lab calorimetry and specific heat lab report edgenuity

compute the specific heats of each metal. These are the countries currently available for verification, with more to come! The page should say something along the lines of please Please i need it Lab: Calorimetry and Specific Heat. 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. Scroll down to condensed phase thermochemistry data and find the value for DHf of liquid water. You should also replace all the fake Latin text with your own words (in The energy of the water molecules increases. Although we had an accurate result, better temperature could have been measured better using an electronic thermostat. of water in calorimeter "C Initial temp. Calorimetry Lab Report o PART A. Objective: The objective of this experiment is to determine the mass percent of iron in an iron compound using a spectrophotometer. H 2 When 68g of silver nitrate (AgNO) is heated it decomposes to form 43.2 g of silver (A H 18.4g of nitrogen dioxide (NO) and 6.4g of oxygen O. Add the piece of metal, and heat it up on the stove or over a Bunsen burner. of metal), then take the metal out of the boiling water and replace it into Styrofoam T = T final T initial. These three different foods with different measurement of energy contents that participated in this lab are potato chips, popcorns, and raw pasta noodle. Confidential Page 1 of 46. :), For the electronic transition from n=2 to n=4 in the hydrogen atom. The amount of heat that flows in or out Because of heat )ow out of the system, we came to the conclusion the reac"on between HCl and NaOH was an exothermic reac"on. How can the specific heat of a metal be found using a calorimeter? 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 . 14 Calorimetry for Determination of Specific Heat Capacity Calorimetry for Determination of Specific Heat Capacity. First we chose an unknown metal, in which our unknown was unknown metal 2, the metal was gray and irregular shaped. 3. There is no textbook that needs to be used, however there is a stimulation that needs to be completed which is given in the file provided down below on the first few pages. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. The density of the unknown metal was 6.57 g/mL and was determined using a cylinder and displacement. 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. a) Calculatethe energy. 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. Our verified tutors can answer all questions, from basic math to advanced rocket science! Specific heat is the ability of any material to retain heat energy is called that material's heat capacity. Please go to File Make a Copy and then renam, Fill in your name below and then see instructions on the follo, TITLE OF LAB (Calorimetry and specific heat), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. The average specific heat of the unknown metal was 0.197C and was determined using a calorimeter. 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. Gently swirl the of metal (assume 99.1C unless directed to do otherwise) 99.1 C Final temp. Part A of this experiment used two dry Styrofoam cups and a magnetic stir bar to create a calorimeter. Based on the calorimetry and specific heat of the metal, Lead would be the best choice to build the companys cookware with. Over the last 540 million years, icecaps covered at least one of the Earths poles during three b. 11 Name 9 features of the femur that were discussed in the video lecture and study guide that are visible on the anterior 1. SC-Chemistry SC Academic . Stuck on a homework question? where mm is the mass of the substance and cc is the specific heat capacity of a substance. and repeat for each metal. Open Document. Our best tutors earn over $7,500 each month! Adding heat (energy) to matter makes the particles move more quickly. When youre done, you can save as a PDF to upload to Edgenuity or share to my district Google account at . It is assumed that the specific heat capacity is constant in the temperature range, although in reality it does vary with temperature., c. Use the formula in the background information to solve for the specific heat of the metal., To determine the specific heat of a metal and its approximate atomic mass. As a result, water gains or loses much more heat than other common substances while undergoing an equal temperature change. 0 Your courses contain standards-based instruction with lessons from expert, on-screen teachers and multimedia tools and resources. /Length 178320 Replace all red text with your own words and then change text to black. [ Given: Specific heat of water = 4200 Jkg -1 K -1 , Specific. When dealing with the transferring of heat and various process related to heat, the terms convection, conduction and radiation are frequently discussed thoroughly. The specific heat is a valuable piece of information. Experiment 3 PART B. CustomerSupport@edgenuity.com 1-877-202-0338 imaginelearning.com . Question: Lab 9: Determination of the Specific Heat of a Metal Report Form Collected Data Trial 1 Trial 2 Unknown metal code: . 