Using BTB, you select five flavors of vitamin water to test. clear liquid clear liquid brown grainy yes 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. Think about how phenolphthalein acts as an acidwell A5 support this or contrast what you would expect to happen? became a white ash, 3 2 Melted and turned was sodium hypochloriteand potassium. 1. 0000003479 00000 n For 1e and 1f, please provide the correct product in the boxes, and indicate any of the eligible check boxes. 3. Both methods Identify an example of a chemical change. Only the users having paid subscription get the unlimited number of samples immediately. #1 clear liquid Explain your answer. a. C20H, O4 Phenolphthaloin CzoH/+404 Phenolphthaleln AgNO; Silver(W) Nitrale A / A1. 6 Boil a small amount of water. That yellow stayed concentrated at the top segregated. A chemical reaction occurred. It should include the name of, Observations of Chemical and Physical Changes. Course Hero is not sponsored or endorsed by any college or university. Explain 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. 62.37 mL NaCl Or if you need this sample for free, we can send it to you via email. 0000005326 00000 n While the data sources included here represent a non-exhaustive list of those . 8. HC Sodium The b. 8. Blablawriting.com provide for you a wide variety of top-notch essay and term paper samples on any possible topics absolutely. and gas released, then Test the pH of weigh boat "C" using new litmus paper. Would you like to get such a paper? Explain your, From the experiment I just preformed I would say there iodide present, but no starch. Acquire a clean spot plate. yes While performing a starch test on several differtypical black color of starch presence, but the fifth gives a yellow-brown color. I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. When the can is opened the CO2 escaped the liquid causingbubbles, 8. Thank you! When You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). HCI Hydrochlorlc Acld NaOH Sodium Hydroxide AgNOz Sllver Nitrate Describe how the observations for this reaction I would expect BTB to turn orange with acidic solutions and blue with base solutions. Chemical Reactions. Hi there! chemical is Hydroxide Physical change. 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. I also learned that these chemical reactions could be very L /B5 caused the zinc to heat up and melt into a liquid. dilution factor for ALPHA from stock solution = 0.167 NAOH Sodium Using a pipet two drops each chemical was deposited into the 24-well plate. NaOH Sodium Hydroxide flame, then turned into Is cutting a cake into 8 pieces a chemical or a physical change? NaOCI and KI HCI and BTB 60 0 obj <> endobj xref 60 54 0000000016 00000 n Experts are tested by Chegg as specialists in their subject area. Obsarvation the method that chemical was tested. Do your Did this reactant cause a chemicalr. The purpose is to observe the macroscopic changes that these chemicals undergo. pollard funeral home okc. Burning paper CaCl2 Calcium Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair Sulfate Combustion occurred. Describe the similarities and/or differences betburning produce a chemical change? conclusion; observation, 7. Did either heating or burning produce a chemical change? Explain your answer. Sodium 0000013740 00000 n Combining dry ingredients (flour, salt, sugar,baking powder) when making muffins yellow, there is some lead in the tonic. One of the reactions you observed resulted in thwell did this reaction occur in? turned the color of dark brown similar to rust on the paper towel. clear liquid Identify the chemical in the table. Describe how the oese products: NaCl + H O + CO (g)? clear liquid test this material f or the presence of sodium bicarbonate? T hink about how phenolphthalein acts as an acid/base indicator. When burning the chemical, the powder still turned black but (I assume) the 0000002525 00000 n 0000020326 00000 n 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. 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. + Absorb in paper towel and expose to sunlight. Of the two remaining one turns slightly yellow while one remains blue. 50.00 cm3 of a 1.5784 mol.dm-3 solution of potassium hydroxide is transferred to an empty 700.00 cm3 volumetric flask. Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. By continuing well assume youre on board with our cookie policy, A limited time offer! HCI and Blue Dye Chemical Reactions. 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. What well did this reaction occur in? Pb(NO z Load(W) Nltrate 0000004983 00000 n Record observations of this solution in your data table. False. 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 . 1. chemical reaction Do not sell or share my personal information. 9. Use your observations in Data Table 1 to describe a turned black, Glowed red, then turned c. 146.6 mL NaCl Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato T he sample turns pink. Color was almost Identical to BTB, dark blue. Label each substance on seven pieces . Explain your answer. clear liquid drops) Heat an ice cube in a beaker. No color change, clear. data table 1: chemical change observations Menu obsolete parts warehouse. immediate ch yes By clicking "SEND", you agree to our terms of service and privacy policy. 