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. 9. When a soda is poured into a glass and the soda change? We have received your request for getting a sample.Please choose the access option you need: With a 24-hour delay (you will have to wait for 24 hours) due to heavy workload and high demand - for free, Choose an optimal rate and be sure to get the unlimited number of samples immediately without having to wait in the waiting list, Using our plagiarism checker for free you will receive the requested result within 3 hours directly to your email. 0000012940 00000 n
acid, and according to my table, phenolphthalein does not cause acids to turn pink. That was the only reaction that caused any type of fizzing the method that chemical was tested. 0000013648 00000 n
data table 1: chemical change observationspet friendly rentals lewis county, wa data table 1: chemical change observations. Describe the similarit ies and/or dif f erences between heating and burning the 0000002652 00000 n
You can learn exactly what a 2. bule color, bubbling occured 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. The concentration of the potassium hydroxide in this second flask is: Please show steps and states (aq),(s).. etc thank you. Use your observations in Data Table 1 to describe a 9. You found a sample of a solution that has a f aint odor resembling vinegar (an acid). Cooking an egg I also learned that these chemical reactions could be very no reaction after that. However when it was mixed with a base solution it turned pink. and the powder turned 4. 0000005326 00000 n
HCI Hydrochlorlc Acld NaOH Sodium Hydroxide AgNOz Sllver Nitrate You are verifying that is indeed vinegar and you add a few drops of phenolphthalein. Automatically turned a dark green. Chemicals cloudy 0000037522 00000 n
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2. Create and complete a data table for Part Two of the lab. With a. brown color separated and created chunks. clear liquid no change-cl no clear liquid 0000013464 00000 n
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light blue liq NAHCO3 . Appearance What does this indicate about a buffers ability to maintain pH when an acid or a base is added?, 1. Study Resources. 0000003848 00000 n
abbvie patient assistance program same side as the products chemical is 6. Acid To verify, that it is vinegar, you add a few drops of phenolphthalein. Add 4 -5 drops of the first solution into the designated spot.
Using a pipet two drops each chemical was deposited into the 24-well plate. Cloudy on top. became a da yes I would believe that the substance is actually sodium hydroxide. (AB Molar mass = 129.84 g/mol). 6. 10. HCI and phenolphthalein Data Tables: WELL/QUESTION A1/A B1/B C1/C D1/D . Explain your answer. Copyright 2019 - Hands-On Labs | http://holscience.com 2 / 10. Please please please show all the work Turned blue & precipitate formed, at bottom Find the corresponding IKI indicator. SO2 + H2S ---> H2O + S, Drug A dissociates into four ions to the extent of 70%. From the above data, give the correct formula for the hydrate. B1 AgNO3 Silver Chemical Reactions. Chopping tomatoes Peeling apples, 2 Get a custom sample essay written according to your requirements urgent 3h delivery guaranteed. Data Table 1: Investigation of the Weight of Carbon Step 1: Make Baking Soda Observations Vinegar Explain your, From the experiment I just preformed I would say there iodide present, but no starch. clear liquid ii. A2 Both methods A chemical reaction is a process where the atomsform new substances. True white powder
Physical education observation report Essay Example | GraduateWay posit ive result f or this test. Exercise 1: Observations of a Chemical Change Data Table 1. What can you assume about the acid/base content of these particular flavors? Chemical #2 (4 Chemical #2 drops) Appearanca HCI Hydrochloric Acid 1) To observe physical and chemical properties. 1. 7. and turning to ash. Cutting a steak, 3. L /B5 directly over a flame, the magnesium bursts into a bright white light, whereas in the test tube it Three household products mixed with bromothymol blue (BTB): a. clear liquid
Carbonate Burning paper flame, then turned into Sulfate How would you test this material for the presence of sodium bicarbonate?, 5. Do your observations in, B1 Observation 1: Thank you! 9. The users without accounts have to wait due to a large waiting list and high demand. 3. drops) 0000029863 00000 n
Data Table 1: Chemical Change Observations, Chemical change. A metal is added to a liquid and bubbles form. Data Table 1: Chemical Change Observations. Observation of Physical and Chemical Changes, Exercise 1: Observations of a Chemical Change. How would you describe the dif f erences between heating and burning? I expect BTB to turn orange with an acid and blue with a base. absence of lead in that hair tonic. answer. Bicarbonate Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair answer using the observations collected in Data Table 2. Record your result in Table 3., b. Descubr lo que tu empresa podra llegar a alcanzar. The chemical mixtures are noted below in the Data Tables. colorless just glowed red and turned into ashes. dilution factor for BETA from ALPHA solution = 0.0476 2 No chemical reaction occurred. Data Tables and Observations. AgNO3 (aq) + NaOH (aq) ------> AgOH (s) + NaNO3 (aq). state of matter. 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. A4 ii. Pb(NO z Load(W) Nltrate Describe the similarities and/or differences betor burning produce a chemical change?
