existing pores and voids‚ density is represented by the ratio of its mass and volume. It is given by the equation ρ= massvolume 1. The SI unit of density is kg/m3. However‚ its CGS units‚ g/cm3 or g/ mL‚ are the most commonly used ones in the laboratory. The conversion is given by 1 gcm3=1gmL=1000 kgm3 [1]. The density of a homogeneous liquid is also defined by the amount of mass per unit volume. Liquid is usually confined in a container‚ so its volume is relative to the volume of its container
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Yuen Investigation 21: How Much Copper Is in the Coin? RC Bauer‚ JP Birk‚ DJ Sawyer We calibrated three different molarities of copper (II) nitrate. We tested for the %Transmittance of 1M‚ 0.1M‚ and 0.01M and plotted the data collected on a calibration curve based on concentration and absorbance. We used nitric acid to dissolve a penny to produce another copper (II) nitrate to test its %Transmittance and plot that on the graph to discover the concentration of that substance which came out to be
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Department of MECH an ica l.in Paavai Institutions ch UNIT II ww w. me LINEAR AND ANGULAR MEASUREMENTS UNIT-II 2. 1 Department of MECH CONTENTS LINEAR MEASURING INSTRUMENTS 2.1.1 SCALES 2.1.2 CALIPERS 2.1.3 VERNIER CALIPERS 2.1.4 MICROMETERS 2.1.5 SLIP GAUGES 2.3 LIMIT GAUGES 2.4 PLUG GAUGES 2.5 TAPER PLUG GAUGE 2.6 RING GAUGES 2.7 SNAP GAUGE 2.8 TAYLOR’ S PRINCIPLE 2.9 COMPARATORS
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Introduction Wrong or inaccurate measurements can lead to wrong decisions‚ which can have serious consequences‚ costing money and even lives. The human and financial consequences of wrong decisions based on poor measurement being taken in matters as important as environmental change and pollution are almost incalculable. It is important therefore to have reliable and accurate measurements which are agreed and accepted by the relevant authorities worldwide. Metrologists are therefore continuously
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LABORATORY REPORT (Click on the Save a Copy button on the panel above to save your report) Activity: Name: Instructor: Date: Enzyme Activity cheryl yelton November 30‚ 2014 Predictions 1. Sucrase will have the greatest activity at pH 6 2. Sucrase will have the greatest activity at 40 °C (104 °F) 3. Sucrase activity increases with increasing sucrose concentration. Materials and Methods Effect of pH on Enzyme Activity. 1. Dependent Variable. amount of product (glucose and fructose) produced 2.
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GENERAL CHEMISTRY Laboratory Guide This module provides a laboratory guidelines‚ safety declaration form‚ Lab Report guidelines and Laboratory manual for subject of General Chemistry (CLD 10004). Mohd Zulkhairi Abdul Rahim Laboratory Information Before each lab session‚ you should prepare by reading the lab manual and the textbook required reading. We expect you to have a good understanding of the purpose‚ details of the procedure‚ the use of all chemicals and any significant hazards
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3‚ SUMMER 2000 Comparison between TG-51 and TG-21: Calibration of photon and electron beams in water using cylindrical chambers S. H. Cho‚a) J. R. Lowenstein‚b) P. A. Balter‚c) N. H. Wells‚d) and W. F. Hansone) Department of Radiation Physics‚ The University of Texas M.D. Anderson Cancer Center‚ 1515 Holcombe Boulevard‚ Box 547‚ Houston‚ Texas 77030 ͑Received 31 March 2000; accepted for publication 8 June 2000͒ A new calibration protocol‚ developed by the AAPM Task Group 51 ͑TG-51͒ to
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Paige Fredericks Jessica Weydert Jessie Joachim 12/12/12 450º Cone Definition of a Straight Line: A straight line possesses reflection symmetry across itself and half-turn symmetry. Postulates: 1. To draw a straight line from any point to any point. Postulate 1 is false because it does not follow our definition of a straight line. We started off by drawing random points on the cone to determine which points we can or cannot connect to create a straight line based off our definition.
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Soil Mechanics CE 32002 Oedometer Laboratory Testing Report (Consolidation) Group 13 Jordan Lowth Edwin Mwombeki Girven Venyen Division of Civil Engineering University of Dundee School of Engineering‚ Physics and Mathematics University of Dundee Table of Contents Contents 1.0 INTRODUCTION 3 2.0 AIM 4 3.0 METHODOLOGY 4 3.1 Apparatus 4 3.2 Setup 4 3.3 Procedure 5 3.4 Precautions 5 4.0 RESULTS/CALCULATIONS 6 5.0 DISCUSSION 6
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Experiment 6: Relative Density Laboratory Report Jessica Manansala‚ Nathaniel Martinez‚ Maria Pacia‚ Jeanelle Pedrigal‚ Miguel Poblete Department of Math and Physics College of Science‚ University of Santo Tomas España‚ Manila Philippines Abstract The experiment would introduce us to 3 concepts‚ namely‚ the definition of relative density‚ the Archimedes principle and the determination of density by the Archimedes principle. In the first activity‚ we were tasked with finding the density
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