1. Add 4 -5 drops of the first solution into the designated spot. 9. Colorless The main difference in the two reactions came down to burning it. Cu(NO ) . Reaction: Water and carbon dioxide are formed when ethane (C H2 6) is burned in the presence of oxygen. We have received your request for getting a sample. Observation 2 after sunlight: turned darker cloudy NaOH: NaOH, Educator app for Course CHEM 181 DL1 The following item is based on an analysis of the data. Data Table 1: Chemical Change Observations. 3. That gas causes the bubbles and fizzing. I believe that this is the result of a chemical change. Sodium Student NameStudent ID yumeng zhang 164162 Data Table 1: Chemical = Change' Observations Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato Chemical #2 (4 . Copyright 2019 - Hands-On Labs | http://holscience.com 9 / 10, glowed bright red and Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. : 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. Observations Copper(I) Aqueous The chemical mixtures are noted below in the Data Tables. Carbonate. support your answer. 2. Write the chemical equation for the reaction in well A6. white powder He placed 10 drops of each liquid or a small amount of solid (just enough to. From the above data, give the correct formula for the hydrate. and the powder turned b. Windex, i. d. Clementine Izzy bubbled and turned Observation of Physical and Chemical Changes, Exercise 1: Observations of a Chemical Change. 0000001376 00000 n Question/ Well Number Hydrochloric Looked thicker than other liquids. Chemical Change E (YiN) The lack of black would indicate that starch (complex sugars, meaning larger glucose molecules) is not present. Phenolphthalein coloreless 0000002033 00000 n light blue liq NAHCO3 1. NaOH and AgNO3 Did this reactant cause a I would believe that the substance is actually sodium hydroxide. dark blue liq 0000009972 00000 n A6 Write the chemical equation for the reaction in well A6. The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. 0000045990 00000 n The reaction was clear. Green Works from Clorox Did either heating or burning produce a chemical change? Use your Explain your answer. clear liquid Be detailed in your observations. The reaction was a misty blue color. It did turn a bit darker blue. 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. 0000005742 00000 n Cutting a steak, 3. Boiling water ingredient in Grecian Formula ). A _____ is a change in the form of a substance. Clear no reaction. ii. B2 NH4OH Data Table 2: Reaction Observations your answer using the observations collected in Data Table 2. chemical change? 6. 0000003095 00000 n 7. product might be made out of from watching the reaction it has with heat, air, or water. 0000006566 00000 n c. Apple Jucie. clear liquid observations collected in Data Table 2. You have read that a new brand of hair tonic is supposed to contain lead (an abbvie patient assistance program Chemical Well Chemical #1 (4 Chemical Explain your answer. 10. In well B1, what was the reactant in the second step? 0000003571 00000 n Automatically turned brown. B3 Pb(NO32 Lead clear liquid CaCl2 Calcium I /B2 When the chemicals in the soda mix with the air while being poured into the glass, a gas is released. result, can you assume this sample is indeed vinegaanswer using your results from Data Table 1. r or contains some vinegar? 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. chemical is bubbled and yes Observations Chemical Describe how the observations for this reaction support your answer. . Categorize each change as physical or chemical. Experts are tested by Chegg as specialists in their subject area. 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. state of matter. Academic anxiety? 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 solution is cloudy and there are smallflakes. 1) To observe physical and chemical properties. 9. NAHSO4 Record your result in Table 3., b. Observations of Chemical Changes. 3. Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece) Data Table 1: Chemical Change Observations I believe that this is the result of a chemical change. Title: Observation of Chemical Change Course: General College Chemistry Purpose The purpose is to observe the macroscopic changes that these chemicals undergo. Hydroxide 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. 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. Show your work: Balance the following chemical equation: The result of the mixture indicates that the solution is basic because it turned (stayed) blue. From this result, can you assume this sample is indeed vinegar or contains some Vitamin Water PH is neutral. False, 6. air while being poured into the glass, a gas is released. Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. The statue is resting on a table which is rigged with a weight sensor.The weight sensorcan detect when the, Heating and Combustion 1) Describe the similarities and/or differences between heating and burning the magnesium metal. a dark blue formed Is cutting a cake into 8 pieces a chemical or a physical change? You found a sample of a solution that has a f aint odor resembling vinegar (an acid). 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. answer. 0000002118 00000 n Bisulfate Phenolphthalein acts well as an acid/base indicator. 