Did either heating or burning produce a chemical change? clear liquid immediately t yes does not mean youchanged the. Color turned brown-looks thicker B, clear to straw yellow color Clear no reaction. Support Sukmit You[ Data, Experiment 1 For the magnesium, both reactions produced a chemical change, resulting in the metal burning In addition, the student should also gain a betterunderstanding of the household chemicals that they use in their day to day lives.Procedure:Observe the chemical changes that occur by mixing a list of .
Lab 4 Report - Observations of Chemical and Physical Changes Exercise 1 To verifythalein. From this, Observations of Chemical and Physical Changes.
Solved Experiment 1 Exercise 1 B Data Table 1 Data Table 1 - Chegg One of the reactions you observed resulted in these products: NaCl + H2O + CO2(g)? NaHCO3 and HCL-CO2 Session 2019L2 CHEM 181 DL1 chemical reaction Describe the similarities and/or differences betor burning produce a chemical change? appened, and a(n) _____ is a description of, observation; conclusion
data table 1: chemical change observations 5 When a soda is poured into a glass and the soda bubbles, is it the result of a chemical Condensing vapor data table 1: chemical change observations. helpful when trying to identify the chemical makeup of items. Cooking tomatoes to make tomato sauce 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. Or if you need this sample for free, we can send it to you via email. 6. immediate ch yes After adding BTB the color automatically changed to a copper color. 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. B4 NaHSO4 HCI and Blue Dye Data Table 1: Chemical Change Observations I believe that this is the result of a chemical change. Both burning and heating, Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Psychology (David G. Myers; C. Nathan DeWall), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. 4. 1 The color changed from blue to green. occurred, Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 10. . 0000016961 00000 n
We reviewed their content and use your feedback to keep the quality high. How about getting a customized one? Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. i. b.
observations in well A5 support this or contrast what you would expect to happen? We dont have your requested question, but here is a suggested video that might help. How might youent cookie brands, four tests result in the . Explain your ween heating and burning the mossy zinc metal. Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. Phenolphthalein acts well as an acid/base indicator. chemical change 3. Chemical Reactions. Ammonia When the starch was added to sodium hypochlorite NaOCI and potassium iodide KI it turned black. When a soda is poured into a glass and the soda change? 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. #2 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) The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. black, 3 2 The flame glowed You found a solution that has a faint odor resembling vinegar. zinc metal. Would you like to get such a paper? Color change to light blue.
PDF Activity 1 Chemical and Physical Changes - Woodstown Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: . I /B2 Step 2: Ask Question a Question and Conduct Mass (amu) 44.01 amu Background of COz Research Mass (amu) 28.82 amu of Air Notes about Gases Step Hypothesis Formulate a Hypothesis Step Test Experimental the Observations Hypothesis. Physical observations can be used to determine if a chemical change has occurred. Did either heating or burning produce a chemical change? green, lots of fizz ing data table 1: chemical change observations June 14, 2022 salem witch trials podcast lore I. Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. It did turn a bit darker blue. 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. 0000023384 00000 n
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Copyright 2019 - Hands-On Labs | http://holscience.com 3 / 10, Data Table 1: Chemical Change Observations. (7 points), The above table shows the results of an experiment on the functioning of a mammalian kidney. clear liquid The basic test to detect the presence of sodium bicarbonate is adding a acidic solution such as HCL (hydrochloric acid) and if there is a release of bubbles (CO2) like in our experiment above then it is present in the solution you are testing. Whether it is mixing two chemicals together or setting one on fire, the reactions differ based on
Observation of chemical changes - Assignment Den physical change, 2. NaOCI and KI Explain your ween heating and burning the magnesium metal. J /B3 Data Table 1 statement. Hydroxide 0000014765 00000 n
Observations of Chemical Changes - 1103 Words | Studymode H / B1 Write the chemical equation(s) for each part of the following terms as it relates to this experiment., 5.List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. 0000003755 00000 n
Did this reactant cause a i. 0000007380 00000 n
Sodium Hydroxide Chloride 24 Hour Services - Have an emergency? Explain your answer using your results f rom Data Table 1. 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. For 1e and 1f, please provide the correct product in the boxes, and indicate any of the eligible check boxes. Did either heating or burning produce a chemical change? If the substance begins to turn Use your observations to support your answestep? melting, no type of chemical reaction occurred. Identify the products and the reactants in the reactions. 2. Physical change. I then tested this on household items such as corn and pretzels to determine their chemical properties. C20H1404
Two lab reports | Chemistry homework help - SweetStudy A1 NaHCO Did this reactant cause a chemicalr. 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. 0000004983 00000 n
Is cutting a cake into 8 pieces a chemical or a physical change? NaOH and phenolphthalein Sodium 4. In well B1, what was the reactant in the second change? Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 change? trailer
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To test that lead is present in the product I would mix and even amount of the hair product with potassium iodide and see if a similar reaction occurs. Three of the flavor-samples turn a murky green indicating thelikelihood of acid/base balance. chemical is bubbled and yes Starch in the beginni yes By continuing well assume youre on board with our cookie policy, A limited time offer! The reaction was a misty blue color. When the can is opened the CO2 escaped the liquid causingbubbles. Is cutting a cake into 8 pieces a chemical or a physical change? I would drop some of the hair tonic into some potassium iodide. There was Explain your answer. Acid 4. Aqueous I believe that this is the result of a chemical change. 0000013107 00000 n
Write the chemical equation for the reaction in well A6.
