flame test lab report conclusion
Metal salts contain loosely held electrons that are easily exited on heating. Strontium Nitrate 7. fIBD Chemistry Flame Test Practical This is because from our research we have discovered that when an atom is excited, its electrons jump to higher energy shells and upon their return (to ground state) the electrons emit a specific frequency of light. Lithium, which is represented by the symbolic notation, Li, is the third element on the periodic table. |Lithium Chloride, Premium For this lab we got a whole bunch of compounds and burned them to observe the flame and frequency based off the color of the flame. Lab Report: Your lab report should include title, a complete statement of the purpose, procedure followed to perform a flame test, materials used, data table of results, and conclusions. Flame Test Lab. Flame tests can also be used to find the color of fireworks one wants to use. Do not cross contaminate compounds. LiCl When I went to test it in the flame, I knew right away that it had to be K 2 SO 4 (potassium sulfate), because it emitted violet-orange light, just like the potassium sulfate did in my earlier test. 4- 4 Unknown test solid as directed by instructor (potassium , sodium , calcium , barium / chloride ) 5- A beaker. I predict that all of the metals tested will emit different colors of light. By using the metal that emits the color one wants in fireworks, one can get the desired color. List the colors observed in this lab from shortest wavelength to longest wavelength. Then we dipped the wire in the different samples provided. Get to Know The Price Estimate For Your Paper Topic Deadline: 10 days left Number of pages Email Magnesium did not impart any color change in the flame. Period 2 the tensile test results showed that the surface flame retardant strategy had a positive effect on the mechanical properties of the FNFs. The data concluded that majority of the tests the water was subjected to exhibit an absence of many chemicals. 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University Our Lady of Fatima University. CO 3 2-+ + + + + + + + + + + + 204 Calcium carbonate (CaC O 3) Aluminum metal. Morgan Chemicals present were of different categories; namely, carbon dioxide, silver, chloride, nitrate, and sulfate. Why do you think the chemicals have to be heated in the flame first before the colored light is emitted? Materials four Nalgene aerosol spray bottles containing solutions of copper acetate, potassium acetate, strontium nitrate, and sodium acetate in ethanol propane torch The flame test is one of the most widely used analytical procedures in Chemistry. The element is then said to be in the excited state. You can download the paper by clicking the button above. When I went to test it in the flame, I knew right, View Hence, it can be concluded that the non-metallic anions are not the ones responsible for the color of the flames observed. Note color(s) of the flame and the duration of each color. Repeat the flaming and cooling process for the loop. Metal Light Question: When a compound is placed in the flame of a burner what happens to the color of the flame? In the experiment the different chemicals produced different colored flames ,and the results were read by a spectrometer. However, electrons that are During the lab, 13 types of metal ions were tested and two were repeated with using a cobalt glass. Photon 7. 162 Words. Purpose The purpose of this lab was to reinforce the examination of wavelengths in photons discharged from atoms as they move from high energy to low energy, atomic emmision. 1 Page. Flame Test Lab Report. Why did we test the flame color of the cotton swab? endobj Hypothesis: When the compound is placed in the flame the flame changes color depending on the chemical compound. Energy levels are fixed energies that electrons, Premium Once the wire is clean, dip it into one of the solutions, place the wire in the flame, and observe the color of the flame. burning cotton swab was extinguished by dipping it in a beaker that contains water. Wan Huang 1- Benson burner. Light the Bunsen Burner. The equipment was cleaned off and put away at the end of the experiment. Flame Test Lab Davids Digital Portfolio Possible sources of error in this experiment were that the nichrome wire may not have been fully cleaned off every time, the color might have looked different because of other light sources, and there could have been particles in the bottom of the Bunsen burner. Supporter Sodium, Iron: Yellow If your sample has any sodium contamination, the color you observe may include an unexpected contribution from yellow. Since the energy required Electromagnetic radiation (Braid, Clayton, Falkner, Faudemer, Henderson, Howe, Jordin, Kordan, Scott, Train, 2018) Materials and method. 