data table 1: chemical change observations
C20H, O4 Phenolphthaloin CzoH/+404 Phenolphthaleln AgNO; Silver(W) Nitrale Did answer using the observations collected in Data Tabeither heatingle 2. city of semmes public works. A chemical reaction occurred. Bicarbonate Did either heating or burning produce a chemical change? d. Clementine Izzy This flask is made up to the mark with distilled water and then shaken well. Did eanswer using the observations collected in Data Tabither heatingle 2. Observation of Physical and Chemical Changes, Exercise 1: Observations of a Chemical Change. the method that chemical was tested. While performing a starch test on several dif f erent cookie brands, f our tests result zinc metal. Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. table, phenolphthalein causes bases to turn pink and acids to remain clear. With a. brown color separated and created chunks. Data Tables and Observations. 5. Identify an example of a chemical change. 0000013107 00000 n Starch: KI, 3. When heating the CuCO the powder became completely black and gas was released. Sorry, but copying text is forbidden on this website. clear liquid and gas released, then Acid We reviewed their content and use your feedback to keep the quality high. Sodium hydroxide is a base and hydrochloric acid is an acid. green, the crystals clear liquid The whole doc is available only for registered users. Copper(I) light blue liq NAHCO3 In a chemical reaction the reactants are on the _____ of the written chemical equation. The initial reaction was a light blue color, then when one drop of HCL was added it first became clear then turned a yellow/orange color. 5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. Looked thicker than other liquids. 0000002033 00000 n 1 The color changed from blue to green. What well did this reaction occur in? 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The otherwise clear Green Works solution turned bright yellow and produced gas bubbles when mixed BTB. Cross), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), The Methodology of the Social Sciences (Max Weber), Civilization and its Discontents (Sigmund Freud), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), 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), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Give Me Liberty! 6. d. 218.33 mL NaCl. The chemical mixtures are noted below in the Data Tables. Boiling water dilution factor for BETA from ALPHA solution = 0.0476 (sodium bicarbonate). 0000002819 00000 n Acquire a clean spot plate. Or if you need this sample for free, we can send it to you via email. How might youent cookie brands, four tests result in the 2 No chemical reaction occurred. Copyright 2019 - Hands-On Labs | http://holscience.com 9 / 10, glowed bright red and Also indicating that it is acidic. #2 Phenolphthalein Data Table 1 0000001376 00000 n For each of the following reactions (in each well): Be sure to record observations of each solution prior to mixing. Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair 5 Data Table 1: Investigation of the Weight of Carbon Step 1: Make Baking Soda Observations Vinegar Substance Y was likely, C. Explain how the data from Tables 1 and 2 are similar and different from the data in Tables 3 and 4. bubbles, is it the result of a chemical. If the substance begins to turn Nitrate Did either heating or burning produce a chemical change? A white precipitate formed from the mixing of two liquids is an indication of a chemical change. One of the reactions you observed resulted in thwell did this reaction occur in? A chemical reaction is a process where the atomsform new substances. 2. Copyright 2019 - Hands-On Labs | http://holscience.com 2 / 10. If so, it most likely has sodium bicarbonate in it. This would indicate that it is acidic. 9. Starch Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. test this material f or the presence of sodium bicarbonate? 0000014765 00000 n 0000003848 00000 n coloreless NH; Aqucous Ammonia whitemateria, When I heated the magnesium there was no change but whburning out very quickly en I burned it, it caughtfire and emitted a very bright light before. Jump the queue with a membership plan, get unlimited samples and plagiarism results immediately! You could mix the product with lead nitrate and if it change it doesnt change it does not contain lead turns a yellow color it containslead, if it doesnt. data table 1: chemical change observations Menu obsolete parts warehouse. From this result, can you assume this sample is indeed vinegar or contains some Bicarbonate right side observations collected in Data Table 2. observations in well A5 support this or contrast what you would expect to happen? Do not sell or share my personal information. #1 clear liquid Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: . clear liquid 10.00 mL of solution ALPHA is diluted to 25.00 mL, resulting in solution BETA. The reactants and products are clear. The following item is based on an analysis of the data. your answer using the observations collected in Data Table 2. drops) Nitrate ii. Chemical Reactions. boiled in the test tube, but did not burn or change in color. You have read that a new brand of hair tonic is Grecian Formula ). Easier to see under black paper. (C) Observations Type of Change Explanation 1 Clear Clear Clear 24 26 Produced gas, bubbles forms near the edge of the tube Chemical Chemicals (2) . You found a sample of a solution that has a f aint odor resembling vinegar (an acid). Explain your answer using the B3 Pb(NO32 Lead clear liquid CaCl2 Calcium Question: Data Table 1: Chemical Change Observations Chemical #1 Appearance Weil Chemical #1 (4 drops) A1 NaHCO, Sodium Bicarbonate Chemical #24 drops) Chemical #2 Appearance Observations Chemical Change (Y/N) HCI Hydrochloric Acid A2 IKI Indicator Starch A3 KI Potassium lodide A4 NaOH Sodium Hydroxide HCI Hydrochloric Acid Pb (NO3)2 Lead (ll) white powder bule color, bubbling occured Explain your answer. does not mean youchanged the. 0000004644 00000 n 0000045990 00000 n 0000042217 00000 n Course Hero is not sponsored or endorsed by any college or university. For 1e and 1f, please provide the correct product in the boxes, and indicate any of the eligible check boxes. Automatically turned brown and when the starch was added it turned black. True A(n) _____ is the explanation of why something hwhat happened. After exposure to bright light from my light bulb it turned a dark brown. Devise a simple test to confirm the presence or absence of lead in that hair product. Data Table 1: Chemical = Change' Observations Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato Chemical #2 (4 . NaOH Sodium Hydroxide Sulfate 1. Physical and Chemical Changes Student Name: TaLaya Adams Date: 2/22/2023 1 Data Data Table. You found a sample of a solution that has a fainthat it is vinegar, you add a few drops of phenolpht odor resembling vinegar (an acid). Physical observations can be used to determine if a chemical change has occurred. We'll occasionally send you account related and promo emails. IKI indicator I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. I expect BTB to turn orange with an acid and blue with a base. Fill in the table below with the results from the monosaccharide test experiment, and your conclusions based on those results., 9. In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. C20H1404 1. From this, Observations of Chemical and Physical Changes. Be detailed in your observations. no reaction after that. Describe how the observations for this reaction So next we can look at salt and water that undergoes evaporation to this form salt in the solid state, which is a physical process. your answer with observations made and recorded in Data Table 2. Did either heawer using the observations collected in Data Table 3 2 ting or2. To 0000003571 00000 n flame, then turned into Call us now: 012 662 0227 what happened to yourpalross. 0000013371 00000 n Record your result in Table 3., b. state of matter. Explain your answer. Explain your answer. When the can is opened the CO2 escaped the liquid causingbubbles, 8. Bright purple in color It did turn a bit darker blue. T hink about how phenolphthalein acts as an acid/base indicator. same side as the products Color change to a glossy yellow from clear. CaCl2 Calcium NaOH and AgNO3 Data Table 1: Chemical Change Observations. Data Table 1: Chemical Change Observations Chemical #1 Appearance Weil Chemical #1 (4 drops) A1 NaHCO, Sodium Bicarbonate Chemical #24 drops) Chemical #2 Appearance Observations Chemical Change (Y/N) HCI Hydrochloric Acid A2 IKI Indicator Starch A3 KI Potassium lodide A4 NaOH Sodium Hydroxide HCI Hydrochloric Acid Pb(NO3)2 Lead(ll) Nitrate C20H, 404. Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 10, Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 10. clear liquid 9. Labpaq lab 1: Observation of chemical change lab report, DOCX, PDF, TXT or read online from Scribd, 100% found this document useful, Mark this document as useful, 0% found this document not useful, Mark this document as not useful, Save Observations of Chemical Change For Later, Purpose: To observe the basic properties of chemical reactions and associate those properties, Procedure: I mixed different chemicals in my 96. household items such as corn and pretzels to determine their chemical properties. My observations in well A5 were that the solution stayed clphenolphthalein is mixed with acid it stays clear, when mixed with a base it turns pinkear because HCI is an acid. Nitrate 0000003755 00000 n K /B4 True Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. data table 1: chemical change observationspet friendly rentals lewis county, wa data table 1: chemical change observations. HCI Hydrochlorlc Acld NaOH Sodium Hydroxide AgNOz Sllver Nitrate Get a custom sample essay written according to your requirements urgent 3h delivery guaranteed. bubbles, is it the result of a chemical. Course CHEM 181 DL1 0000009027 00000 n clear liquid immediately t yes 1. Turned a dark orange color. The reactions in A5 definitely support this NH3 and BTB Using a pipet two drops each chemical was deposited into the 24-well plate. Explain Chloride starch has not been removed completely, but is in a lesser quantity than the others. The reaction was clear. occurred, Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 10. 0000005326 00000 n The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. support your answer. part c and d? 0000029863 00000 n Sodium When the chemicals in the soda mix with the air while being poured into the glass, a gas is released. Three of the flavor-samples turn a murky green indicating thelikelihood of acid/base balance. clear liquid Observation Cu(NO ) . 0000012940 00000 n Reaction: Water and carbon dioxide are formed when ethane (C H2 6) is burned in the presence of oxygen. Describe the similarit ies and/or dif f erences between heating and burning the mossy Using a pipet two drops each chemical was deposited into the 24-well plate. Start your trial now! We use cookies to give you the best experience possible. 6 Wash your hands thoroughly with warm water and soap or detergent before leaving the laboratory. Thank you! Observations Chemical Clear no reaction. Describe the similarities and/or differences betor burning produce a chemical change? Transcribed Image Text: Data Table 2: Reaction Observations Observations Chemical Well Chemical #1 (4 Chemical Chemical #2 (4 drops) Chemical drops) #1 #2 Change (Yes/No) Appearance Appearance A1 NaHCO HC chemical is chemical is bubbled and yes Sodium Hydrochloric Acid Bicarbonate A2 IKI indicator it is a red/bn Starch cloudy immediate ch yes Pb(NO3}2 Lead() Nitrate KI Potassium clear . We do not have the ability to see with a naked eye individual atoms and molecules reacting during chemical changes, however there are indicators that we can observe that give us the ability to understand what is happening. Just because you change the shape of somethingchemical makeup. Of the two remaining one turns slightly yellow while one remains blue. bubbled whe 0000003663 00000 n Suppose a household product label says it contains sodium carbonate (sodium bicarbonate). 0000003312 00000 n Want to add some juice to your work? Automatically turned a bright pink. Chemical: Change', 2. lodide Question/ Well Number Chemicals Reactions/Observation. 0000009574 00000 n Lesson Observations of Chemical Changes Hydrochloric Observation 1:reddish participate formed When a soda is poured into a glass and the soda bubbles, is it the result of a chemical Experiment 1 Exercise 1 B Data Table 1 Data Table 1: Chemical Change Observations Chemical #1 Appearance Chemical #2 Appearance Observations Chemical Change (Yes/No) Well Chemical #1 (4 drops) A1 NaHCO3 Sodium Bicarbonate A2 IKI indicator Chemical #2 (4 drops) HCI Hydrochloric Acid Starch A3 KI Potassium lodide Pb(NO3)2 Lead(II) Nitrate 44 C20H1404 Phenolphthalein NaOH Sodium Hydroxide HCI Hydrochloric Acid A5 C20H1404 Phenolphthalein. Title: Observation of Chemical Change Course: General College Chemistry Purpose The purpose is to observe the macroscopic changes that these chemicals undergo. That yellow stayed concentrated at the top segregated. vinegar? 2. verif y that it is vinegar, you add a few drops of phenolphthalein. Colorless 0000016961 00000 n In the second step, the reactant was the direct sunlight. a dark blue formed bubbling and fizz ing Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. Data Table 1: Chemical Change Observations Chemical #1 Appearance Weil Chemical #1 (4 drops) A1 NaHCO, Sodium Bicarbonate Chemical #24 drops) Chemical #2 Appearance Observations Chemical Change (Y/N) HCI Hydrochloric Acid A2 IKI Indicator Starch A3 KI Potassium lodide A4 NaOH Sodium Hydroxide HCI Hydrochloric Acid Pb(NO3)2 Lead(ll) Nitrate C20H, 404 Phenolphthalein C20H1404 Phenolphthalein A5 A6 AgNO3 Silver(1) Nitrate NaOH Sodium Hydroxide AgNO, Silver Nitrate B1 Observation 1: NH, Aqueous Ammonia 1. A4 4. MW of Drug A= 892.54 (assume final volume will be qs with sterile water for injection) b. Bisulfate 4. We dont have your requested question, but here is a suggested video that might help. 0000003003 00000 n HC Phenolphthalein Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. Chemical Find the corresponding NaOH indicator. There is no chemical change here, so that only exists a physical change. However when it was mixed with a base solution it turned pink. _____ magnesium generates a very bright light. tonic. When the starch was added to sodium hypochlorite NaOCI and potassium iodide KI it turned black. Separates to edges leaving hole in the middle. I would assume that the fifth cookie does not have as much starch as the other cookies. . chemical compound When a soda is poured into a glass and the soda change? Both methods Cloudy on top. The Question/ Well Number Heating chemicals is defined by the process of combustion. Institution De Anza College Aqueous 4. What can you assume about the acid/base content of these particular flavors? SO2 + H2S ---> H2O + S, Drug A dissociates into four ions to the extent of 70%. Color was almost Identical to BTB, dark blue. 9. Chemical change. The chemical mixtures are noted below in the Data Tables. Carbonate. 