Cylinder with liquid (g) Liquid (g) Density g/mL % Error Water 5.0 17.0 22.0 5.0 1.0 0.0 Isopropyl alcohol 5.1 17.0 21.6 4.6 0.90 14.5 Data Table 5: Magnet – Measurement Method. Object: Mass (g) Length (cm) Width (cm) Height (cm) Volume (cm3) Density (g/cm3) Magnet 4.6 2.5 0.5 0.5 0.625 7.36 Data Table 6: Displacement Method. Object Mass (g) Initial volume of graduated cylinder (mL) Final volume of graduated cylinder (mL) Object Volume (mL) Density (g/mL) Magnet
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Calculating the Density of Liquids II. Purpose/Background: The purpose if this lab was to determine the density of water and an unknown liquid. Density is defined as the mass of a substance divided by its volume. It is an intrinsive property of matter and is used to specifically characterize substances. III. Procedure: 1.We massed an empty 10mL graduated cylinder to the nearest .01g. 2.Then‚ we filled the graduated cylinder with 4.0-5.0 mL of distilled water‚ 3.massed it to the nearest 0.1
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your pipet for each trial. Use your mass of water and the volume of the volumetric pipet to calculate the density of water for each trial. Calculate the average density‚ standard deviation‚ and the 90% confidence limits for the average density. 9- Use the temperature of your water along with the values of mass and volume of water given in Table I to calculate the accepted values for the density of water. 10- Determine the relative error with respect to the
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calculate density. Procedure * Access the virtual lab and complete the experiments. Data * Below is the table that you will complete for the virtual lab. Either type your results into this table or print the table from the virtual lab (it must be submitted to receive full credit for this assignment.) * To print from the virtual lab. 1. Be sure the data table is viewable. 2. Right-click (PC) or Command-Click (Mac) on the table and select print. Part I: Density of Unknown
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he/she recorded during the experiments. For Experiment 1‚ you must bring a calculator to the laboratory. You must also have your watch or a timer (you will record time in one of the experiments). 1.1 MEASUREMENT OF THE DENSITY OF A LIQUID 1.1.1 Objective The density of a liquid is to be measured using a hydrometer. 1.1.2 Theory A hydrometer uses the principle of buoyancy to determine the specific gravity of a liquid. Here‚ the weight of the hydrometer (set by the metal spheres in its
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Q1 (a) Define density and relative density. What are the different units of measurement of density? (b) Explain how the relative density of a liquid is found using specific gravity bottle. (c) A metal casting is expected to have a specific gravity of 7.5. Due to entrap air bubbles the actual specific gravity was found to be 6.5. What percentage of the casting filled with air? (Neglect the mass of air in calculation). Q2 (a) Write down the relationship for the dynamic viscosity of fluid in terms of
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Chemistry I Objectives • Become familiar with several important laboratory techniques. • Gain proficiency with some of the common measuring devices used in a chemistry laboratory. • Determine the volume‚ mass‚ length‚ temperature‚ and density of objects and liquids. Materials Materials Label or Box/Bag Qty Item Description Student provides 1 1 1 1 1 1 1 1 1 Metric ruler‚ cm (centimeter) & mm(millimeter) Table salt Small number of ice cubes Piece of string Flame
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Purpose: To find out the densities and to find out the name of the unknown metals. (Based on the extensive and intensive properties) Check up the words mass‚ volume‚ density‚ extensive properties‚ and intensive properties. Where do the units for mass and volume) come from and what do they mean? What is the density of distilled water? What is Archimedes principle? Does temperature affect the density of a solid? Liquid? Gas? Materials: Safety glasses‚ 10‚ 25 or 50 mL graduated cylinders
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Bod Pod • Other models o 3/ 4 compartment models 1.2 Define fat mass‚ fat free mass and total body density • FM o Extractable liquid‚ anhydrous o Density of 0.9007 gcm-3 (at 36C) o Contains no potassium • FFM o Density of 1.1000 gcm-3 (at 36C) o Water content of 72-73% o [K] 68.1mmol.kg-1 • Body Density (BD) o UWW or hydrodensitometry 1.3 Understand how to calculate body density using the equation of Brozek and Siri • Brozek: • BD is then coverted to % body fat (%BF) o %BF = [497
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was to familiarize ourselves with different techniques used in the lab‚ taking proper measurements‚ and how to use the International System of Units (SI). Throughout lab we learned about mas‚ volume‚ length and temperature‚ and to be able determine density and concentration. To be able to documents properly and make effective observations we must be able to understand the International Measurement System. Length‚ temperature‚ time‚ and volume are measured by this system. There are many different
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