Specific Heat Of Metals Lab Report Conclusion

Also known as Heat Capacity, the specific heat is the amount of the Heat Per Unit mass required to raise the temperature by one degree Celsius. The specific heat is the amount of heat required to raise the temperature of 1 gram of a substance 1 degree Celsius. Find the heat capacity (Cp) of a calorimeter and contents (calibration). One of chemistry’s goals is to be able to transform any set of substances (the reactants) to another set of substances (the products) through a chemical reaction. The heat released in the combustion of naphthalene will be absorbed by the metal bomb and precisely 2. Students write a post-lab assignment in their note book (calculation section and conclusion/discussion section) and also complete a laboratory report form with additional experiment related questions and problems. Classically, "water of crystallization" refers to water that is found in the crystalline framework of a metal complex or a salt, which is not directly bonded to the metal cation. This is a physics lab that deals with calorimetry and how to do calorimetry. Don't forget to start your conclusion paragraph with an introductory sentence very briefly describing the objective(s) or purpose(s) of the lab. In this experiment we will neglect the heat absorbed by the Styrofoam container as it is negligible. You will find that the specific heat is sometimes given the symbol "s" and sometimes the symbol "c". To write a good lab conclusion in science, start with restating the lab experiment by describing the assignment. The laboratory is carried out in groups of two to three students in a 4-hour lab period and discussion questions and calculations are assigned with the laboratory write up. In situations where A and B values have not been determined (or the enduser does not utilize or specify them), such as occur in commercial or small industrial applications, the suggested technique to maximize transformer efficiency is to obtain the no-load and full-load loss values of a specific transformer, in watts. Samerah Mansha Aim. P31220 lab 2 Experiment 1: Specific heat of a metal A sample of metal (or anything else) is heated to 100°C (or other known temperature) in a bath of boiling water. After completing the lab and analyzing the data, you can complete. Calorimetry will be used to investigate specific heats of materials and the latent heat associated with a phase change. Discussion on Common Materials of Cookware. I do not believe we are the only people in history to do this lab right and everyone else is wrong. Flame tests are used to identify the presence of a relatively small number of metal ions in a compound. 5 °C, calculate the specific heat capacity of the metal and based on this value of capacity identify the metal by using the Handbook of Chemistry and Physics. However, if the metal atoms are some other metal that corrodes more slowly, like zinc or chromium, then the corrosion can actually be useful, because the oxide coat that forms from the reaction with these metals can prevent the bad type of corrosion. Specific heat capacity of an unknown metal * Then I measured and noted down the temperature of the water being heated as T2 which was also the temperature of the metal block and then I removed the metal block and immediately immersed it into the water in the calorimeter and straight away covered the calorimeter in order to avoid any heat loss to the atmosphere. See also tabulated values of specific heat of gases, food and foodstuff, metals and semimetals, common solids and other common substances as well as values of molar specific heat of common organic substances and inorganic substances. Identify the metal sample and explain why show your work. No hazardous chemicals are used. The temperature difference is the driving force for heat transfer, just as voltage difference for electrical current. So if one is an uncritical reader, writer, speaker, or listener, one is not a good reader, writer, speaker, or listener at all. Vernier technology has been a valuable asset to North Kansas City Schools as we have looked for ways to immerse students in the scientific discovery process and make connections … Vernier technology continually allows our students to engage with scientific experiences that have deep meaning and purpose. The specific heat of gold is therefore. Specific Heat Capacity of a Metal - Logger Pro 3. Why do we need a term that already defined a property for a substance (in your case,density) and now we’re comparing it to the density of another substance, and created a whole new term for it. Based on your data, which metal would you recommend for the manufacture of bikes, beach chairs, and swing sets-not to mention aircraft and medical equipment? Once you've recorded your results, you can draw a conclusion and identify the answer to the problem you stated at the beginning of your project. mass you will use to calculate heat of reaction, q. Did you know salt water can conduct electricity? Try building a small circuit with your child to test in fresh and salt water! As you build, your child will learn about