Note: 1. A: Measurement of pH of Salt Solutions Put about 25 mL of each solution in a plastic beaker and measure its pH. LABORATORY SAFETY MEASUREMENTS . Aim: The objective of this experiment is to find out the accurate mass of a solid and to calculate the moles of an unknown. The Lab activity also helps me in demonstrating the physical instruments used in the lab. Question: Experiment 2- Measurement and Density Lab Report Report all answers with three significant figures and include units in cations Conversions within m 1. This physical property is often used to identify and classify substances. We will do this by measuring the mass and the diameter of a steel sphere. Version 42-0165-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The data. B. SCIENCE Density Calculate density, and identify substances using a density chart. EXPERIMENT MEAS-2: Simple Measurements 1 Introduction This laboratory exercise will be performed over two consecutive weeks. 1. Introduction to Measurement . This experiment has further explained how Bernoulli's and Steady-Flow Energy principles are useful in understanding fluid flow. Lab reports are subject to all the rules governing academic honesty. When the ratio . Objective: Scientists use Planck's constant (h) frequently. Speaker at one end of pipe which is driven by an audio amplifier. 10. 6. with your lab report. University. Always wear shoes before entering lab. Hire Us for your Lab Report Writing. The sine bar is used to find the desired height for a specific angle. To understand the basics of AC (alternating current) circuits. Queensborough Community College; Course. Transcribed image text: QUESTION 1 Lab. Values of Thickness 2. 1. Using the equations, = m/V V = (4r^3)/3 = (/6)d^3, . 2 Laboratory Software Consult the lab manual for details on con guring the software. CHM130 pH and Buffer lab pH Measurements and Buffer Laboratory Introduction: pH is a measure of the acidity of an aqueous solution. Since each lab group will turn in an electronic copy of the lab report, be sure to rename the lab report template file. Use an electric scale to measure mass to the nearest 1/100 of a gram. Tube 2 contains a capillary (7), a measuring sphere (8) and a pre-run sphere (9); it extends upward from the leveling bulb (6). Microphone at the other with output going in sound card for further processing. Repeat this process for your lab partner. The tools used during this experiment are the vernier caliper, micrometer, and sine bar (etc) The vernier caliper is used to find lengths, widths, heights, and diameters of objects.The micrometer is used to gather accurate data regarding angles and measurements. The Biuret method requires the solution being tested be mixed with a Biuret reagent and run . Velocity measurements in the top and bottom Experiment (4): Flow measurement Introduction: The flow measuring apparatus is used to familiarize the students with typical methods of flow measurement of an incompressible fluid and, at the same time demonstrate applications of the Bernoulli's equation. 3. Essay Sample Check Writing Quality. View Lab Report #1.pdf from PHYS 110 at Simmons College. lab report for first experiment called measurements (received perfect score) siron mani 1.31.19 measurements, propagation of error, and density objective the Method: Clamp the copper wire across the bench using the G clamp and the wooden blocks. you will provide 5 experimental descriptions, 5 graphs/graphical conclusions (where applicable) and 5 uncertainty conclusions for an . Using the equations, = m/V V = (4r^3)/3 = (/6)d^3, . Volume measured in 10 ml graduated cylinder 9.7 10.1 ? Published on May 20, 2021 by Pritha Bhandari.Revised on May 30, 2022. 1. Procedure (1): Lab Table If the dimensions of the object being measured are much larger than the precision of the measuring instrument (100 times or more), the instrument is considered very adequate for the measurement and will give fairly "precise" results. (2) in the lab manual). calibration of the regular Hg thermometer against the See 'Chapter 2, Getting started on your lab report. Understand the effect of decrease in area on the velocity and pressure of the flowing fluid. Version 42-0165-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. OH vitamin D determination with different commercially available kits: impact audience the clinical cut offs. to