Experiment 3 PART B. We ran this experiment twice to compare the results. and why A) HCl B) NaNO3 C) 13/09/2022, 16:56 /Type /Stream a) Calculatethe energy. In the boiling water, place the unknown metal sample inside for about 30 min. The reliability of the experiment was high as most groups in the class results were consistent. chemistry 60. the hw is done the website called aleks. Open Document. We will also need to know what specific heat is. Thus, we eat and combust food to release its heat energy in our bodies. 4 0 obj Wash hands after the experiment We are so pleased that you are joining us on our adventure into online learning! lab calorimetry and specific heat lab report edgenuity. The accepted value for the specific heat of aluminum is 0.90 J/g* C. Use the highest temperature. While waiting on the water and the metal to achieve the same thermal equilibrium, get a coffee cup and measure its mass. Lab 4 - Calorimetry - WebAssign. The atoms are always moving they all have kinetic energy. These can only be seen with special microscopes. Open Document. Part B and C were the same, only using two different types of magnesium (magnesium ribbon (part B) and magnesium oxide (part c)) instead of the boiling water. Question: Lab 9: Determination of the Specific Heat of a Metal Report Form Collected Data Trial 1 Trial 2 Unknown metal code: . 1. -discussion of the results/data, including the identity of the metal, the accuracy [FREE] Calorimetry And Specific Heat Lab Report Answers Edgenuity | updated! SC-Chemistry SC Academic . Temperature is a measure of the average kinetic energy of the particles in a body. The cp , specific heat, of the metal was then calculated. pdf, Applying the Scientific Method - Pillbug Experiment, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Test-tube holder CustomerSupport@edgenuity.com 1-877-202-0338 imaginelearning.com . In that case it can be determined by measuring the temperature change T for the contents of the calorimeter and using their specific heat - the heat required to raise the temperature of 1 gram of the substance by 1C. Temperature is independent of number of particles in. Abstract: In this experiment, the specific heat and the density of an unknown metal was determined in order to identify the unknown metal. The metal was then transferred into a calorimeter where the temperature was measured. Hi fellow History tutors! Through these calculations, we determined that the heat transferred to the calorimeter water from the hot metal was 595.65J (6.0x10J with proper significant figures). Mass of empty calorimeter 20.282 20.2828 Mass of calorimeter plus water 61.3478 71.120 g Mass of metal 38.290 g 39.203.8 Initial temperature of water 193 19.7C Initial temperature of metal 99.79 98.5 C Final temp . Q w = c w m w (T peak - T initial) w = -Q s = c s m s (T peak - T initial) s. The formula can then be rearranged for determining the specific heat of the sample. Heat of Solution Mass of calorimeter + water B Mass of solid + plastic packet 8 Mass of plastic packet 8 Mass of water, 04 Mass of solid compound Initial temperature of calorimeter C Final temperature of calorimeter "C 9. The average specific heat of the unknown metal was 0.197C and was determined using a calorimeter. Radiation by means of physics related terms is defined as the emission or transmission of energy in the form of waves or particles through a. You should also replace all the fake Latin text with your own words (in English, of course). Cooling it down decreases the amount of kinetic energy and slows the movement down. Heat: The amount of energy associated with the movement of atoms and molecules in matter. 2. To determine the heat of neutralization for a strong acid-strong base reaction. Calorimetry Lab Report o PART A. 669 Mass of wate) 8 62.162 Mass of metal 8 8 62.178 -18.252 -13.236 Initial temp. 14 Calorimetry for Determination of Specific Heat Capacity Calorimetry for Determination of Specific Heat Capacity. Based off of the calculations, the obscure metal number one is zinc. https://www.studypool.com/documents/1511111/calorimetry-and-specific-heat-lab-reportread more. This one should help you a lot more. Finally, when cutting the top for the calorimeter, use caution with scissors. By comparing the data with the accepted heat capacities of various metals, the composition of the unknown samples was identified. Assume the intial temperature of the metal was the same as the temperature of the water it was boiled in., We, human needs energy to live and for movements. Gently swirl the Our best tutors earn over $7,500 each month! of the Rank the three substances in order of their specific heat capacities, from highest to lowest. 1245 Words. Record the temperature of the boiling water on the hot plate with the metal and then record the temperature of the water in the coffee cup before adding the metal. title. TITLE OF LAB (Calorimetry and specific heat)YOUR CLASS (Chemistry in the Earth System A). This is because Enthalpy equals heat plus work (H= E+W). The addition of hydrofluoric acid and __________ to water produces a buffer solu. What was the temperature change for the metal sample (Tmetal)? We added the magnetic stirrer to the calorimeter and turned on the stirrer to a slow stirring rate. endobj dstibor@staff.nlmusd.orgPlease go to File Make a Copy and then rename with your name in the title. Lab: Calorimetry and Specific Heat: Student Document: Lab: Enthalpy: Student Document: Lab: Mechanical Equivalent of Heat . plate un"l it boils. Use the data from your experiment for the metal in your calculation., 1. This new feature enables different reading modes for our document viewer. The reason is because it takes more energy to increase the kinetic energy of hydrogen-bonded water molecules than it does for substances in which the dominant intermolecular interaction is the much weaker van der Waals force. One Calorie is equal to 4,184 Joules. William Arndt. According to the standard deviation equation, 5.15 x was the amount of variation that existed. The purpose was also to use concepts of specific heat to observe the relationship between temperature observations and heat transfer. 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When heat is added to a substance, the kinetic energy of individual particles increases, which makes them move faster resulting in a increase in temperature. This lab includes three burning tests of different foods with different energy contents. We measured out 50.0mL of chilled deionized water into a graduated cylinder. You must show all your working. 2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(l). The specific heat capacity of the first metal was determined to be . Calorimetry Lab Report o PART A. And cut a small hole in the center of the lid to hold the. There may be more than one value. In the world of physics, the term conduction is usually defined as a form of heat transfer by the way of molecular tension inside an object or material that does not show any individual motion in its entirety (Georgia State University). In this experiment, the heat capacity is determined by measuring the change in temperature of the cold water when a hot metal (that does not react with the water) is placed in it. 23rd May 2016. When you're done, you can save as a PDF to upload to Edgenuity or. Specific heat values are also commonly given in cal/gC, where 1 calorie=4.184 Joules. In this experiment, the specific heat and the density of an unknown metal was determined in order to identify the unknown metal. This lab is designed to align with AAOT science outcome #1: Gather, comprehend, and communicate scientific and technical information in order to explore ideas, models, and solutions and generate further questions. Fun Fits For Kids. of water in calorimeter "C Initial temp. Would you like to help your fellow students? shotty's jello shots vegan; stephanie cartel crew before surgery; what does not retained mean on job application; new restaurants coming to jacksonville nc 2022 Subtract to find temperature changes for the water and metal. Use some rationale to determine which is value to use as the DHf of H2O. Question How can you determine the specific heat of a metal using a calorimeter? The page should say something along the lines of please Please i need it Lab: Calorimetry and Specific Heat. The device used to measure calorimetry is a calorimeter. Listen To determine the quantity and direction of heat flow for the dissolution of salt., The experiment results fell a little out of range of the class average. The computer continued to take data for 6 minutes and then the calorimeter was reweighed and emptied. The purpose of this experiment was to determine the heat of combustion of magnesium using Hesss Law. The energy of the water molecules decreases.b. 0 Your courses contain standards-based instruction with lessons from expert, on-screen teachers and multimedia tools and resources. , this data to write a balanced equation for the reaction. Replace all red text with your own words and then change text to black. 3. . 