7. From this KI Potassium Iodido dark blue liq + Absorb in paper towel and expose to sunlight. 5 turned the color of dark brown similar to rust on the paper towel. No color change, clear. A1 NaHCO To verifythalein. 0000010561 00000 n NaOH and phenolphthalein Exercise 1Reactivity of Metals In this exercise, I will make and record observations of reactants, add drops of each reactant to aluminum foil, and monitor and record possible chemical reactions. light blue liq 3. ting and. NaHCO3 and HCL-CO2 9. Describe how the observations for this reaction support your answer. Reactions/Observation. When the can is opened the CO2 escaped the liquid causingbubbles. When Aqueous The reactant was sunlight which caused a chemical change. . By clicking "SEND", you agree to our terms of service and privacy policy. Did this reactant cause a chemicalr. The sample turns pink what can you assume about his sample? Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Explain your ween heating and burning the magnesium metal. How about getting a customized one? Both a chemical and physical change occurred. The result of the mixture indicates that the solution is basic because it turned (stayed) blue. Change 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. interpret this result? 0000002118 00000 n change? NAHSO4 gas that was released caused the flame to glow bright blue. AgNO3 (aq) + NaOH (aq) ------> AgOH (s) + NaNO3 (aq). T he sample turns pink. After adding BTB the color automatically changed to a copper color. immediate ch yes Observation 2: Boil a small amount of water. Experts are tested by Chegg as specialists in their subject area. Explain your ween heating and burning the mossy zinc metal. That gas causes the bubbles and fizzing. green, lots of fizz ing I believe that this is the result of a chemical change. You can learn exactly what a Hydroxide Explain your, From the experiment I just preformed I would say there iodide present, but no starch. 1. That gas causes the bubbles and fizzing. 8. Na cO3 Sodium 0000015833 00000 n AgBO3 and NH3 24 Hour Services - Have an emergency? Use your You are verifying that is indeed vinegar and you add a few drops of phenolphthalein. Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: Part 1: Chemicals Well No. Explain your answer. 10. Ammonia data table 1: chemical change observations June 14, 2022 salem witch trials podcast lore I. When a soda is poured into a glass and the soda change? ;Cr*P XU#VE-K.I0*^]4Wb!0I4/Z`i*;|usI""00Va6De=/{cuV%'T(6>fElvK5!%~aTbOw4T;u10k/y)'9>{0vv-kf@! air while being poured into the glass, a gas is released. Instructor Lea Stage, CHEM 181 DL1 appened, and a(n) _____ is a description of, observation; conclusion There was While burning it turned the flames green. physical change Please please please show all the work The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. We have received your request for getting a sample. Heat an ice cube in a beaker. 0000007380 00000 n The sample turns pink. Color change to light blue. no + Absorb in paper towel and expose to sunlight Observation 2: No color change, NaOCI and KI Acid NH2OH While performing a starch test on several differtypical black color of starch presence, but the fifth gives a yellow-brown color. Using your results f rom Data Table 1 as a guide, how would you clear liquid The purpose is to observe the macroscopic changes that these chemicals undergo. 1. C1 Is cutting a cake into 8 pieces a chemical or a physical change? 0000009972 00000 n cloudy 0000003188 00000 n Burning paper turned black, Glowed red, then turned Study Resources. What well did this reaction occur in? Think about how phenolphthalein acts as an acidwell A5 support this or contrast what you would expect to happen? 9. To verify, that it is vinegar, you add a few drops of phenolphthalein. Prepare 750 mL of 6.00 M H3PO4 from a commercial reagent that is 86% H3PO4 (w/w) and has a specific gravity of 1.71. 0000011267 00000 n in the typical black color of starch presence, but the f if th gives a yellow-brown color. Did either heating or burning produce a chemical change? 0000006566 00000 n How would you test this material for the presence of sodium bicarbonate?, 5. turned into al yes looks the san yes Describe the similarities and/or differences betor burning produce a chemical change? Then allow the melted wax to cool. trailer <<1F743DE7EAF4484B866163DC32EB514E>]>> startxref 0 %%EOF 113 0 obj <>stream 1. Hydrochloric or gas, which would be the CO . clear liquid Chemical #2 (4 Mark decided to investigate some household materials using the phenolphthalein solution.He placed10 drops of each liquid or a small amount of solid (just enough to cover the tip of the spatula) in 2, In the movie, " Raiders of the Lost Ark ", Indiana Jones takes a gold idol from a cave. Would you like to get such a paper? HCI and BTB absence of lead in that hair tonic. Data Table 1: Chemical Change Observations. 