Measurement in the Physics Laboratory A probabilistic approach Version 3.5 2009 . Using the correct glassware for volume measurements Average Volume measured in 50 ml beaker 11 mL 13 mL 10 ml ? Use the blue tag to act as a marker for the convenience of the measurement. fOBJECTIVES The main objectives for this experiment are as below:- 1. GOALS: In this lab you will learn how to measure DC voltages, DC currents, and electrical resistance. Ph Measurement Lab Report Pages: 5 (1341 words) Density Of Water Experiment Lab Report Pages: 2 (467 words) Density Lab Report Chemistry Pages: 4 (1134 words) Beverage Density Lab Pages: 3 (820 words) Employee Motivation From Performance Measurement And Compensation System Management Essay Pages: 9 (2414 words) Soil Ph Measurement Pages: 3 (872 . ME379 Lab Report example . A venturi meter allows the flow rate in a pipe to be determined from a pressure differential. It is related to the concentration of hydrogen ion, H+. A lab report is required to test what students whether chemistry students or biology students had learned in the course of an experiment. 2. View Lab Report #1.pdf from PHYS 110 at Simmons College. ES 3 Laboratory #1 Page 1 of 18 ES 3: Introduction to Electrical Systems Laboratory 1: DC Measurements I. Objective. 4. (A good way to do this is to tap your foot, trying to establish a 1 second rhythm.) Density is a measure of the amount of mass in a certain volume. A weir is a barrier across the width of a river or stream that alters the characteristics of the flow and usually results in a change in the height of the water level. Here are a few tips for using the DMM. Conclusion. You will create an Excel spreadsheet to graph data and use the "trend line" feature to find the best fit line to experimental data. Lab reports can vary in length and format. Resonance must occur at f=(n*v)/(2*L) Where, f is frequency of wave n is number of harmonic v is velocity of sound Prepare the water bath and put the heater in it. 2. For example: The time is 09:20:331. . This portion of the lab takes only a few minutes, . Estimate and record the measurement uncertainty in the mass and diameter of the spheres. Do not put your hands while the machine is in operation. The apparatus are: A long pipe for major head loss, Analysis: 1. For example the group at lab table #5 working on the Ideal Gas Law experiment would rename their template file as "5 Gas Law.doc". Record all measurements in table 1.1. 0.1 cm (= 1 mm). 3 4. Defined by the Greek letter , read as rho, density is a The aim of this experiment is to measure the Young modules of copper wire. Length = mm Divide the centimeter measurement obtained by five inches to obtain the cm to inch ratio. The calculated volume of the water is close to the expected calculation of 1g/mL. Title : Accurate Measurement of Mass and Volume. 2. 2. References The venture meter with 5.08cm diameter is used to measure the total flow rate, the other two are kept closed. First connect the DMM input connector (red probe) to 1000V/600V input, and select DCV or ACV. 3. Next, estimate a one minute interval. if you are trying to build on or replicate The Precision of an experiment is a measure of how exactly the result is determined. The objective of this laboratory experiment was to demonstrate Poiseuille's law and use the . Temperature Lab: Experimental Measurement of Temperature Precalculations Score (for instructor or TA use only): . The main purpose of a lab report is to demonstrate your understanding of the scientific method by performing and evaluating a hands-on lab experiment. with a buffer solution of know pH in the range where you will be making your measurements. Summary of background information and the objective which you hope to achieve. 5. During the rst . Turn on the furnace then, increase the temperature gradually in the hot water bath and take the reading after 5 C (in the thermometer) for both the resistance () and thermocouple (mv), 3. Use a micrometer to make measurements nearest 10-6 meters using a micrometer. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment.. Sample lab report.doc Physics 215 - Experiment 1 Measurement, Random Error & Error analysis them in your laboratory report. From a separate measurement of the block's mass, you'll then calculate the density of aluminum. In the experimental section of this lab, you will use a Vernier caliper to estimate the volume of material in a hollow block of aluminum. This experiment was used to determine the accuracy and precision of different volumetric measuring devices, as well as determining the . Report for Experiment #1 Measurement Anushka Sharma Lab Partner: Amanda Joy TA: Sudip Timilsina 4 February 2022 Abstract This experiment This type of assignment is usually shorter than a research paper. This text often makes reference to a sample lab report titled The Measurement of the Gravitation Acceleration \g". In this experiment, you make will measure the emission wavelength and -on voltageturns of several -emitting diodes (light LEDs) in order to Chem 119: General Chemistry I Laboratory 2 Texas A&M Chemistry 2 Table 1. Estimate a 30 second time interval while your lab partner uses the stopwatch to time you. Group Lab Report Score (For instructor or TA use only): Lab experiment and results, plots, tables, etc. Engineering: Lab report. Optical pyrometer experiment 1. From a separate measurement of the block's mass, you'll then calculate the density of aluminum. Procedure Part A. Estimation of Fundamental Quantities Time 1. To use an oscilloscope to display and record a waveform. To use an oscilloscope to measure frequency, period, voltage (magnitude, peak-to-peak, maximum, minimum, and etc), DC offset, etc, of the waveform. The science of calorimetry is that the energy gained or lost by the water is equal to the energy lost or gained by the object. The Precision of an experiment is a measure of how exactly the result is determined. 3. (10) in the fluid reservoir. The top and bottom 5.08cm pipes are only used for measurements while the middle one is kept closed during the experiment. Lab #1: Measurement Uncertainties Experiment date: 30/01/2020 Instructor: Dr. Mac . Questions to address in the lab report 4.1 Sensor Calibrations and Total Uncertainty 4.1.1 From a linear regression analysis (Ttrue= aTHg + b), evaluate the accuracy of the regular Hg thermometer against the ASTM calibration, i.e. When the numerator and denominator are divided by the mass of the glider, this becomes a = (m 1 /m 2)g / (m 1 /m 2 + 1). Convert 2.56 kilometers to meters, then to centimeters I 17 Via: 2. Do not touch anything without the permission of instructor/lab assistant. . In calorimetry to find the amount of heat that was absorbed or released (q) by multiplying its mass (m), its . The purpose is to report what you did and what you learned from an experiment. Connect the 3-phase circuit as shown in gure 1.2. 2. The objectives of this experiment are to determine the protein concentrations of an unknown solution using the Biuret method of protein assay, and to learn how to use spectrophotometer in measuring the absorbance of different protein concentrations. Experiment #9: Flow Over Weirs. sample lab report that follows will help you. Questions to address in the lab report 4.1 Sensor Calibrations and Total Uncertainty 4.1.1 From a linear regression analysis (Ttrue= aTHg + b), evaluate the accuracy of the regular Hg thermometer against the ASTM calibration, i.e. . For example, we can say that the two measurement results 3.4 0.6 J and 3.7 0.4 J agree with each other, while the measurement In the lab, I have learned how to measure the length of different objects using different instruments and techniques. Lab report. For example, if the scale can read mass to m = 0:1g, then the uncertainty in a mass measurement using this scale is . Chem 110 Lab Report (This is what gets turned in next week) Name _____ Date _____ Lab Section _____ Initials_____ EXPERIMENT 1 Measurements A Length Length = cm What is this length in millimeters? The sample lab report can be found on pages 10- . Use the Bernoulli's equation to compare the behavior of ideal and real fluid. Introduction. Second, 19.520g/20mL=.976g/mL, indicating the density of the liquid. Ideally, a lab report begins with an introduction and ends with a conclusion. Yet, when students perform an experiment in the laboratory they often take 5 or fewer readings. Ruler Measure the diameter of a coin b) Determination of total head loss and loss coefficient of fluid flow through a 90 degree elbow. All densities were calculated by performing density = mass/volume. Use the template provided to prepare your lab report for this experiment. Principles Of Physics (PH 101) . No student