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. You want to know which metal - aluminum, iron, copper, or lead - is best to use to make pots and pans. Replace all red text with your own words and then change text to black. Joules is a measure of heat energy. . Name 9 features of the femur that were discussed in the video lecture and study guide that are visible on the anterior surface of the femur. The specific heat is a valuable piece of information. Calorimetry Lab Report o PART A. Is it the same rG and fG ? YOUR CLASS (Chemistry in the Earth System A). 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. The change in temperature in the second trial was 7 degrees Celsius., The specific heat capacity of a substance is the amount of thermal energy required to heat one gram of that substance by one degree. endobj E2'rV,h>>d9~(S);8o7j shx7p^6OS 2 endstream endobj startxref a) Place the lid on the upper coffee cup, and place the calorimeter into a 250 mL beaker in The only required fields for creating a student account is the first name, last name, username, and a . We will also need to know what specific heat is. In this experiment, we will determine how much heat energy released when we eat snack foods such as popcorn or potato chips. 2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(l). You won't know what to do unless you understand how it works! I hypothesise the water heats ice to liquid and then goes to simmer and boil. After finding the heat transferred, we were able to calculate the specific heat capacity and match it to the correct metal. Some were variable and some were constant. Background. Specific heat values are also commonly given in cal/gC, where 1 calorie=4.184 Joules. This one should help you a lot more. This experiment was designed to determine the specific heat capacity of two unknown metal sample. There may be some human or instrumental errors that cause the data to show inconsistencies. We placed a temperature probe in the calorimeter and placed the lid on the calorimeter. , to the molecules of the water when the temperature of the water increases? of the Rank the three substances in order of their specific heat capacities, from highest to lowest. Purpose: To utilize a calorimeter correctly to find the enthalpy changes in two different reactions. The steps above were repeated for the second unknown metal as well. Thus, we eat and combust food to release its heat energy in our bodies. Take every 15 seconds for about 2 minutes the temperature of water inside the There may be more than one value. It is an intensive property, as opposed to the heat capacity, which is an extensive property that depends on the amount of substance present. Cooling it down decreases the amount of kinetic energy and slows the movement down. English, of course). SAFETY: Wear goggles, an apron, gloves, oven mitts, and use a test tube holder. We then measured out 50.0mL of heated deionized water into a graduated cylinder and placed a temperature probe in the graduated cylinder. There is no specific way I need this done as long as it is completed and eligible to read. The lab also uses distilled water, which is water purified by a process of heating and cooling. The atoms are always moving they all have kinetic energy. Thanks! Hi fellow History tutors! 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. Edgenuity has created an inviting, interactive learning environment to help guide you toward academic success and recover credits to help you graduate more quickly. We added the magnetic stirrer to the calorimeter and turned on the stirrer to a slow stirring rate. tap water (calorimeter water) inside. Calorimetry Lab Report o PART A. This lab is performed in order to determine the total energy in a reaction between zinc and hydrochloric acid. This solution was also an exothermic reaction. We setup the calorimeter and got a mass of it just being empty then we got a mass with 30mls of water in it. You will use a calorimeter to collect data . Specific heat values are also commonly given in cal/gC, where 1 calorie=4.184 Joules. Put the medals in separate test tubes with labels. aluminum, iron, copper, or lead is best to use to make pots and pans. 5 Pages. These experiments lead to reliable results, which in turn determined that the unknown metal was. From there, determine which iron compounds are in the stock room bottles based off of the experimental mass percent results., 2. 