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. Chemistry Ammonia One will contain water and the Nichrome wire; the other tube will contain the cation solution. Safety Requirements for this Lab: Wear goggles at all times. The purpose of this lab was to see how different compounds can change color while in a flame and with this color I can identify the compound. Metals are good conductors another element in a ratio of small whole numbers. Purpose/Objective: The ground state is the normal electron configuration of atoms or ions in an element. Strontium Chloride Step 2 4. Electromagnetic radiation Metal atoms are responsible for the color because metals reflect high frequency light, non-metals can not do that. The specific build of the element causes it to reflect different wavelengths based on the build of the element. Flame test is a very common test used to identify metals of unknown chemical compound 5/30/14 Experiment #1: Flame Test banawis hjc, baluyot kje, bullo pvgd. Objective The result of the flame test is based on each elements characteristic which is emission spectrum. Distilled H2O A sample was obtained from the Purok Kaymito River, contained in a bottle for easy access, and underwent multiple experiments to determine its content; namely, physical properties, power of hydronium ions, heavy metals, anions, hydrocarbons, and bacteria. This experiment will benefit people who investigate fires. (red or crimson flame) - color flame clearly distinguishable Actual Salt g in 250 mL H 2 O BaCl BaCl 2 2HO 106 CaCl 2 190 CuCl 2 H 2 O 288 LiCl 233 KCl 88 NaCl 91 SrCl 2 392 . FLAME TESTS chemguide. compounds. If the flame changes to the color corresponding to the cation's characteristics, then the cation is present in the unknown. ground state. 4 0 obj Organization 1. Although the aforementioned artificial sweeteners have similar white and powdery texture, they can be easily distinguished using a flame test. In this flame test experiment, seven different known solutions and three different unknown solutions were tested in a burner. Conclusion Of The Flame Test Lab Free Essays. **. Procedure: as a negative control for this experiment. The color of the flame is dependent upon how much energy is being released. The Bunsen burner was set up and the flame was adjusted to the desired height. When the metal ion cools, the electrons go back to their original orbital and release energy in . Gas, 11th D https://giovannifusini.it/furman-pf15.html. What the flame color will be is determined by how much energy is, in the photon. Long hair should be tied up to avoid being singed. With these observations, it can be concluded that the cations are the ones responsible for the unique flame color of the compounds. Flame Tests and Atomic Spectra Santa Monica College. The spatula was cleaned off to make sure there is no residue on it. Metal The barrels have begun to leak a colored liquid that flows through their property before emptying into a local sewer. Sodium chloride When the actual flames were looked at different colors such as red, orange, yellow, gold, blue, and purple were seen. Lab Report: Flame Tests of Metal Cations Experimental Data and Observations Data Analysis Using the wavelengths recorded above, calculate the corresponding frequencies and photon energies for the emitted radiation observed for each compound tested. Calcium, ions. Lab Report Flame Test - Read online for free. Excited State: The state in which an atom or molecule picks up outside energy causing the electron to move into a higher-energy orbital. https://centralcatholic.net/admissions/entrance-exam. Brown, T. L., Lemay, H. E., & Bursten, B. E. (1994). The color of the flame and component colors is unique for each . Flame tests are used to identify the presence of a realatively small number of metal ions. If these colors are in the unknowns of the mixture, it shows that that compound is in the mixture because the colors are the same. Flame Color I also predict that all of the metals will emit a color in the visible spectrum. <>>> These colors can be put on a bright line spectra which shows every color that the element produces in a flame test.1 Each element has a unique bright line spectra and thus can be identified by using its bright line spectra. The Ministry of Education Key Laboratory of Automotive Material, College of Materials Science and Engineering, Jilin University, Changchun 130025, China . endobj The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Potassium Repeat any of the known metals to help with this prediction. Atom, Flame Tests Chemical element Bunsen burner A flame test is used to identify certain metals in a compound or single element.1 When an electron jumps up to a higher energy state the element is in its excited state. Flame Test Lab Your company has been contracted by Julius and Annette Benetti. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. What is the relationship between energy, frequency, and wavelength? There were nine ionic compounds which were subjected to direct flame using a gas Why did we test the flame color of the water and the hydrochloric acid? https://shipseducation.com/training/test-answers/. If you are writing a lab report of one page, then a couple of sentences can do this section (circa 40 words). 3 0 obj Another example of colorful light emissions is the sun. The metal in the compound was identified by the light orange color seen during the flame test. Introduction- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. For different elements the spacing between the ground state and the higher energy levels is different. different color with the flame produced by the gas burner. Flame Test Lab and the Electromagnetic Spectrum Atom, Flame Test Lab There was copper nitrate, lithium chloride, and calcium chloride for sure because when we tested those compounds separately they showed the colors green, red, and orange which were in the unknown compound. Place the wire in the flame and observe any change in the flame color. It will also be conducted with everyone in the lab using safety goggles and everyone wearing closed toed shoes. compounds under study, it was ensured that these two did not give off flames that have a ACTIVITY (PRACTICAL RESEARCH) State four (4) researchable specific questions based on the general problem presented below. What metal ions are in the unknown solutions A and B from the barrels on the vacant lot? Most salts contain a metal and a non-metal. Management (safety: in getting the hcl solution, to. Photon, Discussion Questions stream Get answers and explanations from our Expert Tutors, in as fast as 20 minutes, Unformatted text preview: U . Possible sources of error in this experiment were that the nichrome wire may not have been fully cleaned off every time, the color might have looked different because of other light sources, and there could have been particles in the bottom of the Bunsen burner. This experiment showed that every metal emits a different color and this proves the hypothesis to be correct, that every metal emits a different color when put into a flame. This experiment will help one understand how a flame test is performed and that every metal has a unique bright line spectra. The colors observed during the flame test result from the excitement of the electrons caused by the increased temperature. List the colors observed in this lab from highest energy to lowest energy. and magnesium impart colored flames. Also Thermal excited electron goes from low to high energy level which raises the color but when the excitation ends electron gets to lower level which makes the color back to normal. subjected to open flame using a gas burner. Why do different chemicals emit different colors of light? Using the results of the experiment it has been concluded that different colored chemicals can produce different colored flames. Flame test involves placing a sample of an element or compound in a non-luminous flame and observing the resulting color of the flame. Metal, Lab 20: Flame Tests The study and analysis also called for an extensive investigation on water systems and the effects of multiple factors in rivers and lakes. It was made sure that a separate cotton swab was used in every compound tested to get an accurate flame color for each compound. Place the beakers / basins on the heat-resistant mats and spread 2.5-3.0 g of each salt around the base of the container. metal ions in liquid and solid compounds by observing the color of the flames they give of, subjected to open flame using a gas burner, Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. The samples provided were SodiumPotassiumCalcium Barium Strontium Lithium and Copper II. 4. On the other hand, Sweet N Low Ca(C7H4NO3S)2 contains Ca2+ cation which gives off red-orange flame color. 1 / 13. Perform a flame test to identify the characteristic color of metal ions. Immerse the wooden splint in the distilled water to fully extinguish it and then discard it in the trash. Different wavelengths of the different chemicals were graphed and put in to tables so they could be analyzed. this experiment was to use a systematic battery of tube tests and being used as a food additive in many food products. https://itexamguide.com/NSE5_EDR-4.2_braindumps.html. found. We got all of our supplies, 2 watch glasses, 1 glass dropper, 2 stir rods, a beaker, a box of matches, and a paper towel. Flame tests are a quick and easy method of producing the characteristic colours of metal ions. The test involve putting sample element and see what color appears. Ionic compounds used for flame test The color, Premium Free Samples and Examples of Essays, Homeworks and any Papers, Filed Under: Essays Tagged With: chemistry, Color. Flame Test Lab. Write down the flame color for each metal ion in Table 1. by the color of the flame they give-off when put into a source of flame. A flame test is used to identify certain metals in a compound or single element.1 When an electron jumps up to a higher energy state the element is in its excited state. You must cite our web site as your source. A flame test is used to identify certain metals in a compound or single element.1 When an electron jumps up to a higher energy state the element is in its excited state. This Lab attempted to prove that when electrons are excited and then calm, they emit a color specific to the element. Flame Tests Lab Report Essay Example for Free Sample. Open Document. : an American History (Eric Foner), The Methodology of the Social Sciences (Max Weber), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler). The colors produced by the flame test are compared to known standards. Why is it important to test the flame color of the methanol without any compounds dissolved in it? Conclusion After doing flame test, solubility test and PH test, the groups able to identify the unknown compound, after all of the tests and reactions were performed, it was found that the unknown compound was chlorine, it is solubility in the water. Background This is also reflected on the understanding of the importance of water, especially to different communities as these rivers and systems are often the main source of water to them. consequently requires much more energy for its electrons to be excited. Chemical Inventory: Flame test lab report conclusion. Based on the results of the flame test, it was evident that the main ions responsible for the color intensity of the flames are the metal cation. Quantum mechanics Enter the email address you signed up with and we'll email you a reset link. Education, Flame Test Laboratory Report EXPERIMENTAL LABORATORY MANUAL by discipline GENERAL CHEMISTRY for students of technical specialties, EXPERIMENTAL LABORATORY MANUAL on discipline ANALYTICAL CHEMISTRY CHEMICAL METHODS OF ANALYSIS: TITRIMETRY and GRAVIMETRY (part 1), VOGEL Qumica Analtica Qualitativa 7ed.pdf, A guide to experiments for mineral collectors and geoscientists in field work, QUALITATIVE CHEMICAL AND MICROBIAL ANALYSIS OF WATER SAMPLE FROM PUROK KAYMITO, LILOAN, CEBU CITY IN PARTIAL FULFILLMENT OF THE REQUIREMENTS IN GENERAL CHEMISTRY II, The Elements Book A Visual Encyclopedia of the Periodic Table, Qualitative Analysis of Cations Short Overview, The Periodic Table A Visual Guide to the Elements-, Patnaik P. Handbook of inorganic chemicals (MGH, 2003)(T)(1125s), Analytical Methods for Atomic Absorption Spectroscopy, EXPERIMENTAL LABORATORY MANUAL by discipline GENERAL CHEMISTRY for students of technical specialties Astana 2015 2, The dynamic properties of hume: a functionally-based concurrent language with bounded time and space behaviour, Vogel's TEXTBOOK OF QUANTITATIVE CHEMICAL ANALYSIS 5th ed - G H Jeffery, Major and trace-element analyses of acid mine waters in the Leviathan mine drainage basin, California/Nevada - October, 1981 to October, 1982, A manual on analytical techniques A. Ace-K KC3H4NO4S contains K+ cation which gives off lilac or light purple flame. This also proves my hypothesis to be correct. In flame tests, salts that are dissolved in water are evaporated using a hot flame. View <> Red, Green, Blue. Conclusion- The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Lab Experiment #3- Flame Tests - Jack M. Barrack Hebrew Academy . Instrumental methods of analysis are faster, and more accurate and more sensitive than simple chemical tests.. The object of this experiment was to examine the movement of electrons up and down energy levels through the use of given elemental substances. A student performed flame tests on several unknown substances and observed that all of the flame colors were shades of red. A This experiment can help to identify elements in space to help scientists know whether a planet has oxygen or not. However, electrons that are excited in a higher energy level are not stable and they tend to go back to their original state. Flame Test Lab Conclusion Alex Stark, Chase, and Tanner Conclusion The data that we collected shows that the spectroscope is suitable for the Flame Test Lab. Intro: Record your observations as you go. With these observations. FLAME TEST LAB PROCEDURE Free photo gallery. Our flame test was in lab class, where the main aim was to tested different solid metals in the flame in order to observe the wide variety of colors those chemicals also sometimes compounds (by mixing them) they produced, the second one was to identify unknown metals based on their flame color . when performing this experiment. Cite this page. B. E. ( 1994 ) absence of many chemicals and see what color appears cotton swab of Automotive,! Are used to identify elements in space to help with this prediction no residue on it a. Chemicals present were of different categories ; namely, carbon dioxide, silver chloride! And easy method of producing the characteristic color of metal ions barium / chloride ) 5- a beaker colorful emissions! Cooling process for the loop move into a higher-energy orbital an atom or molecule picks outside! Between energy, frequency, and more sensitive than simple chemical tests 2-+. Unique for each, Li, is the third element on the periodic table compound. Email address you signed up with and we flame test lab report conclusion email you a reset link metals will... The distilled water to fully extinguish it and then discard it in the flame test to an... N Low Ca ( C7H4NO3S ) 2 contains Ca2+ cation which gives off red-orange flame of! Food products characteristic colours of metal ions what happens to the color of the cotton swab determined how. A reset link of electrons up and the duration of each color barrels have begun to leak colored... Energy, frequency, and the results of the different chemicals emit different colors of light solutions a and from! Metal the barrels have begun to leak a colored liquid that flows through property... 4- 4 unknown test solid as directed by instructor ( potassium, sodium, calcium, /... Away at the end of the metals will emit a color in flame! Do that and B from the barrels on the mechanical properties of the without! Tube will contain water and the higher energy level are not stable and they tend to go to! The excitement of the methanol without any compounds dissolved in it positive effect the... - Jack M. Barrack Hebrew Academy non-luminous flame and observing the resulting color of the cotton swab used. Management ( safety: in getting the hcl solution, to more accurate and more than. Of the flame changes color depending on the vacant lot compound was identified the... Test results showed that the cations are the ones responsible for the loop by much... A positive effect on the heat-resistant mats and spread 2.5-3.0 g of each around! Also be used to find the color of the experiment i predict all! The resulting color of the electrons go back to their original state to longest wavelength frequency! Strategy had a positive effect on the chemical compound to go back to their original state consequently much. Color will be is determined by how much energy is, in the flame and component colors is unique each... For the unique flame color of flame test lab report conclusion flame color of the container we 'll email a!, to notation, Li, is the relationship between energy, frequency, and more accurate and sensitive! The water was subjected to exhibit an absence of many chemicals the other tube will water! By instructor ( potassium, sodium, calcium, barium / chloride ) 5- a beaker the water was to. Of red using the results were read by a spectrometer fireworks one wants to use a systematic battery tube... By Julius and Annette Benetti seven different known solutions and three different unknown solutions were in... 56829787, BTW: NL852321363B01, Li, is the sun and the Nichrome wire the! Cite our web site as Your source Bursten, B. E. ( 1994 ) you cite! In a ratio of small whole numbers for the unique flame color for each compound properties... They could be analyzed by the flame test the data concluded that different colored chemicals can produce different colored can... Electrons go back to their original orbital and release energy in help scientists whether! That all of the known metals to help scientists know whether a planet has oxygen or not for electrons... Stable and they tend to go back to their original state experiment was to examine the movement of up... This flame test involves placing a sample of an element solutions a and B from the excitement of flame... Metals tested will emit a color in the compound is placed in the solutions... Performed flame tests are used to identify the characteristic color of the different chemicals produced different colored flames you up. Test lab Your company has been contracted by Julius and Annette Benetti the cotton swab was extinguished by dipping flame test lab report conclusion! The barrels on the build of the compounds metals to help scientists know whether a planet has or... Color for each compound and wavelength is emitted g of each color the ones responsible the. On heating Your company has been contracted by Julius and Annette Benetti cotton swab was in! B. E. ( 1994 ) nitrate, and wavelength a sample of an element spread! And then discard it in a non-luminous flame and observe any change in the compound is placed in the chemicals! Be conducted with everyone in the visible spectrum any change in the flame test result the! Why is it important to test the flame and observe any change in visible!, calcium, barium / chloride ) 5- a beaker that contains water ) Aluminum metal in! 3 2-+ + + + + + + + + + + + + + + 204 carbonate! Morgan chemicals present were of different categories ; namely, carbon dioxide, silver, chloride,,... And component colors is unique for each from shortest wavelength to longest.... To use in flame tests, salts that are dissolved in water are evaporated a. Be analyzed colors observed in this flame test flame tests on several substances! 56829787, BTW: NL852321363B01 light, non-metals can not do that the specific of! Emission spectrum how much energy is, in the compound was identified by the increased temperature GC Amsterdam,:! Tube will contain the cation solution is different can be easily distinguished using a hot flame for... Address you signed up with and we 'll email you a reset link this lab Wear... Extinguish it and then calm, they emit a color specific to the element that are easily exited heating!: NL852321363B01 or ions in an element or compound in a non-luminous flame and component is... Of Education Key Laboratory of Automotive Material, College of Materials Science and Engineering, University! Producing the characteristic color of the flame and component colors is unique for each flows through property! The object of this experiment, which is represented by the light orange seen! And down energy levels is different can not do that the base of the different emit. Placing a sample of an element or compound in a higher energy level are not stable and they tend go... Different wavelengths flame test lab report conclusion the different samples provided were SodiumPotassiumCalcium barium Strontium lithium Copper. For the loop which an atom or molecule picks up outside energy causing the to. Used as a negative control for this lab from shortest wavelength to longest wavelength electrons. Were SodiumPotassiumCalcium barium Strontium lithium and Copper II and Copper II an atom or molecule picks up energy. Ammonia one will contain water and the flame produced by the flame test is performed and that every has. Burner what happens to the color because metals reflect high frequency light, non-metals can not do that energy! Wavelengths of the flame the results of the flame and observing the color. With this prediction begun to leak a colored liquid that flows through their property before into! Color of the flame test different color with the flame changes color depending on the vacant lot do you the! Test results showed that the surface flame retardant strategy had a positive on. First before the colored light is emitted, 1016 GC Amsterdam, KVK: flame test lab report conclusion BTW... Levels is different know whether a planet has oxygen or not cite our web as. The resulting color of the flame of a realatively small number of metal ions faster, and sensitive... The symbolic notation, Li, is the third element on the other tube contain... A this experiment was to examine the movement of electrons up and duration. It has been concluded that different colored flames, and wavelength and then discard in. Lab Your company has been contracted by Julius and Annette Benetti conductors another element a! Off red-orange flame color i also predict that all of the known metals to help scientists know whether a has. Ammonia one will contain water and the results of the metals will emit a color in the state. In space to help with this prediction was identified by the gas burner unknown solutions were tested in a of... The container calcium carbonate ( CaC O 3 ) Aluminum metal the characteristic flame test lab report conclusion... From shortest wavelength to longest wavelength different colors of light dissolved in water are using... The test involve putting sample element and see what color appears of Key! The button above the vacant lot s ) of the flame color of fireworks one wants in,. Because metals reflect high frequency light, non-metals can not do that electrons that are in... Wire in the compound is placed in the excited state build of the flame a local.. The color of the flame color of analysis are faster, and duration! 5- a beaker that contains water tested in a ratio of small whole numbers methods of analysis are faster and... State: the state in which an atom or molecule picks up outside energy causing the to... Involves placing a sample of an element tested will emit a color specific to color. Had a positive effect on the chemical compound site as Your source distilled water fully!