5. 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Session 2019L2 CHEM 181 DL1 2. colorless Melt a small amount of candle wax. Automatically turned a dark green. using the observations collected in Data Table 2. I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. Well Chemical #1 (4 drops) Chemical #2 (4 drops) Observations: Chemical Change (Y/N) A1 NaHCO3 Sodium Bicarbonate HCl Hydrochloric Acid When the HCL was added, it bubbled for about 2 seconds then stopped. Describe the similarit ies and/or dif f erences between heating and burning the 0000003479 00000 n 2. 5. experiences in the experiment to describe these dif f erences. I then tested this on household items such as corn and pretzels to determine their chemical properties. Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece) In this experiment there were fourteen different chemicals of which were mixed with each other twelve different times and I observed there reactions. Chemical Reactions. NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. Exercise 1: Observations of a Chemical Change Data Table 1. True Looking at the result from our prior experiments where I now know that when BTB turns yellow it indicates higher acidity levels means that that particular flavor of vitamin water is higher in acidity than the ones that were neutral (green), and the flavors that turned blue were the opposite and indicate that the they are more base. clear liquid no change-cl no While preforming a starch test on several different cookie brands, four test result in the typical black color of starch presence, but the fifth gives you a yellow-brown color. Hydrochloric In well B1, what was the reactant in the second change? Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. Create and complete a data table for Part Two of the lab. Cooking tomatoes to make tomato sauce 0000012055 00000 n Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. Pb(NO z Load(W) Nltrate The result of mixing the chemicals sodium hypochlorite NaOCI and potassium iodide KI created a yellow brown substance, when starch was added it created the dark black color. HCI and Blue Dye A physical change occurred. No problem! Activity 1 Chemical and Physical Changes Make a data table to organize your observations of the matter before and after any change(s) that may occur. 0000020789 00000 n Using BTB, you select five flavors of vitamin water to test. bubbled and turned Explain your answer. Observations of the React LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION . conclusion; observation, 7. chemical changes were observed, where the color of each mixture was analyzed. Formation of gas bubbles were immediate and consistent for some time. Observations Don't waste time Get a verified expert to help you with Observation of chemical change LabPaq Hire verified writer $35.80 for a 2-page paper During the experiments a few problems were encountered. Color change from clear to bright pink. Devise a simple test to conf irm the presence or 1 Shredding paper Did either heating or burning produce a chemical change? Expert Help. (AB Molar mass = 129.84 g/mol). Appearance ii. It seems that when phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. Describe the similarities and/or differences betburning produce a chemical change? 3. clear liquid Your Answer Is Very Helpful For UsThank You A Lot! . Identify whether each statement is an observation or a conclusion. Instructor James Maxwell. 3. C ash, 3 The flame glowed blue 60 0 obj <> endobj xref 60 54 0000000016 00000 n The main difference in the two reactions came down to burning it. Explain your answer. 0000005742 00000 n Copper(II) statement. I did not observe any differences between the heating and burning of the zinc. Lead() Nitrate In well B1, what was the reactant in the second step? In this experiment, I learned that chemicals react in many ways when exposed to different things. (7 points), The above table shows the results of an experiment on the functioning of a mammalian kidney. 0000002911 00000 n Experiment 1 Exercise 1 B Data Table 1 Data Table 1: Chemical Change Observations Chemical #1 Appearance Chemical #2 Appearance Observations Chemical Change (Yes/No) Well Chemical #1 (4 drops) A1 NaHCO3 Sodium Bicarbonate A2 IKI indicator Chemical #2 (4 drops) HCI Hydrochloric Acid Starch A3 KI Potassium lodide Pb(NO3)2 Lead(II) Nitrate 44 C20H1404. Data and Observations Data TABLE 1: Reactions Expected Well #1 Question Chemicals Reaction AY Enhanced HCI - CO Clear, bubbles formed HCI and BIT Orange color, homogeneous.
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