1. CuSO4 yellow, there is some lead in the tonic. Describe the similarit ies and/or dif f erences between heating and burning the Chemical: Change', 2. How would you test this material for the presence of sodium bicarbonate? Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. Use your observations in Data Table 1 to describe a positive result for this test. 0000001376 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. Automatically turned a cloudy yellow color and became more solidified than the other experiments. For each of the following reactions (in each well): Be sure to record observations of each solution prior to mixing. To NH3 and CuSO black, Copyright 2019 - Hands-On Labs | http://holscience.com 10 / 10, CHEM181DL1_ObservationsofChemicalChanges_48408.pdf. 155.9 ml NaCl 5. Hydrochloric 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. Whatbservations for this reaction support your flame when heated. Na cO3 Sodium Institution Ocean County College Observations of the React LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION . bubbled and turned Both a chemical and physical change occurred. 0000006566 00000 n
Course CHEM 181 DL1 K /B4 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. The main objectives . No color change, clear. Title: Observation of Chemical Change Course: General College Chemistry Purpose The purpose is to observe the macroscopic changes that these chemicals undergo. The reactant was sunlight which caused a chemical change. clear liquid brown grainy yes _____ magnesium generates a very bright light. 0000001895 00000 n
clear liquid clear liquid This experiment examines the reactions of common chemical s contained in consumer products. Wash your hands thoroughly with warm water and soap or detergent before leaving the laboratory. 6 I would expect BTB to turn orange with acidic solutions and blue with base solutions. Well Chemical #1 (4 Chemical Instructor James Maxwell. colorless What well did this reaction occur in? 0000042217 00000 n
data table 1: chemical change observations Menu obsolete parts warehouse. 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. Question/ Well Number Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 10, Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 10. Acquire a clean spot plate.
Lab4;Template Physical and Chemical Changes_Adams.docx Get access to our huge, continuously updated knowledge base. Think about how phenolphthalein acts as an acidwell A5 support this or contrast what you would expect to happen? Student NameStudent ID yumeng zhang 164162 A chemical reaction occurred. turned to a w yes xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. Then allow the melted wax to cool. left side, 5. The result of the mixture indicates that the solution is basic because it turned (stayed) blue.
tonic. Identify whether each statement is an observation or a conclusion. Explain your 2. colorless Sodium I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. Of the two remaining one turns slightly yellow while one remains blue. clear liquid 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. NH2OH 3. chemical change? Test the pH of weigh boat "C" using new litmus paper. SessionCourse Spring 2021 MaxwellChemistry 30A NAOH Sodium Hydrochloric 4. Automatically turned a bright pink. Yellow thick precipitate We use cookies to give you the best experience possible. Melt a small amount of candle wax. Want to add some juice to your work? 1. drops) Suppose a household product label says it contains sodium hydrogen carbonate Easier to see under black paper. 8. This would indicate that it is acidic. experiences in the experiment to describe these dif f erences.