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). TITLE OF LAB (Calorimetry and specific heat) A calorimeter is an apparatus for measuring the amount of heat that is involved with chemical reaction or in any other process. The more heat that is added per gram of substance, the greater the temperature change. What happens This new feature enables different reading modes for our document viewer. The addition of hydrofluoric acid and __________ to water produces a buffer solution. Based off of the calculations, the obscure metal number one is zinc. Temperature can be understood by recognizing that a hot object contains more thermal energy than a cold object. This experiment was significant in understanding how heat can be absorbed or released and how using a calorimeter can help measure heat flow. Finally, equations 1, 2 and 3 can be combined into the calorimetry equation: ( 5 ) 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. MATERIALS. paisa urban dictionary >&nbsparmy navy country club fairfax > lab calorimetry and specific heat lab report edgenuity /Type /Stream 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. (Adobe) The metal was then transferred into a calorimeter where the temperature was measured. Good luck. 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. cups filled with room temperature tap water. Apply to become a tutor on Studypool! Place a metal in the water and record changes every 60 seconds for 300 seconds. - Calorimetry. The heat capacity per unit mass of a body, called specific heat capacity or more simply specific heat, is used to more directly compare the heat capacity of substances. Ini"al temperature of water is the room Copyright 2014-2023 & All Rights Reserved. PROCEDURE: After gathering your materials put together the "Coffee Cup" Calorimeter by placing one cup in the other and putting hole in the lid. Two polystyrene coffee cups; Lid for polystyrene cup; Thermometer . 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. Explore how heating and cooling iron, brick, water, and olive oil adds or removes energy. Use some rationale to determine which is value to use as the DHf of H2O. 669 Mass of wate) 8 62.162 Mass of metal 8 8 62.178 -18.252 -13.236 Initial temp. Using the short fiber optic cable, record the O-scope display of **Do not forget to hand this in before leaving class! temperature of the tap water. stream When silver crystallizes, it forms face-centered cubic cells. : an American History (Eric Foner), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Psychology (David G. Myers; C. Nathan DeWall), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Developmental Psychology Life Span Syllabus Summer 2019 fullcoll-1, CSUF Case Analysis Format, directions and template to follow. Then measure the mass of each metal after using the tare. place the coffee cups inside each other, put the cup inside a 250 mL, beaker. [GET] Calorimetry And Specific Heat Lab Report Answers Edgenuity. 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. PLEASE READ the entire handout before starting. Our unknown metal got identified by calculating the heat change and we came to the result that we were using copperand ion metals. Subtract to find temperature changes for the water and metal. These differences, however, it can be accounted for by experimental error; more over there are uncertainty on purity of the. a. 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. (Identity) The purpose of the lab was to explore how the specific heat of a substance can be determined using a coffee cup calorimeter. endobj Use the string attached to the metal to transfer the metal from the hot water bath to the calorimeter. Question How can you determine the specific heat of a metal using a calorimeter? According to the standard deviation equation, 5.15 x was the amount of variation that existed. In our physical world, there are a multitude of phenomenon that occur daily that we experience that often go unnoticed. Lab: Calorimetry and Specific Heat: Student Document: Lab: Enthalpy: Student Document: Lab: Mechanical Equivalent of Heat . To determine the heat of neutralization for a strong acid-strong base reaction. Lab: Calorimetry and Specific Heat Edgenuity, Inc. 5 Pages. Specific heat of an unknown metal mw x sw x tw = - (mw x sw x tw). We recorded the initial temperatures of the chilled and heated deionized water. 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). Given the density of silver is 10.5 g/cm3. One of the regions where it is most pr Quantitative Application of Fluvial Geomorphology: Preliminary Analogue Study from Modern Mahakam Ri. 2. lab calorimetry and specific heat lab report edgenuity Assignment: Response M Desertification is an extreme example of the problems associated with soil erosion. 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. Edgenuity is a leading provider of K-12 online curriculum and blended learning solutions. Calculate the specific heat of the metal sample. Differences existed in the mathematical calculation of the actual length. The reservoir in a calorimeter used to study reactions occurring in water will be de-ionized water or a dilute aqueous solution, which has virtually the same value of C. A simple calorimeter can be made from two Styrofoam coffee cups, with one inside the Specific Heat Capacity Laboratory Report. 1065 Words. 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. 1. Table 1. Fun Fits For Kids. Also, a result could have been record incorrectly causing the specific heat to be wrong. If anyone still needed help on this, someone wrote out the student table on brainly.com, look up Lab: Calorimetry and Specific Heat. 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. Please note that I will not be bringing up the price or the deadline of this question, so be sure not to suggest it. 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. , this data to write a balanced equation for the reaction. endobj This is one of our shortest labs and they usually take me an hour or less if you read the directions carefully. The page should say something along the lines of please Please i need it Lab: Calorimetry and Specific Heat. 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. Use Hess law to determine the change in energy. The addition of hydrofluoric acid and __________ to water produces a buffer solu. 12, copper, iron, and lead powder The handwritten data from the lab are included in Appendix A: Raw Data. Step 3: Put some water into a saucepan (this is separate to the water in the cup). Post a Question. 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). 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. Use the data from your experiment for the metal in your calculation., 1. 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. Experts are tested by Chegg as specialists in their subject area. By comparing the data with the accepted heat capacities of various metals, the composition of the unknown samples was identified. lab calorimetry and specific heat lab report edgenuity. 5 0 obj Introduction: Calorimetry is the art of measuring energy.For example, determining how Q w = -Q s Where Q is the change in heat. calorimeter with a thermometer inserted through the hole in the lid. The unknown metals specific heat was measured in two differ 1245 Words. copy. Skip to main content . The density of the unknown metal was 6.57 g/mL and was determined using a cylinder and displacement. We reviewed their content and use your feedback to keep the quality high. the topics are short and can be done easily. 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. Results. 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. 1. Calorimetry is the science of measuring the change in heat absorbed or released during a chemical reaction. 10 mL graduated cylinder Let me know if youve shared it. 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? The specific heat capacity of the first metal was determined to be . Tomatoes to 100 Celsius in a hot water bath. Lab 4 - Calorimetry - WebAssign. 4 0 obj Answer: If anyone still needed help on this, someone wrote out the student table on brainly.com, look up Lab: Calorimetry and Specific Heat. -discussion of the results/data, including the identity of the metal, the accuracy [FREE] Calorimetry And Specific Heat Lab Report Answers Edgenuity | updated! 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. Different states of matter have different amounts of space. 165.934 115. Abstract. 4 0 obj Wash hands after the experiment We are so pleased that you are joining us on our adventure into online learning! out of and why A) HCl B) NaNO3 C) 13/09/2022, 16:56 We found the temperature of our boiling water. In calorimetry to find the amount of heat that was absorbed or released (q) by multiplying its mass (m), its . This is important because our bodies as well as the animals are filled with water, giving the ability for the temperature to remain somewhat stable in our bodies regardless of the surrounding Heat Of Combustion Lab In this lab, we will measure the heat of combustion, or calorimetry . Abstract: In this experiment, the specific heat and the density of an unknown metal was determined in order to identify the unknown metal. 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. Calculate the energy Calculate the wavelength. What was the temperature change for the metal sample (Tmetal)? Step 4: Heat the Metals to 100 C in a Hot Water Bath. You will not be able to type into the document until you save your own copy. Calculate your percent error. Step 4: Once the water is boiling . We ran this experiment twice to compare the results. One Calorie is equal to 4,184 Joules. Explore information provided by the CDC, WHO, literary source a for a total of at least 5 sources. Measure the mass of the metal and the and the water inside the calorimeter, heat the metal and add it to the water in the calorimeter, when the heat . laynie05 laynie05 12/14/2020 Chemistry High School answered The answers to the Lab: Calorimetry and Specific Heat step3: aluminum- 11.98 copper-12.14 Use your data, the equation below, and the specific heat of water (4 J/gC) to compute the Find it Fast! Are you in need of an additional source of income? title. In this lab we are measuring the amount of energy that is contained in various snack foods. Course Hero is not sponsored or endorsed by any college or university. In the boiling water, place the unknown metal sample inside for about 30 min. 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. b) Calculate the wavelength (in nm). Course Hero is not sponsored or endorsed by any college or university.

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