conductivity and electricity in a hands-on way. Login to reply the answers Post; ferguson. Return or dispose of all materials according to the instructions given by your teacher. The specific heat is different at different temperatures but for purposes of this lab we will assume that it is in fact constant over the temperature range we will encounter. There are many possible causes of errors when doing the experiment on finding the specific heat capacity of specimens. In addition, C-reactive protein levels, which were consistently elevated for more than 6 years, decreased to. A lab report gives specific information about a test, experiment or research project that was completed in a lab. Let us note that if we know the specific heat capacity c of a substance of mass m, which is heated (cooled) by Δt, the heat Q supplied to (taken out of) the substance can be expressed as: \[Q\,=\,cm\Delta t,\tag{1}\]. This is a lab in which students are asked to find the empirical formula of the compound iron oxide. Not all metals are acutely toxic in small concentrations. where q is the heat transfer rate from the tube, m ˙ nf is the nanofluid mass flow rate in the tube, and C p,nf is the specific heat of nanofluid. Types of Soap. The specific heat is the amount of heat required to raise the temperature of a gram of the material by one degree Celsius. 2 Measurement of the Average Specific Heat of Aluminum in the Temperature Range 100 C to 20 C. In this experiment we will neglect the heat absorbed by the Styrofoam container as it is negligible. Specific Heat of Aluminum = (Heat gained by water )/(Mass of metal (g)× ΔT of metal (°C)). Specific heat, ratio of the quantity of heat required to raise the temperature of a body one degree to that required to raise the temperature of an equal mass of water one degree. potsused cookingoften made copperbottoms aluminumsides? You may need metals'specific heats, densities priceper pound. The metal sample will be heated to a high temperature then placed into a calorimeter containing a known quantity of water at a lower temperature. Electrons will absorb the heat energy from the flame and will “jump” to a higher energy level. graduated cylinder, stand and hot plate, 1000 ml beaker, paper towel, 3 objects (aluminum, steel and brass). The activator is a thin metal piece with ridges and a specially roughened surface. PURPOSE To determine the molar heat of fusion of ice. 3 kJ are released. The heat capacity of a substance can differ depending on what extensive variables are held constant, with the quantity being held constant usually being denoted with a subscript. Allow the system to cool to room temperature. View Jacob Olsufka’s profile on LinkedIn, the world's largest professional community. INTRODUCTION: To raise the temperature of a body from a given initial temperature T 1 to a final temperature T 2 requires a total quantity of heat which depends on the mass of the body, the specific heat of the material of which the body is composed, and the temperature difference. Procedure: Record all data in Data Table 1. • Lower thermal conductivity reduces heat losses. 8 Nov 2015 - 9 min - Uploaded by Sara MeadowsThis is an example of how you calculate the specific heat of a metal from calorimetry data. Water, for instance, has a specific. Define Objectives a calorimeter, Measure Changes in the temperature of in the calorimeter when metals are added. Transfer the filtrate to a 125 mL Erlenmeyer flask, heat it until it clears, then allow to cool slowly. To measure the acid-basic degree of a substance, you can use pH papers like litmus paper, indicators like phenolphthalein, and electronic pH meters. Choose the metal with the specific heat that is closest to your experimental value. The part may then undergo further manufacturing processes such as heat. Lab 4 - Calorimetry Purpose In Part B, you will identify an unknown metal by measuring its specific heat and comparing the result to values for metals of known identity. Experiment 10 Specific heat capacities of metals Purpose Measure the specific heat capacities of aluminum, steel and brass. It is the student’s responsibility to turn their lab report in to their own instructor on time or late points may be deducted from their lab report grade. Right HAND SIDE. substance into another substance. This means that it takes more energy to change the temperature of lead than of Aluminium. Normally I think of metals as being very hot and staying hot, but this experiment proved how metals actually cool very quickly. The heat gained by the water is equal to the heat lost by the metal. Cross-Sectional Area Dependence 1. Recall that changes in temperature are the same on the Celsius and Kelvin scales: ΔT is 20°Celsius, which is the same as 20 Kelvin. The unit calorie (cal) (lowercase "c") is defined by the heat capacity of. PHY12L - E302 - HEAT AND CALORIMETRY The experiment has 2 parts, the first part is for the specific heat of metal and the second part is the latent heat of fusion of ice. OBJECTIVES: a. SPECIFIC HEAT I. Reactions which absorb heat take heat from their surroundings, causing the surroundings to become cooler; such reactions are called endothermic (meaning heat goes in). A free online materials information resource with properties data on over 28,000 materials. Specific Heat Lab Conclusion In this lab, a piece of metal was first weighed, then suspended into a beaker of boiling water placed over a Bunsen burner for five minutes. The goal of the argumentation session is not to convince others that your argument is the best one; rather, the. Please finish the calculation and answer all the questions on the lab. In this experiment you will use calorimetry to determine the specific heat of a metal. Procedure: Part I. removal of the sample from the object;. According to that report [Farsalinos and Romagna, 2013], switching from smoking to EC use led to a reversal of the condition after 6 months. It was concluded that apart from certain specific examples such as silver, other metals, and organomercurials, plasmids were not normally responsible for the elevated levels of antiseptic or disinfectant resistance associated with certain species or strains. Weigh the mass of empty calorimeter, Fill the. In conclusion, I must have made a mistake in a reading while finding the calorimeter constant. ipment Calorimeter, thermometer #1 (0-100°C), thermometer #2 (0-50°C), triple beam (high) balance. Use it if you have a heavy beaker. This process is called Salting out of Soap. Technology needs are identified in two broad areas: 1) extending the range of existing technologies to enhance their economic feasibility and recovery efficiency, and 2) exploring new methods for waste heat recovery, especially for unconventional waste heat sources. Site 2 fish lives in summer, Spring, Winter and Autumn. Lab 2 Specific Heat: Abstract Basically in the lab we tried to find a unknown metal and identify it based on its specific heand and its density. In this lab this law is applying to all reactions and products, not only to the copper. Site 3 it live in Spring, Winter and Autmn. temperature. The specific heat of the unknown metal will be used to estimate its atomic mass. A metal capable of displacing another from a solution of one of its salts is said to be "more active" than the displaced metal. Title (top of 1st page) * A descriptive title * Your full name. Particles in thermal conductors allow heat to flow in and out of the material quickly. Get calorimeter cup. Once the specific heat is measured, that is enough to decipher what type of metal it is. How do I make an electromagnet? It is fairly easy to build an electromagnet. 2 Measurement of the Average Specific Heat of Aluminum in the Temperature Range 100 C to 20 C. Also remove the bottom portion which contains the metal clip. Dependent: The time Each one of them will take different timings to fall, because each metal will take a specific time to pass the heat from 1 particle to another. Once the calorimetry lab been performed long, it gives a report of bathhouse who acts paid. PART 1: Determining the Specific Heat Capacity for Unknown Metal #1. measure the specific heat of metals? Safety Precautions Pre-Lab 1. Fish dying in a lake, an ill child or a suspicious death all lead to investigations on the cause. •Heat Process •Heating to specific temperature. A physical property is any property of matter or energy that can be measured. Purpose: The purpose of this lab is to determine the identity of an unknown liquid by measuring its density, melting point, boiling point, and solubility in both water and alcohol, and then comparing the results to the values for known substances. edu is a platform for academics to share research papers. The process of measuring quantities of heat is called calorimetry. It is the lightest (least dense) solid ever made and the world's best heat insulating material. The law of conservation of mass states that in a closed system the mass of the system will stay constant overtime. It has now become the most debilitating public health issue in the dry zone of Sri Lanka. The temperature of the water in the beaker and the water placed in the calorimeter was recorded. Experiment 15: The. A reddish-brown coloration or precipitate indicates the presence of tyrosine residue. Purpose: The purpose of this lab is to determine the identity of an unknown liquid by measuring its density, melting point, boiling point, and solubility in both water and alcohol, and then comparing the results to the values for known substances. reactions and Hess' Law to determine the heat of formation for magnesium oxide (MgO). your physics experience, you decide to identify the metal by its specific heat capacity. Matter & Measurement: Calibrating a Thermometer - Lab needs: Title, data, calculations, conclusion (purpose, what you did and why, results, 2 sources of error). CSEC Physics Lab - Specific Heat Capacity 1. Heat treatments of these metals have in many ways improved their properties for specific or specialized applications. removal of the sample from the object;. rtf), PDF File (. Specific heat is the amount of heat energy required to raise the temperature of a body per unit of mass. Lab Report On The Laboratory 1485 Words | 6 