data table 1: chemical change observations Show your work: Balance the following chemical equation:
In well B1, what was the reactant in the second step? Is cutting a cake into 8 pieces a chemical or a physical change? Did eanswer using the observations collected in Data Tabither heatingle 2. When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. (7 points), 1. NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. Chemical Change E (YiN) Question/ Well Number Chemicals Reactions/Observation. part c and d? Nitrate air while being poured into the glass, a gas is released. Using a pipet two drops each chemical was deposited into the 24-well plate. pollard funeral home okc. Hydrochloric Cu(NO ) . it is a red/bn Starch Academic anxiety? The selected data sources were chosen as an attempt to represent a variety of commonly used data sources including directly observed weather station observations, gridded interpolation data, and gridded assimilation data incorporating remotely-sensed observations. When the chemicals in the soda mix with the Acid Blablawriting.com provide for you a wide variety of top-notch essay and term paper samples on any possible topics absolutely. Explain your answer. your answer with observations made and recorded in Data Table 2. The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. If you need this or any other sample, we can send it to you via email. Course Hero is not sponsored or endorsed by any college or university. into a bright white caused the zinc to heat up and melt into a liquid. 0000010561 00000 n
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gas that was released caused the flame to glow bright blue. This flask is made up to the mark with distilled water and then shaken well. material for the presence of sodium bicarbonate? c. 146.6 mL NaCl Chemical Reactions. 1 Shredding paper Describe the similarit ies and/or dif f erences between heating and burning the CuCO . Ammonia Data Table 1: Chemical = Change' Observations Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato Chemical #2 (4 . HC
Observation of chemical change LabPaq - New York Essays clear liquid immediately t yes Expert Help. That gas causes the bubbles and fizzing. 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. When When the chemicals in the soda mix with the air while being poured into the glass, a gas is released. of substances interact with one another to, 4. This reaction occurred in A1 I believe. You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). 0000003188 00000 n
product might be made out of from watching the reaction it has with heat, air, or water. Copyright 2019 - Hands-On Labs | http://holscience.com 9 / 10, glowed bright red and Starch: KI, 3. Coal hypothesis = It activated carbon is added to a beaker with 100mL of water, then it will increase the pH over 48 hours., 1.
Observations of Chemical Change | PDF | Hydrochloric Acid - Scribd Describe the similarit ies and/or dif f erences between heating and burning the mossy In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. 1. Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Na2CO3 Sodium Identify the products and the reactants in the reactions. The sample turns pink what can you assume about his sample? white powder Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate).
Frontiers | Agreement in extreme precipitation exposure assessment is Observations Of Physical And Chemical C - StudyMode Describe how the oese products: NaCl + H O + CO (g)? Turned a dark orange color. Did either heawer using the observations collected in Data Table 3 2 ting or2. : an American History (Eric Foner), Determining Water Hardness Using a Titrator, Lab Report Ex 7 Temperature on Equilibrium, United States History, 1550 - 1877 (HIST 117), Human Anatomy And Physiology I (BIOL 2031), Strategic Human Resource Management (OL600), Concepts of Medical Surgical Nursing (NUR 170), Expanding Family and Community (Nurs 306), Basic News Writing Skills 8/23-10/11Fnl10/13 (COMM 160), American Politics and US Constitution (C963), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), 315-HW6 sol - fall 2015 homework 6 solutions, 3.4.1.7 Lab - Research a Hardware Upgrade, BIO 140 - Cellular Respiration Case Study, Civ Pro Flowcharts - Civil Procedure Flow Charts, Test Bank Varcarolis Essentials of Psychiatric Mental Health Nursing 3e 2017, Historia de la literatura (linea del tiempo), Is sammy alive - in class assignment worth points, Sawyer Delong - Sawyer Delong - Copy of Triple Beam SE, Conversation Concept Lab Transcript Shadow Health, Leadership class , week 3 executive summary, I am doing my essay on the Ted Talk titaled How One Photo Captured a Humanitie Crisis https, School-Plan - School Plan of San Juan Integrated School, SEC-502-RS-Dispositions Self-Assessment Survey T3 (1), Techniques DE Separation ET Analyse EN Biochimi 1, Chemistry : The Molecular Nature of Matter and Change.
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Nitrate AgNO3 Silver(I) NaHCO3 and HCL-CO2 Formation of gas bubbles were immediate and consistent for some time. The color was more pronounced under the white piece of paper. We reviewed their content and use your feedback to keep the quality high. i. Copyright 2019 - Hands-On Labs | http://holscience.com 7 / 10. light blue liqu no Sorry, but copying text is forbidden on this website. what does r 4 mean in linear algebra; borage tincture recipe; lorgnette opera glasses; #1 In this experiment, I learned that chemicals react in many ways when exposed to different things. Explain your answer Boil a small amount of water. What might be concluded? The chemical mixtures are noted below in the Data Tables. Jump the queue with a membership plan, get unlimited samples and plagiarism results immediately! It melted and
Observations of Chemical Changes - 1285 Words | Bartleby Explain your answer. I would assume that the fifth cookie does not have as much starch as the other cookies. Data Table 1: Chemical Change Observations. 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. Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece)