Use the data from your table to calculate the specific heat of copper (pennies). J/g.°C (d) Select the correct metal below. The specific heat of ice = 2.087 J/g oC. Specific heat is temperature … 3. Privacy Question: LAB # 5; TEMPERATURE And SPECIFIC HEAT. Grad cylinder 8. 2. 03-03. Lab #5 - Specific Heat - Lab#4 Specific Heat of a Metal NAME Spencer LAB PARTNER(S PRE-LAB QUESTIONS(3 POINTS Reminder these must be answered prior to, 1 out of 2 people found this document helpful, Reminder: these must be answered prior to starting any lab. Calorimetric Lab - Specific Heat LAB Name _____ Materials 1.Unknown metal 3. 2. Solution for What is the specific heat capacity of a penny? Determine the changes in temperature of the water (∆T water) and the metal (∆T shot) for each trial. While conducting a lab experiment, Algerone calculated that 16000 Joules of heat were needed to raise the temperature of 5.0 kilograms of a substance from 19 o C to 44 o C. What is the specific heat capacity of the substance? Course Hero is not sponsored or endorsed by any college or university. 48.4 g of the mystery metal is heated to a temperature of 97.0°C before being dropped into a calorimeter with 425 g of water that is initially at 69.8°F. Trial: 1 2 3. Thermometer 11. Use the tongue depressor to get the ice into the styrofoam Terms Question: Data And Lab Submission - Energy And Specific Heat Energy And Specific Heat Are You Completing This Experiment Online? While the water is heating, determine and record the mass of … Gently slide the metal into a … Calculate the heat capacity of a piece of wood if 1500.0 g of the wood absorbs 6 104 joules of heat, and its temperature changes from 320C to 570C. How does it factor into the determination of. J (c) What is the specific heat of the unknown metal? Be sure to take your Pre-lab Quiz via BB prior to coming to the lab (2 POINTS), TABLE OF ACCEPTED VALUES OF SPECIFIC HEAT. Given the data in the table, please answer the questions below and determine the identity of the unknown metal. What is the Law of Conservation of Energy? Use experimental data to develop a relationship among the variables: heat, mass, specific heat, and change in temperature. Then the metal was transferred to an enclosed styrofoam cup containing room temperature water at which point the temperature of the water increased. A. Worksheet- Calculations involving Specific Heat 1. CHEMISTRY LAB THE SPECIFIC HEAT OF A METAL INTRODUCTION: The amount of heat energy that is required to raise the temperature of one gram of a substance by one degree Celsius is called the specific heat capacity, or simply the specific heat., of that substance.Water, for instance, has a specific heat of 1.0 calorie per gram degree Celsius [1.0 cal / (g x deg.C)]. 4.18 + 40.6= 44.78 this is the sum of the heat gained by the water. For q= m c Δ T : identify each variables by name & the units associated with it. 1. q = mcΔT. temperature), tap the STOP button to end data collection. In the calorimetry lab, an unknown metal was placed in a test tube surrounded by boiling water at 100.00°C. Mass of metal only 145.2 145.2 145.2. Materials: Platform balance, calorimeter, thermometer, room temperature water and hot metal blocks (Al, lead, brass, steel). What device will be used in our experiments to determine the specific heat of a substance? well the in this lab i found that soil takes longer to heat up by the lamp {sun} but it also stays hotter longer Record the mass of the sample, the initial temperature (T 1), the final temperature (T 2), and the energy absorbed (in joules). Lab 4: Calorimetry An unknown metal can be identified by its specific heat. Temperature 1. Solution for Hi, I have a doubt. Ivy Tech Community College of Indiana • CHEM 101, University of New Mexico • CHEMISTRY 151L. Initial temperature of water in cup 22.4 22.2 22.3. 4. Initial temperature of metal (same as temp. ΔT = T final −T initial. Hot plate 10. Tap the File Cabinet icon to save the trial! 1. The specific heat capacity of a solid or liquid is defined as the quantity of heat required to change the temperature of a unit mass of a substance through a unit change in temperature. & I'm doing my lab report: Thermochemistry and Specific Heat Capacity. The research led to the understanding of a calorimeter, the answer to if density could identify a meatl, and charts of specific heat and density of different metals and alloys. | LAB 4 SPECIFIC HEAT CAPACITY by R.E. Tremblay Purpose: To determine the specific heat capacity(c) of several metals. Perform three trials for EACH of the two unknown metals (X and &). When 165 mL of water at 22.0 oC is mixed with 85 mL water at 82.0 oC, what will be the final temperature? How does it factor into the determination of specific heat? Then the metal was transferred to an enclosed styrofoam cup containing room temperature water at which point the temperature of the water increased. Assume no heat is lost to the surroundings and the density of water is1.00 g/mL and the specific heat of water is 4… Experiment 15: Specific Heat of a Metal Purpose: To determine the specific heat of a substance. The specific heat of water is 4.184 J/g.°C. Ice-water mixture 4. Look up what metals make up a penny and their specific heat capacities. q = amount of heat (J) m = mass (grams) c = specific heat (J/g°C) ΔT = change in temperature (°C) 2. 