Pages. Instead of a heavy metal bomb, a metal can, such as an aluminum soft drink can. Types of Soap. McCormick* Last Update: August 21, 2014 Introduction. CONCLUSION: • State the specific heat capacity of the 100g brass mass. It was also theorized that an element's atomic mass was proportional to its specific heat. For example, consider a chemical reaction that occurs in 200 grams of water with an initial temperature of 25. The gain of electrons by the nonmetal atom transforms it into a negative ion, or anion. The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. To do any of these well is to think critically while doing so and, at one and the same time, to solve specific problems of communication, hence to effectively communicate. Generally, lab reports are scientific in nature and include many pieces of information, including the materials used, the methods, the results and a discussion. For this experiment pressure will be constant so Enthalpy of Reaction and Heat of Reaction ( H rxn) are assumed to be the same. doc), PDF File (. Conclusion in lab report - Best pharmacy waiting for you to order medications. The report should have a thread of argument linking the prediction in the introduction to the content. A eutectic alloy of gallium and indium (EGaIn) is used as a stretchable low-resistivity interconnect between the legs. Specific Heat Lab Report - Free download as Word Doc (. We used each metal 3 times, because when we heat each one of them and time them, we will find the average from the 3 deferent timings, so the results will be more reliable. , where q is the heat in Joules, m is the mass of the sample being heated in grams, and (T represents the temperature change in degrees Celsius. Do not fool around in the lab. Search Search. Heat Transfer Teacher Resources. (Here are more detailed instructions. Joel has 4 jobs listed on their profile. Fill the calorimeter approximately. Specific Heat. Therefore, the color change observed when an unknown solution is added to a known metal ion containing solution can be applied in qualitative analysis schemes. Specific Heat Capacity c. These changes in properties are the results in the microstructures in these materials through heat treatment. Turn the hot plate on high, begin boiling. We will pretend that is not the case. ’ Every substance has its own specific heat capacity – this physical property relates energy change to temperature change. Stopper the flask and allow it to stand in your locker until your next lab period. In an effort to give a day for the concept of specific heat the chance to percolate and settle in students' brains, today we do a lab where it is irrelevant. The finalized calorimetry lab report is at the Specific-heat-of-a-metal-lab. Your cellphone does not in itself cause cancer. A clinical case report of a smoker suffering from chronic idiopathic neutrophilia was published. - Specific Heat Capacity of Metals Daniel Rosalez 15 November 2015 Purpose The purpose of the lab experiment will demonstrates how to set up an experiment to determine specific heat of metals. Therefore, the air-side convective heat transfer coefficient for the tube h out can be found from Equation 1; consequently, the mean Nusselt number for the tube, Nu ext = h out D out /k air, can be. Site 3 it live in Spring, Winter and Autmn. Pre-Lab Questions: The day before the activity, assign students to answer the five Name That Metal! Pre-Lab Questions, which are also listed below, along with their answers. 4 A) for each of five magnet currents (1,3,5,7, and 9 A). Since we know that heat energy is related to temperature change by: you can calculate the specific heat of the metal. 8-mm diameter) was electronically controlled to produce a constant. In part D, you will measure the heat of solution of ammonium phosphate. of reaction, in which one metal "displaces" another from a solution of one of its salts, is known as a single substitution reaction. This graphic looks at the colour of various metal and metalloid ions that occur during flame tests. The aim of the experiment is to verify Newton's Law of Cooling of different materials and different liquids. Substance: Specific Heat Capacity at 25 o C in J/g o C: H 2 gas: 14. Why are they so different? The difference is mainly because it is expressed as energy per unit mass; if you express it as energy per mole, they are very similar. report, especially in the introduction, discussion, and conclusion sections. One way is to measure its density at a given temperature. The most important use of beryl today is as a gemstone. Login to reply the answers Post; ferguson. What is the conclusion on specific heat capacity of liquid heat capacity of that liquid so that you can accurately determine the specific heat of the metal. To eliminate the determination of the specific heat of the metal can (the heated needed to heat the metal that composes the can), the experimental conditions are modified to maintain a constant. Therefore, the air-side convective heat transfer coefficient for the tube h out can be found from Equation 1; consequently, the mean Nusselt number for the tube, Nu ext = h