then measured arbitrary amounts of NaHCO3 using plastic weighing boats and an electronic scale. We poured the NaHCO3 from the plastic weighing boats into their own plastic bags. Using the measurements of the NaHCO3 ‚ we calculated the exact volumes of 6.0 M acetic acid needed to completely react with the amounts of NaHCO3 (see Calculations). The acetic acid was then measured out using 10 mL graduated cylinders and poured into their respective locations in the plastic bags. Once all of the reactants
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sphericity of a particle is the ratio of the surface-volume ratio of a sphere with equal volume as the particle and the surface-volume ratio of the particle. For a spherical particle of diameter D p‚ F s =1; for a non-spherical particle‚ the sphericity is defined as Dp: equivalent diameter of particle Sp: surface area of one particle vp: volume of one particle The equivalent diameter is sometimes defined as the diameter of a sphere of equal volume. For fine particles‚ Dp is usually taken to be
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lab was answered in 4 questions‚ and their answers are here shown. The density of the metals we used were 5g/cm3. The density of a metal piece does not depend on its size‚ it depends on the total mass and total volume. The most accurate way of determining density is dividing mass by volume. You can’t identify metals by their density. It can help you narrow the options down‚ but you can’t identify a metal by using only its density. 2. Question Can we find out the density of a metal only using water
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as the mass of substance per unit volume. Both pure substances and solutions are applicable. Today we are going to determine the Density of rock chunks and NaCl solution. In this experiment‚ we will determine the mass and volume of each object and then we will calculate the ratio—the density. In the first part of the experiment‚ we should measure the density of some irregularly shaped chunks of rock. The Weight of rocks is 18.769g. To calculate the volume of rocks‚ We make use of Archimedes
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Discussion and Conclusion In this lab‚ a submarine Adventure: Density Saves The Day‚; I had made many of the calculation for the best result of the lab. My calculations section contains: the volume of the unknown metals‚ where I figure out the volume of each metal so that I will be able to determine its density in order to find its identity; the density of unknown metals‚ where I figure out the density of each metal so that I will be able to determine its identity; percent error between known
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Jessica Cimaroli Lab 1 Purpose To learn about the International System of Units (SI) system and how it relates to measurements in mass‚ length‚ temperature‚ volume‚ and time. To learn about the common techniques and laboratory equipment used to make SI measurents. Procedure Length Measurements 1. Gather the metric ruler‚ CD or DVD‚ key
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Cydney Kessler Date of Experiment June 13‚ 2015 Report Submitted: June 15‚ 2015 Title: Laboratory Techniques and Measurements Purpose: In this experiment I will determine the mass‚ density‚ volume‚ lengths and temperatures of different objects and liquids to help me better understand the importance of Chemistry and how Chemistry plays a big role in our everyday lives. Procedure: In the experiment‚ I use devices such as a ruler‚ beakers‚ flasks‚ a scale and cylinders
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Perry Procedures of Measurement and Density of Sugar in Soda Introduction The main focus of this lab was to acquire a basic understanding of how to properly use measuring devices in order to determine properties of a liquid. These properties are volume‚ mass‚ and density. The following measurements were obtained in the lab: density of water‚ both density and concentration of aqueous sugar solutions‚ and density of various soft drinks with respect to sugar. Additional experience was obtained by using
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Objective: To determine the relationship between the pressure and volume of a gas at constant temperature. Introduction: The relationship of pressure to volume for a gas in a rigid container was first described in 1662 by the Irishborn scientist Sir Robert Boyle (16271691)‚ and is known as Boyle’s Law. As long as the temperature of the gas remains constant‚ the pressure of a gas has a predictable relationship with the volume of the gas. The pressure of a gas is a measure
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1a Packaging of a potato chip 6cm Volume of a single = 170cm cubed Volume of cylinder = ∏r squared Height= volume Divided by ( ∏r squared) Height= 170cm divided by (∏ x 3 squared) Height = 6.01 round of to 6cm Allowing 1 extra cm for room Top and bottom of cylinder = 6cm + 1cm = 7cm Height= 6cm + 1cm = 7cm Total surface Area= area of base + area of top
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