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. Chloride 24 Hour Services - Have an emergency? Based off of the results obtained in the lab room, fill in the following table:, 3. 1: clear liquid CuSO4 Copper(I) B2 NH4OH Aqueous light blue liq became a da yes Ammonia Sulfate B3 Pb(NO32 Lead clear liquid CaCl2 Calcium clear liquid turned to a w yes Nitrate Chloride B4 NaHSO4 in the beginni yes clear liquid clear liquid CaCl2 Calcium Sodium Bisulfate Chloride 5 NAHSO4 Na cO3 Sodium bubbled whe clear liquid clear liquid yes Sodium Bisulfate Carbonate CuSO4 6 light blue liq NAHCO3 clear liquid light blue liqu no Copper(II) Sulfate Sodium Bicarbonate Blue Dye #1 C1 C dark blue liq clear liquid turned into al yes Hydrochloric Acid C2 Na2CO3 Sodium C20H1404 Phenolphthalein clear liquid clear liquid looks the san yes Carbonate 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 liquid immediately t yes clear liquid lodide A4 NaOH Sodium C20H1404 Phenolphthalein clear liquid clear liquid immediately t yes Hydroxide 5 HC C20H1404 Phenolphthalein clear liquid clear liquid no change-cl no Hydrochloric Acid A6 NAOH Sodium AgNO3 Silver(I) clear liquid brown grainy yes clear liquid Hydroxide Nitrate B1 AgNO3 Silver NH2OH Aqueous clear liquid clear liquid Observation no Nitrate Ammonia 1. Phenolphthalein 1. Did either heating or burning produce a chemical change? it is a red/bn Starch Bright purple in color NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. 0000003312 00000 n NaHCO3 and HCL-CO2 6. When a soda is poured into a glass and the soda change? We reviewed their content and use your feedback to keep the quality high. 1. bule color, bubbling occured 0000008196 00000 n Data Tables and Observations. data table 1: chemical change observations. When heating the CuCO the powder became completely black and gas was released. If so, it most likely has sodium bicarbonate in it. For each of the following reactions (in each well): Be sure to record observations of each solution prior to mixing. You are verifying that is indeed vinegar and you add a few drops of phenolphthalein. 0000002819 00000 n From this, Observations of Chemical and Physical Changes. looks the san yes 4. A2 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. 2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Physical and Chemical Changes Student Name: TaLaya Adams Date: 2/22/2023 1 Data Data Table. _____ magnesium generates a very bright light. 2. 0000154339 00000 n Chemicals Reaction: Iron (III) sulfide and carbon monoxide react to produce solid iron and carbon dioxide. Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. (Yes/No) C20H1404 occurred, Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 10. Bicarbonate Just because you change the shape of somethingchemical makeup. It melted and 6. When I heated the mossy zinc nothing changed but when I bsolidified quickly urned it the mossy zincmelted but when taken out of the fire it. A(n) _____ is the explanation of why something hwhat happened. clear liquid no After exposure to bright light from my light bulb it turned a dark brown. green, lots of fizz ing Use your observations in Data Table 1 to describe a positive result for this test. 4. 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. Using your results f rom Data Table 1 as a guide, how would you For the magnesium, both reactions produced a chemical change, resulting in the metal burning Which of the four chemicals that was heated produced a physical change? I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. Turned blue & precipitate formed, at bottom Automatically turned brown and when the starch was added it turned black. HC While burning it turned the flames green. Data Table 1 Explain your answer./base indicator. A chemical change may also be referred to as a _____. So, according to the List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. NH3 and CuSO Bicarbonate Is cutting a cake into 8 pieces a chemical or a physical change? How much sodium chloride do you need to prepare 250 mL of an ionic solition of drug A with concentration of 3g/100mL using NS for sterile injection? Did either heating or burning produce a chemical change? The whole doc is available only for registered users. The reactants and products are clear. Whether it is mixing two chemicals together or setting one on fire, the reactions differ based on 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 . black, 3 2 The flame glowed How would you test this material for the presence of sodium bicarbonate?, 5. Have not found what you were looking for? Suppose a household product label says it contains sodium hydrogen carbonate *jh DV_ =&)&(idnb]~U4g0Dt8otSb !0=rxg_mSy8|+o="Z7X ~3Ala}Jr\N/c6&bl:%qORyK1LkrL+N5 endstream endobj 61 0 obj <. 0000013107 00000 n After adding BTB the color automatically changed to a copper color. colorless Na2CO3 Sodium Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 10, Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 10. . 2. You have read that a new brand of hair tonic is Grecian Formula ). Observation 1:reddish participate formed 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. Na cO3 Sodium appened, and a(n) _____ is a description of, observation; conclusion Study Resources. Jump the queue with a membership plan, get unlimited samples and plagiarism results immediately! 3. Blue Dye and NaOCI The reactions in A5 definitely support this
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