out D out /k air, can be. This paragraph should define the property of matter that causes the results that you see (specific heat). The value of the specific heat depends on the condition under which the heat is added. ) Conclusion. The activator is a thin metal piece with ridges and a specially roughened surface. Pre - Lab - Specific Heat of Metals Worksheet #3 Fri 4/10 Lab - Specific Heat of Metals Lab calculations and conclusion Study for quiz Mon 4/13 Quiz - Heat Transfer Problems (specific heat) Notes – Heat of Fusion (slides 26-30) Finish Notes, if needed Heat of Fusion Worksheet #4 Tues 4/14 Go over HW (Wkst #4). Heat is a form of energy. Use this table of specific heats to determine the identity of your metal. In the Heat of Fusion Lab topics relating to the study of thermodynamics will be explored. Data Table: - all data taken. Sri Lankan Agricultural Nephropathy (SAN), a new form of chronic kidney disease among paddy farmers was first reported in 1994. Answer to Experiment: Specific heat capacity Aim: To determine the specific heat capacity of a solid Using the attached data, calc Skip Navigation. In this lab the ice will be melting and our goal is to find the latent heat of fusion for water (L f. Whereas the metal plate is cooled down almost evenly during this time, the temperature of the plastic plate decreases only at the points of contact with the cup. Pre-Lab Discussion. Report #2 is due TOMORROW. Materials. What is the specific heat (smetal) of the metal in J. INTRODUCTION. Background: According to the Law of Conservation of Energy: Energy cannot be created or destroyed in a chemical reaction, or in a physical change, but it can be transferred. Previous studies on the heat con­ ductivity of wood have been com­. • The cost of material and processing will be used as a modifier to the material performance index. Metal, ceramic, and glass items do not necessarily look hot when they are hot. A separate video will show you the calculation that will need to be done. The properties of copper and aluminium either in their pure state or as in an alloy can be improved by heat treatment. Heat and Temperature. how long the process takes. Complete Table 2 of the report sheet for each of the following systems. Specific Heat of Aluminum = (Heat gained by water )/(Mass of metal (g)× ΔT of metal (°C)). Specific heat is a measure of how much heat it takes to raise the temperature of something 1 degree Celsius. Therefore, if heat, Q, leads to a. To determine the specific heat capacity of a solid conclusion? The specific heat of which metal is 0. Explain why. Most component failures start with heat build up. Olive oil and sesame oil are used in unrefined form since a specific taste is expected by consumers. Specific heat is the key. In this specified practical activity, it is important to: record the time accurately measure and observe the. i really need help. Specific heat capacity (c) is the heat energy required to raise the temperature of unit. Students had to interpret this complex set of data and relate it to their knowledge that the metal with the higher specific heat capacity caused the temperature of the water to change more than the metal with the lower specific heat capacity. For example, the specific heat at constant pressure is commonly denoted , while the specific heat at constant volume is commonly denoted. Metal: Brass Scale is very sensitive Mass 49. The purpose of the lab calculates the specific heat value of a known and the unknown metal through the observations and results gathered about the release and absorption of the heat throughout the experiment. 8 Nov 2015 - 9 min - Uploaded by Sara MeadowsThis is an example of how you calculate the specific heat of a metal from calorimetry data. Broken glassware may have Sharp edges. The final result will there fore be the specific heat of the metal element, in g J •°C. flow of heat will be examined in this experiment. Scribd is the world's largest social reading and publishing site. In this lab,. From the experiment, it was deduced that the melting point of. Identify the metal your candle contained. Dropping heated metal samples into a calorimeter filled with water and then measuring the change in the temperature of the system accomplished this. The heat was transferred across the street by __radiation____. Over 350,000 specific notes are at your disposal. Sorting device for metal stampings experiment / FLUID POWER - Lab Report Example. As applied to the transition metals, coordination compounds are among the most extensively investigated areas in the field of inorganic chemistry; and in fact, the first inorganic chemist to win a Nobel Prize, Alfred Werner, won the prize for work on. Lab 9 Specific Heat Capacity of a Solid Objective: < To measure the specific heat capacity of an aluminum cylinder. Show the completed lab report and take the signature from your TAs before living the lab, otherwise lab report not considerable during at the time of submition. Safety Precautions: Obey all lab safety rules. the Law of Dulong and Petit, stating that the atomic mass of a solid element equals 26 divided by the specific heat, ± 10%. If the heat is added at constant volume the heat energy goes entirely into increasing the internal kinetic energy of the particles. The relationship Q = mL can be used to determine the energy needed to change phase. Also known as Heat Capacity, the specific heat is the amount of the Heat Per Unit mass required to raise the temperature by one degree Celsius. Homework Statement I am conducting an experiment to determine the specific heat of a certain metal using a typical calorimetry experiment (using a. Evaluation; Other: Pre-lab assignments which are assessed on completeness, proper format, and timeliness. Get calorimeter cup. rtf), PDF File (. If the solutions begin to boil, remove them from the heat source and allow them to cool below boiling before continuing to heat on a lower setting. Which can be used to determine the specific heat of a substance. Read the background, update your table of contents, add title, write purpose (In your own words 3-5 sentences), Write procedures, data table. Which can be used to determine the specific heat of a substance. Chapter 3 Calorimetry - Specific Heat and Latent Heat Name: Lab Partner: Section: 3. elegans was exposed to noxious heat by using either a pen with an electronically heated metal tip (Colwood Electronics, Eatontown, NJ) or a monochromatic laser diode (Schaefter & Kirchhoff, Hamburg). 39 g sample of metal is heated to 98. This is achieved through a process referred to as heat treatment. Define Objectives a calorimeter, Measure Changes in the temperature of in the calorimeter when metals are added. BishopIntroduction - (also includes Pre-Lab information): One of the vast many characteristic properties of water (H20) is its unusual ability toabsorb large quantities of heat without significant change in temperature. Why? usingstyrofoam coffee cups over aluminum ones? weassumed heatlost styrofoamcalorimeter. BACKGROUND The amount of energy required to convert a solid to a liquid, at constant pressure and temperature, is. This cycle repeats faster and faster until there is a puff of smoke and everything breaks creating an open. Whereas the metal plate is cooled down almost evenly during this time, the temperature of the plastic plate decreases only at the points of contact with the cup. The specific heat of water is 4. Description. It mounts on a base plate with a clear schematic of the experiment layout. Heat may be given off or absorbed by the salt as it dissolves as ions in water. So for water (the value you are most likely to come across), the specific heat is 4. validassumption? Justify your conclusion. To maximize the heat transfer, the wall should be thin and made of a very conductive material. Specific Heat Capacity Laboratory Report 1065 Words | 5 Pages. For the same reason that it is dishonest to report a result with more significant figures than are reliably known, the uncertainty value should also not be reported with excessive precision. This is why we saw the ice on the metal block melt more quickly. c is the specific heat of water - 4. All you need to do is wrap some insulated copper wire around an iron core. Materials. It is transferred from atom to atom. The calorimetry of hcl-naoh transfers on the people of a report lab active because the solid of earth predicts mostly other. - Specific Heat Capacity of Metals Daniel Rosalez 15 November 2015 Purpose The purpose of the lab experiment will demonstrates how to set up an experiment to determine specific heat of metals. Oxidation-Reduction Reactions. 1 Introduction Heat is a form of energy that is transferred between objects with different temperatures. subtitle: What can we learn about adsorption systems from thermodynamic and kinetic measurements? IMPRS-Lecture Series 2012: ‘Experimental and Theoretical Methods in Surface Science’ Klaus Christmann. You will measure the specific heat of steel washers and a lead weight. 00 - note that the Ti - the initial temperature of the water formed via the process is 0 degrees celsius - the ice that melts forms liquid water at 0 degrees celsius. first cleaning the crucible and then heating them in the flame of a Tirrel burner. 2 Refers to previous research on the subject. mass you will use to calculate heat of reaction, q. What is the conclusion on specific heat capacity of liquid heat capacity of that liquid so that you can accurately determine the specific heat of the metal. T2 - initial temperature of vessel T1 - initial temperature of solid Tf - equilibrium temperature Msolid - mass of solid Mwater - initial mass of water Real specific heat values of solids are, = 0. Poisson's ratio - When a material is stretched in one direction it tends to get thinner in the other two directions; Ratios and Proportions - Relative values between quantities - ratios and proportions; Specific Heat of some Metals - Specific heat of commonly used metals like aluminum, iron, mercury and many more - imperial and SI units. View Lab Report - Calorimetry Lab Report from CHM 101 at UNCW. A tensile test is a fundamental mechanical test where a carefully prepared specimen is loaded in a very controlled manner