1.00 cal = 4.184 J Specific Heat (s): The quantity of heat liberated or absorbed when the temperature of 1.00 gram of a substance falls or rises 1.00°C. The experiment involves fire so please take caution, use safety goggles and be careful of your surroundings, set it up in an open space away from anything inflammable!! A calorimetry lab is designed for students to guess the identity of a mystery metal based on its specific heat. Test tube holder 7. Part 1: Place a candle on a safe flat surface and light it cautiously! The greater the material's specific heat, the more energy must be added to change its temperature. LAB 05: LATENT HEAT PAGE 01 It’s the real thing. Given the balanced equation for the combustion of methane, calculate the amount of heat (q) produced by the combustion of 4.05 g CH4 using equation 2. Introduction When a substance is heated, the motion of its individual particles increases, resulting in an increase in temperature. Tap water 3. You Need The Mass Of The Metal. Discussion: Heat is a measure of the amount of thermal energy that is transferred from an object Heat 250 mL of water in a 400-mL beaker until it is boiling gently. It Is Simple. How does this compare to… ๏ Make sure to record the initial temperature of the warm water (T 1), and the final temperature of the system (T 2). (2) What is the Law of Conservation of Energy? Lab 4 – Temperature and Heat For this experiment you need two balloons, a candle, a lighter, 6-7 tablespoons of water and a safety goggle. Test tube, large 9. of boiling water) 99.0 100.0 99.8. See the completed Specific Heat Data Sheet below. © 2003-2021 Chegg Inc. All rights reserved. Beaker 6. 5. Determine the specific heat of a metal if 6.30 g of the metal is heated to 102.9oC and then put into a foam cup with 625 g of water at 25.0oC. how does the specific heat of the soil relate to your answers in question 4? 2. Lab 4: Calorimetry An Unknown Metal Can Be Identified By Its Specific Heat. Heat is not the same as temperature, yet … Identify whether the process is exothermic or endothermic. I got stuck in the heat capacity. Lowest temperature -20°C 120°C °C Highest temperature °F 72.0 K 295 22.2 -1.1 30.0 272 2. Paper towels 12. In that case it can be determined by measuring the temperature change ΔT 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 1°C. As an example, the specific heat of water is given as , which means that 1.00 calorie of heat is necessary to raise one gram of water one degree Celsius, or 4190 joules of heat are necessary to raise one kilogram of water one Kelvin. 0 14 x (move (A 500 = (1500) 'c 61-32) 5. q = (0.10 g)(2.087 J/g ºC)(-85ºC) = -17.7 J = -18 J. ... Group 4 with a temperature of 32.1 degrees F . Use the Flash lab animation to observe the relationship between specific heat and temperature change for the known metals (Silver, gold, copper and iron). Black cup of soil -- Group 6 with a temperature of 31.9 degrees F . Balance 4.Calorimeter 5. PROBLEM # 1: TEMPERATURE AND ENERGY TRANSFER Lab I - 3 WARM-UP Read Serway & Vuille, Chapter 11, Sections 11.2 and 11.3 (or Cutnell & Johnson 12.6 and 12.7 ) 1. In the calorimetry lab, an unknown metal was placed in a test tube surrounded by boiling water at 100.00°C. Lab #4 – Specific Heat of a Metal NAME Spencer LAB PARTNER(S) PRE-LAB QUESTIONS (3 POINTS) Reminder: these must be answered prior to starting any lab (1) What is the definition of specific heat? Help with Specific heat lab? REPORT SHEET LAB 4 Temperature and Specific Heat A. Pre-lab Assignment and Questions. 4. 100.0 of 4.00C water is heated until its temperature is 37 cc. The relationship between heat and temperature change can be expressed by the equation shown below: ... s = specific heat of the solution = 4.18 J g–1 °C–1 ... the metal pellets into the beaker and record the mass in your lab notebook. Ask a research question and design a series of experiments to provide data to answer the research question. Answers for Lab 03 Temperature. See the completed Specific Heat Data Sheet below. Using the actual specific heat of aluminum, how many Joules of heat are required to raise the temperature of 325 g of metal from 34.8oC to 42.7oC? Lab 2-Specific Heat Lab In this lab, the answer to "Can an unknown metal be identified by its density and its specific heat?". LAB FOUR Specific Heat of a Metal 1 Name Lab Partner(s) Section Date Specific Heat of a Metal Objective In this experiment you will use calorimetry to determine the specific heat of a metal. 4.18 + 37.2 = 41.38 this is the sum of the heat gained by the soil . View desktop site, Lab 4: Calorimetry An unknown metal can be identified by its specific heat. 4. to solve this I have to… This preview shows page 1 - 3 out of 5 pages. (1 POINT) Amount of heat per unit mass to raise the temperature above 1 degree Celsius. B.Specific Heat Of A Metal You Do Not Need The Mass Of The Calorimeter. Note – This pre-lab must be completed before you come to lab. J (b) What is the value of metal? Experimental Results Mass of water in cup Mass of metal Initial temperature of water in cup Final temperature of water in cup 22.800 g 12.060 g 24.80°C 28.81°C (a) What is the value of water? where mm is the mass of the substance and cc is the specific heat capacity of a substance. 1. Tap water P r ocedure 1. Al (s metal = 0.904 J/g.°C) Cu (s metal = 0.384 J/g.c) Fe (s metal = 0.4493/9-°C) Mn (s metal = 0.479 J/g.°c) Ni (smetal = 0.4453/g.°C) si (s metal = 0.712 J/g.°C) Sn (s metal = 0.227J/g.c) Zn (smetal = 0.388 J/g.c). 1. 03-04. Our result from this experiment was somewhat close to the specific heat capacity for water, but still off the mark. the first law of thermodynamics (heat lost by a metal equals the heat gained by the water) the ability of heat to flow from a hot object to a cooler one masses for the metal and the water in the calorimeter temperature changes for the water and the metal the known specific heat of the water Part of NCSSM CORE collection: This video shows the collection of data to determine the specific heat of a metal. Procedure: Record all data in Data Table 1. Using conservation of energy, answer these questions about the situation : Lab # 10: Specific Heat Revised 8/19/2009 2 Joule (J): Unit of heat most commonly used in the SI system. Fill a large beaker about half-full with tap water.
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