should copy data from anyone who is not his or her lab partner. Lab 2 Measurements - Lab report. Understand the relationship between velocity and pressure of flowing fluid. The capillary restricts flow so that the . The calculated volume of the water is close to the expected calculation of 1g/mL. Measure all currents, voltages and power readings at same load settings of resistor load cart from step 5. The standard deviations for each parameter were similar (2.39, 1.15 and 1.53), implying the data had low dispersion. Report Sheet Experiment #2 Measurements and Density of Matter Part A. Height Frere: 6.9 - 6.7 -6.5 - 6.6, 5.9, 5.8, 5.5, 6.0, 5.1,5,1. None of the data should be eliminated. Lab 1: Measuring Planck's Constant Using LEDs Adapted from a lab procedure written by Martin Hackworth, University of Idaho . A calorimeter is a device that is used to measure the amount of heat transferred to or from an object. Aim of this experiment is to compare the behavior of ideal fluid and real fluid. Density Lab Report. Convert 11.7 ilters to militers, then to microliters 1 Your friend bought 1.32 kilogram of beet. Measurements and Conversions. 3- Report any damage of pendulum string to your lab instructor. Uncertainties of instruments in the lab: Instrument Uncertainty Digital analytical balance 0.0001 g Top-loading digital balance 0.01 g 25 mL graduated cylinder 0.3 mL 50 mL buret 0.05 mL 25 mL volumetric flask 0.08 mL 25 mL volumetric pipet 0.03 mL When doing mass measurements, it is important that the . A good rule of thumb for doing this is to take the smallest value that an instrument can read and divide it by 2. whole experiment, i.e. Physics laboratory experience in this uncertainty, and measurement uncertainty lab report conclusion is increasing in practice mindfulness, a single cd case you will help revolutionise how would amount. For example 47.278g/1mL=47.278g/mL, which indicates the density of the solid. Precision and Accuracy Lab Report. Using a meter stick, measure the length and the width of the lab table and Use the venture meter apparatus to study the effect of area of the flow velocity and fluid pressure. To use a digital multimeter to measure AC voltage and current. Report. LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess's Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate; LAB 11 (Weeks 13 & 14) Spectrochemistry For example 47.278g/1mL=47.278g/mL, which indicates the density of the solid. 1. Turn down the variac and shut the power off. Each table of measurements in your lab report must be accompanied by the least count of the instrument used to make the measurement. orally or in the form of a written report. Lab report distance is measured in meters centimeters (cm), or millimeters (mm). Include references to previous published studies where necessary (e.g. Essay on Lab Report on Density Measurement Introduction 1. Whatever branch of engineering you are studying, many of your labs and lab based assignments will require a written report. The Lab Report Assistant is simply a summary of the experiment's questions, diagrams if needed, and data tables that should be addressed in a formal lab report. 3 4. tension in the string (see Eq. Raise the line voltage to 120 Volts (phase voltage of 69.3V). experiment we are going to find the distance in . Over the three trials, the MAP was 83.44 mmHg, which is within the normal range. 5.2 Procedure: 1. (4)) provides the following relation between the acceleration of the system and the hanging mass: a = m 1g/(m 1 + m 2). 9. A venturi narrows the diameter of the pipe for a short duration, converting pressure head to velocity head. Ensure the lab assistant supervises any change made in the experimental procedure or design before undertaking any experiment. Laboratory Techniques and Measurements Peter Jeschofnig, Ph.D. Furthermore, there is no logical way to model The objectives of this experiment are. Objectives. (20 or 30). The main purpose of a lab report is to demonstrate your understanding of the scientific method by performing and evaluating a hands-on lab experiment. Aims, Method, Results, and Conclusion. 0.1 M NH4C2H3O4 and 0.1 M NaHCO3. Voltage is measured by placing the DMM in parallel with the device under test (DUT) on which the voltage is to be measured, as shown in Figure 1 - 4 (a).

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