while measuring the applied load and the elongation of the specimen over some distance. where, ΔQ is the amount heat energy concerned m is the mass of the body Δθ is the temperature rise of the body c is the specific heat capacity of the body. Background: Brainstorm a list of background information that would be included in your lab Which explanation of a calorimeter would you prefer to receive?. Table 1 lists the specific heats of six metals that may be used in this demonstration. An aluminium block, heat resistant mat on which to place the block, suitable lagger to cover the block, an electrical immersion heater, a voltmeter, an ammeter, connecting leads, a low voltage power supply, a thermometer (0. In this experiment, the heat capacity (C) of the coffee cup calorimeter is given as 10. When natural gas burns, for example, an oxidation-reduction reaction occurs that releases more than 800 kJ/mol of energy. Heat and Temperature. and a lab apron. These surprising colors are the result of the presence of specific metals in the burning material. A very good question indeed. INTRODUCTION From equation (2), the amount of heat lost by the metal (hot substance) is the same as this amount of heat you just calculated. Lab Report 2741 Words | 11 Pages. Essay on Lab Report: Specific Heat - Introduction The porpoise of these is to determine the Specific Heat. Your lab report should have the following sections ON PAGE 1: Title Purpose. The identity of the metal can be guessed from. Is it the metal or the non-metal that produces the flame test color? What brought you to this conclusion? 2. The description of the development of this experiment leads the students to a conclusion that “copper heats faster than aluminium” etc. Resistors can be found in a variety of different materials, each one with its own properties and specific areas of use. Stopper the flask and allow it to stand in your locker until your next lab period. Hydrogenation. (1) where Q is the amount of energy transferred, m is the mass of the object receiving the energy, c is the specific heat of the object, Tf is the final temperature of the object and Ti is its initial temperature. Calorimetry will be used to investigate specific heats of materials and the latent heat associated with a phase change. 22 µg, nickel from 0. In this experiment you will use calorimetry to determine the specific heat of a metal. Suppose you had used 8 g of sodium hydroxide in Part One. Summarize your results (specific heat capacity of the metal you used from your lab data and calculation. This means you should form groups of three to four students (four is preferred) and work collaboratively to complete the report. A system encompasses the substances that are involved in a reaction, and everything else in the universe other than the system is called the environment. So in my chemistry class, we are currently doing a specific heat of metal lab. This information is also of interest for comparing the thermal insulating properties of the differ­ ent species of woods and for com­ paring wood with other insulating materials. In the history of science, the mechanical equivalent of heat states that motion and heat are mutually interchangeable and that in every case, a given amount of work would generate the same amount of heat, provided the work done is totally converted to heat energy. Standard aseptic techniques used for culturing bacteria will be demonstrated at the beginning of lab. The specific heat is essentially a measure of how thermally insensitive a substance is to the addition of energy. Our answer of 90% is a high percentage, but not entirely unreasonable given the reddish-gold color of the brass we were given. In a recent report, Gartner forecast that, on a worldwide basis, “endpoints of the Internet of Things will grow at a 32. A small length of wire, about 10 cm, feeds through and is in direct contact with the sam-ple. Lassaigne's Sodium Fusion Test. Lab 9 Specific Heat Capacity of a Solid Objective: < To measure the specific heat capacity of an aluminum cylinder. Heat effects and calorimetry lab report. “In our investigation we found that sliding friction is dependent upon _____ and _____, but is not. Polymers - Specific Heats - Specific heat of polymers like epoxy, PET, polycarbonate and more; Solids and Metals - Specific Gravities - Specific gravity for some common solids and metals like aluminum, asbestos, brass, calcium and many others; Specific Heat - Online Unit Converter - Online specific heat converter with the most commonly used units. Identify the metal sample and explain why show your work. This is done by using a calorimeter to determine the specific heat of a metal. A calorimeter can be used to identify metals. Lab Report Chemist Chapter 2 (nEW) Specific Heat Capacity of a Metal Lab. watch glass and heat for about an hour at 80 - 85 degrees Celsius. Calorimetry is the science of measuring heat. Spell-check and grammar-check your work. Favorite Answer. This experiment was conducted to identify a quantity of unknown metal using calorimeter and conservation of heat principles and determine specific heat of metals.