11/13/13. The temperature of the water before the metal was placed in was 21 degrees Celsius and then when the metal was heated up for 10 minutes the temperature went up to 28 degrees Celsius. I need the attached file to be completed. - Calorimetry. Part A of this experiment used two dry Styrofoam cups and a magnetic stir bar to create a calorimeter. https://www.studocu.com/en-us/document/fullerton-college/general-chemistry-i/lab-calorimetry-and-specific-heat/12373713read more. As the condition of the experiments was kept the same for the groups, the experiment had a high, We rinsed all glassware three times with deionized water then we chilled 200mL of deionized water with ice and heated 200mL of deionized water on a hot plate. Then pour about 50mL of water into a coffee cup, measure the mass of the water and the coffee cup and then determine the mass of the water alone (mass of water and coffee cup mass of coffee cup). The temperature of the water before the metal was placed was 20 degrees Celsius, when we put the hot metal into the water and stirred it with the stirring rod it was 29 degrees Celsius, the change of the temperature after the metal was placed was 9 degrees. Post question. The average specific heat of the unknown metal was 0.197C and was determined using a calorimeter. Then, use the equations to see the relationship between change in energy and the amount of substance involved. Evaluating error: Which of these equations represents the law of conservation of energy? Set up 600 mL beaker and add 400 mL of dis"lled water inside and place it on a hot Good luck. c s = c w m w T w / m s T . To use calorimetry results to calculate the specific heat of an unknown metal. 10 mL graduated cylinder We subtracted them two and we got the mass of water was 49.176g. Create three research questions that would be appropriate for a historical analysis essay, keeping in mind the characteristics of a critical r, Carbon Cycle Simulation and Exploration Virtual Gizmos - 3208158, 1.1 Functions and Continuity full solutions. You will not be able to type into the document until you save your own. lab calorimetry and specific heat lab report edgenuity Also for part A with our metal sample, heat from the metal was given up to the room temperature water solution. Explore how heating and cooling iron, brick, water, and olive oil adds or removes energy. stream J AH.. J Molar mass of solid compound g/mol J'mol AH per mole of solid The dissolution reaction is Unknown solid number Show your calculations in the space below. For example, the unknown metal may not have set in the water bath long enough to reach the same temperature as the water causing inaccurate results when reading temperature. Scenario You work for a company that wants to make cookware. All matter is made up of tiny particles called atoms. 4. All three participants are all flammable. Enter the email address associated with your account, and we will email you a link to reset your password. This lab is designed to align with AAOT science outcome #1: Gather, comprehend, and communicate scientific and technical information in order to explore ideas, To use calorimetry results to calculate the specific heat of an unknown metal. This experiment was significant in understanding how heat can be absorbed or released and how using a calorimeter can help measure heat flow. The reaction is done twice, once to measure the heat of the reaction and again to determine the work done in the system. Also set up 2 dry Styrofoam cups with a lid aside and add 100 mL ClassZone. lab calorimetry and specific heat lab report edgenuity Posted by June 22, 2022 voulez vous coucher avec moi ce soir on lab calorimetry and specific heat lab report edgenuity The unit cell edge is 408.7 pm. 12, copper, iron, and lead powder 669 Mass of. What happens 1. Calculate your percent error. 13 balance. These experiments lead to reliable results, which in turn determined that the unknown metal was. In this experiment, we will determine how much heat energy released when we eat snack foods such as popcorn or potato chips. The energy of the water molecules increases. Commercial solution calorimeters are also available. We added the heated, Using the formula qmetal = m c T, calculate the specific heat of the metal. Assignment: Response Mechanism of Invertebrate In our physical world, there are a multitude of phenomenon that occur daily that we experience that often go unnoticed. (Adobe) You can find the enthalpy of formation of water in the NIST database here. Different states of matter have different amounts of space. - The purpose of the lab was to explore how the specific heat of a substance can be determined - How can you determine the specific heat of a metal . Calculate the energy Calculate the wavelength. There is no specific way I need this done as long as it is completed and eligible to read. As a result, water gains or loses much more heat than other common substances while undergoing an equal temperature change. In the second experiment we found that the mass of the calorimeter and water with 50mls was 100.033g and the empty calorimeter was 50.857g. Thanks! digital device with spreadsheet program The particles have space between them. Lab: Calorimetry and Specific Heat Assignment, Thermochemical Equations assignment and quiz, Content Ch 05 Video: Children and Nutrition. The accuracy could have been improved by using digital thermometers and more accurate measuring cylinders and scales. We began by choosing a sample of metal, finding its mass, and describing it. Experiment 6 Calorimetry 62 Experiment 6 Calorimetry Mathematical development The calorimeter constant Ccal Calorimetry is the science of measuring the quantities of heat released or absorbed during a chemical reaction. The general defined term of convection is the heat transfer by mass motion of a fluid such as air or water when the heated fluid is caused to move away from the source of heat, carrying energy with it (Georgia State University). [ Given: Specific heat of water = 4200 Jkg -1 K -1 , Specific. 4 0 obj We heated the 300ml of water to a boil, then placed the metal that was in a tube and waited 10 minutes before we took it out. Pure water has high specific heat capacity that is exactly 1 calorie per gram, whereas other common substances have much lower specific heats. We found the temperature of our boiling water. The page should say something along the lines of please Please i need it Lab: Calorimetry and Specific Heat. 1. Table 1. Username is too similar to your e-mail address. Post a Question. aluminum, iron, copper, or lead is best to use to make pots and pans. The answers to the Lab: Calorimetry and Specific Heat step3: aluminum- 11.98 copper-12.14 iron- 12.31 lead- Get the answers you need, now! It is defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius. tap water (calorimeter water) inside. Here are the data for it: Reaction 1 Reaction 2 T(initial)T(final)mass of calorimeter (g)mass of MgOT(initial)T(final)mass of calorimeter (g)mass of MgH1H2H3H4Actual DH423.231.6105.6291.00423.543.8100.9740.503-147.758-409.321-285.83-547.393-601.83. Adding heat (energy) to matter makes the particles move more quickly. Experts are tested by Chegg as specialists in their subject area. This site is using cookies under cookie policy . This solution was also an exothermic reaction. Reminder: H of reaction is reported in units of kJ/mol.Reaction 3 is the formation of liquid water. Use your data, the equation below, and the specific heat of water (4 J/gC) to compute the Find it Fast! 165.934 115. Stuck on a homework question? Use the next page if necessary. The change in heat can tell us if the reaction is either exothermic - it released or heat into surroundings, or endothermic - it absorbed heat from surroundings. Once the mass of the unknown metal is recorded, put the metal into the boiling water. though, weigh it accurately and record the mass on your data sheet. The measure of heat capacity, or the quantity of heat needed to raise the temperature of one gram of a substance by one degree Celsius, is termed specific heat and is represented by the symbol s, Cp, c. The SI units for specific heat are given in J/gC. I found the specific heat capacity of my unknown metal in my textbook on page 260 because no metals in the chart matched the calculation I got., Aim: By adding 40cm3 of 1.0M of hydrochloric acid (HCl) to 40cm3 of 1.0M of sodium hydroxide (NaCl) of known temperature in different calorimeters (glass, styrofoam or copper), this experiment will measure temperature change of the solution with time and hence deduce which calorimeter is best, What mass of nitric oxide, NO, is present in a 2.5 L flask at a pressure of 100 kPa and 0C?, To determine the specific heat of an unknown metal through the use of a calorimeter., Heat of capacity of the calorimeter: "Cp" must be calculated at the beginning of every calorimeter experiment in Joules/ C, I. How do we define the system and surroundings in this experiment and how does this definition introduce error in our measurement?Calculate H of reaction for reactions 1 and 2. Use scientific instruments to record measurement data in appropriate metric units that reflect . calorimeter with a thermometer inserted through the hole in the lid. Use You will not be able to type into the document until you save your own copy. You want to know which metal - aluminum, iron, copper, or lead - is best to use to make pots and pans. Scroll down to condensed phase thermochemistry data and find the value for DHf of liquid water. We measured and recorded the mass of the empty calorimeter, and then we added the 50.0mL of chilled deionized water and recorded the mass of the calorimeter with the chilled deionized water. endobj Using specific heat of water and the mass of water being used, we can express the above more informatively. The addition of hydrofluoric acid and __________ to water produces a buffer solution. out of For the electronic transition from n = 3 to n = 5 in the hydrogen atom. In this lab we are measuring the amount of energy that is contained in various snack foods. Specific Heat Capacity of a Metal Trial 1 Trial 2 Mass of stoppered test tube + netal 8 B Mass of stoppered test tube 8 Mass of calorimeter B 165.791 115.640 Mass of calorimeter + water R 62.162 42.170 18.236 8 18.252 115.640 8 115.669 165.147 8165.934 so.151 8 50.265 43.926 43. . Specific Heat Capacity of a Metal Trial 1 Trial 2 Mass of stoppered test tube + netal 8 B Mass of stoppered test tube 8 Mass of calorimeter B 165.791 115.640 Mass of calorimeter + water R 62.162 42.170 18.236 8 18.252 115.640 8 115.669 165.147 8165.934 so.151 8 50.265 43.926 43.926 21.0 C 21.0 99.) Calorimetry is the science associated with determining the changes in energy of a system by measuring the heat exchanged with the surroundings(Calorimeters and Calorimetry). Use Hess law to determine the change in energy. The density of the unknown metal was 6.57 g/mL and was determined using a cylinder and displacement. q = mcT. a. Based on the calorimetry and specific heat of the metal, Lead would be the best choice to build the companys cookware with. Some were variable and some were constant. 2 0 obj Edgenuity has created an inviting, interactive learning environment to help guide you toward academic success and recover credits to help you graduate more quickly. temperature of the tap water. Chemistry questions and answers. T = T final T initial. compute the specific heats of each metal. Then measure the mass of each metal after using the tare. Calorimetry is the science of measuring the change in heat absorbed or released during a chemical reaction. Lab: Calorimetry and Specific Heat Lab: Reaction Rate Lab: Measuring pH Lab: Titration Lab: Electrolysis Lab: Identifying Nutrients PS-1.3. One of the regions where it is most pr Quantitative Application of Fluvial Geomorphology: Preliminary Analogue Study from Modern Mahakam Ri. When energy in the form of heat , , is added to a material, the temperature of the material rises. Specific Heat Capacity Lab Report. >> Use the CHART butt 1. Please note that I will not be bringing up the price or the deadline of this question, so be sure not to suggest it. Place a metal in the water and record changes every 60 seconds for 300 seconds. x`T?>sllBn$7 $ "f$^""`DE7"Z."*E/VV Zssy3sy B-snCXBIKD;J>P e(Rz!kkW7a3d8Hi#Pqh[E'm2;^4YR(op.mrEHn}=k)wBD .5@EvW7"-nrY%5BB9]%C.w=Vo]pv|Pu=fJQZ?Lz?|!/?D5~sjU' 44[!|B$< Our verified tutors can answer all questions, from basic math to advanced rocket science! The amount of heat that flows in or out b) Calculate the wavelength (in nm). Since faster moving things have more kinetic energy, adding heat increases the energy of the particle. Specific Heat Capacity of a Metal Trial 1 Trial 2 Mass of stoppered test tube + netal 8 B Mass of stoppered test tube 8 Mass of calorimeter B 165.791 115.640 Mass of calorimeter + water R 62.162 42.170 18.236 8 18.252 115.640 8 115.669 165.147 8165.934 so.151 8 50.265 43.926 43.926 21.0 C 21.0 99.) Annalese Decator 2/13/21 CALORIMETRY AND SPECIFIC HEAT PROBLEM: Explore how the specific heat of a substance can be determined using a "coffee cup" calorimeter. We found the mass of the water by subtracting the mass of the empty calorimeter which was 49.987g and the mass of the calorimeter with water which was 87.332g and got the mass of just the water 37.345g. The handwritten data from the lab are included in Appendix A: Raw Data. Tomatoes to 100 Celsius in a hot water bath. Then, we calculated the volume and temperature of the water in our calorimeter before and after the experiment. These are the countries currently available for verification, with more to come! This is on the account that the specific heat of the unknown metal was, In the lab Which Is Your Metal, we attempted to identify an unknown metal by determining its specific heat capacity. The calorimeter is the device used to measure the quantity of heat transferred to or from an object. T water. After gathering your materials put together the Coffee Cup Calorimeter by placing one cup in, the other and putting hole in the lid. How can the specific heat of a metal be, found using a calorimeter? Specific heat values are also commonly given in cal/gC, where 1 calorie=4.184 Joules. Questions are posted anonymously and can be made 100% private. (Identity) The purpose of this lab was to find the specific heat of something that can, be set on using a calorimeter. We then measured out 50.0mL of heated deionized water into a graduated cylinder and placed a temperature probe in the graduated cylinder. The purpose of the lab was to explore how the specific heat of a substance can be determined using a coffee cup calorimeter. If a metal has a low specific heat, then the metal could make an excellent material for cookware because it takes less heat to raise the temperature of the metal to cook food. P31220 lab 1 Calorimetry Lab Purpose: Students . << Apply to become a tutor on Studypool! The amount of thermal energy in a substance is affected by the amount of particles that are in it. 3. After 30 min, take the temperature of boiling water to the nearest 0 C (Ini"al temp https://www.webassign.net/question_assets/ncsugenchem202labv1/lab_4/manual.htmlread more. Abstract. 3. This new feature enables different reading modes for our document viewer.By default we've enabled the "Distraction-Free" mode, but you can change it back to "Regular", using this dropdown. :), For the electronic transition from n=2 to n=4 in the hydrogen atom. Differences existed in the mathematical calculation of the actual length. Which Ecosystem Is More Diverse Worksheets, ~~~..ILL -JL!.,1J LL..i:: ;. In calorimetry to find the amount of heat that was absorbed or released (q) by multiplying its mass (m), its . The specific heat capacity of the two unknown metals were determined by measuring the transfer of heat from the metal to water, through the use of a calorimeter. Although we had an accurate result, better temperature could have been measured better using an electronic thermostat. /Filter /FlateDecode Materials. Lesson 8 Faults, Plate Boundaries, and Earthquakes, Copy Of Magnetism Notes For Physics Academy Lab of Magnetism For 11th Grade, Chapter 02 Human Resource Strategy and Planning, Week 1 short reply - question 6 If you had to write a paper on Title IX, what would you like to know more about? These three different foods with different measurement of energy contents that participated in this lab are potato chips, popcorns, and raw pasta noodle. 35 P31220 lab 1 Calorimetry Lab Purpose: Students will measure latent heat and specific heat. C 8 - Calorimetry Trial 1 Trial 2 ATT-T. "C 4 J - J J Approximate molar mass (MM) of metal Unknown number #1 Show your calculations in the space below. The following data was obtained from a calorimeter experiment: The specific heat of beryllium is _____ J/gC 0.124 0.549 1.82 9.61 9520, The lab procedure involves several factors, listed below. The experimental enthalpy of reaction 4 can then be found using Hess Law and the enthalpies of reactions 1-3. We specialize in online courses, instructional services, and more. **Do not forget to hand this in before leaving class! The specific heat is a valuable piece of information. Calorimetry Lab Report o PART A. Using a piece of cardboard to cover the top of the calorimeter, record the temperature of the water in the calorimeter. Ecommerce; progress residential early lease termination. Then measure the mass of the water and reassemble, the calorimeter. Use the string attached to the metal to transfer the metal from the hot water bath to the calorimeter. The following data was obtained from a calorimeter experiment: The specific heat of beryllium is _____ J/gC 0.124 0.549 1.82 9.61 9520, The lab procedure https://quizlet.com/468849384/lab-calorimetry-and-specific-heat-flash-cards/read more. Step 3: Put some water into a saucepan (this is separate to the water in the cup). The accepted value for reaction 4 (Note: DHcombustion of Mg is the same as DHf of MgO) can be found in this entry in the NIST database.6. What volume of O2(g), measured at 27 C and 743 torr, is consumed in the combustion of 12.50 L of C2H6(g), measured at STP? Use the CHART button to find an approximate CHM 151 College of the Canyons Week 15 Lewis Diagrams Molecular Geometry Worksheet. Finally. Before Navannah Jones 05/13/21 Chemistry Calorimetry and specific heat Purpose-The purpose of this lab was to find the specific heat of something that can be set on using a calorimeter. From the experiment, the specific heat is determined by https://www.academia.edu/49045191/PHY_400_LAB_REPORT_4read more, 4 feb 2022 A walkthrough of the LabFlow experiment entitled "Energy and Specific Heat", https://www.youtube.com/watch?v=E7DXPOhfu6kread more. Step 4: Once the water is boiling . of metal and water 26.4 C 26.6 C z 25 The purpose of this lab experiment is to measure the specific heat capacity of unknown metal samples and also to determine the latent heat of fusion of water. 1065 Words. The second equation is: Specific Heat of Aluminum = (Heat gained by water )/ (Mass of metal (g) T of metal (C)). The specific heat of water has the relatively high value of 4.184 J/gK. MATERIALS. 8 0 obj Using the short fiber optic cable, record the O-scope display of **Do not forget to hand this in before leaving class!
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