uniform cross section contains mercury in both of its arms. A glycerine (d = 1.3 g/cm3) column of length 10cm is introduced into one of the arms. Oil of density 0.8g/cm3 is poured in the other arm until the upper surfaces of the oil and glycerine are in the same horizontal level. Find the length of oil column. Density of mercury is 13.6 g/cm3. (9.6cm) 2. Two communicating cylindrical tubes contain mercury. The diameter of one vessel is four times larger than the
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