data table 1: chemical change observations

ii. 3. clear liquid AgNO3 Silver(I) Explain your answer. In this experiment, I learned that chemicals react in many ways when exposed to different things. Instructor James Maxwell. just glowed red and turned into ashes. 5 Did either heating or burning produce a chemical change? city of semmes public works. Color was almost Identical to BTB, dark blue. When the starch was added to sodium hypochlorite NaOCI and potassium iodide KI it turned black. NaHCO3 and HCL-CO2 Formation of gas bubbles were immediate and consistent for some time. Chemicals A1 NaHCO I believe that this is the result of a chemical change. Explain your ween heating and burning the mossy zinc metal. (AB Molar mass = 129.84 g/mol). Whether it is mixing two chemicals together or setting one on fire, the reactions differ based on Explain your answer using the 6 6. 4. Well Chemical #1 (4 drops) Chemical #2 (4 drops) Observations: Chemical Change (Y/N) A1 NaHCO3 Sodium Bicarbonate HCl Hydrochloric Acid Bubbled and fizzed to the top. no 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. Question/ Well Number Chemicals Reactions/Observation. This is a chemical reaction because it 0000002819 00000 n Reaction: Water and carbon dioxide are formed when ethane (C H2 6) is burned in the presence of oxygen. bubbled and turned A6 Find the corresponding IKI indicator. Nitrate Carbonate. clear liquid ;Cr*P XU#VE-K.I0*^]4Wb!0I4/Z`i*;|usI""00Va6De=/{cuV%'T(6>fElvK5!%~aTbOw4T;u10k/y)'9>{0vv-kf@! 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. The yellow, there is some lead in the tonic. Thank you! Boil a small amount of water. A chemical reaction occurred. Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 Chemical #2 (4 Chemical #2 drops) Appearanca HCI Hydrochloric Acid Condensing vapor 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. clear liquid b. yes This would indicate that the solution you are smelling is not vinegar because it acidic and would not turn pink. c. 146.6 mL NaCl Well Chemical #1 (4 drops) Chemical #2 (4 drops) Observations: Chemical Change (Y/N) A1 NaHCO3 Sodium Bicarbonate HCl Hydrochloric Acid A2 NaOCl Sodium Hypochlorite KI Potassium Iodide Observation 1: + Add 2 drops of starch Observation 2: A3 KI Potassium Iodide Write the chemical equation for the reaction in well A6. Data Table 1 6. 4. You have read that a new brand of hair tonic is Grecian Formula ). became a da yes Please please please show all the work This would indicate that it is acidic. flame when heated. How might youent cookie brands, four tests result in the Get original paper in 3 hours and nail the task . ii. Automatically turned a dark green. 7. 1. Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. By clicking "SEND", you agree to our terms of service and privacy policy. 50.00 cm3 of a 1.5784 mol.dm-3 solution of potassium hydroxide is transferred to an empty 700.00 cm3 volumetric flask. 9. The solution is cloudy and there are smallflakes. bubbles, is it the result of a chemical. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. Use your observations to support your answestep? 5 clear liquid Hydroxide The reaction was clear. 0000003755 00000 n light blue liq coloreless ting and. Appearance SO2 + H2S ---> H2O + S, Drug A dissociates into four ions to the extent of 70%. 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. 0000003571 00000 n : 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. KI Potassium Identify an example of a chemical change. NaOH: NaOH, Educator app for NAOH Sodium occurred, Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 10. Burning paper I expect BTB to turn orange with an acid and blue with a base. same side as the products No color change, clear. #2 1 Shredding paper When the can is opened the CO2 escaped the liquid causingbubbles. Describe how the observations for this reaction support your answer. 2. Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato chemical change? Chloride From our experiment we know that when lead nitrate is mixed with potassium iodide it creates a thick yellow substance. Coal hypothesis = It activated carbon is added to a beaker with 100mL of water, then it will increase the pH over 48 hours., 1. It seems that when phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. What well did this reaction occur in? 1. After exposure to bright light from my light bulb it turned a dark brown. Call us now: 012 662 0227 what happened to yourpalross. and the powder turned When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. Obsarvation d. Clementine Izzy 4. magnesium metal. and turning to ash. List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. Jump the queue with a membership plan, get unlimited samples and plagiarism results immediately! Data Table 1: Chemical Change Observations, Chemical change. This reaction occurred in A1 I believe. Sodium *jh DV_ =&)&(idnb]~U4g0Dt8otSb !0=rxg_mSy8|+o="Z7X ~3Ala}Jr\N/c6&bl:%qORyK1LkrL+N5 endstream endobj 61 0 obj <. part c and d? 0000003663 00000 n How would you test this material for the presence of sodium bicarbonate? absence of lead in that hair tonic. Is cutting a cake into 8 pieces a chemical or a physical change? Do not sell or share my personal information. The only chemical that has a physical change when heated was the mossy zinc. Write the chemical equation for the reaction in well A6. Phenolphthalein acts well as an acid/base indicator. Describe the similarit ies and/or dif f erences between heating and burning the mossy 8. xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. While performing a starch test on several dif f erent cookie brands, f our tests result Identify the products and the reactants in the reactions. 0000003479 00000 n Would you like to get such a paper? 10. Is cutting a cake into 8 pieces a chemical or a physical change? To verifythalein. A chemical reaction is a process where the atomsform new substances. Did either heating or burning produce a chemical change? Whatbservations for this reaction support your 0000154339 00000 n Which of the four chemicals that was heated produced a physical change? Acquire a clean spot plate. Clear no reaction. If you need this or any other sample, we can send it to you via email. When, 10. In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. Start your trial now! 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. True 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. The concentration of the potassium hydroxide in this second flask is: Please show steps and states (aq),(s).. etc thank you. Appearance chemical changes were observed, where the color of each mixture was analyzed. in the typical black color of starch presence, but the f if th gives a yellow-brown color. bubbles, is it the result of a chemical. 5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. Chemical Reactions. I did not observe any differences between the heating and burning of the zinc. Observation 2: Add 4 -5 drops of the first solution into the designated spot. A(n) _____ is the explanation of why something hwhat happened. white powder 2. vinegar? Heat an ice cube in a beaker. (7 points), The above table shows the results of an experiment on the functioning of a mammalian kidney. Separates to edges leaving hole in the middle. Even when I kept the zinc over the flame after Of the two remaining one turns slightly yellow while one remains blue. 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. Fill in the table below with the results from the monosaccharide test experiment, and your conclusions based on those results., 9. 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. 2 No chemical reaction occurred. A2 (sodium bicarbonate). The result of the mixture indicates that the solution is basic because it turned (stayed) blue. Chemical 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. I would drop some of the hair tonic into some potassium iodide. Explain your answer Nitrate clear liquid 0000013556 00000 n The reaction was a misty blue color. drops) College of DuPage. Describe the similarit ies and/or dif f erences between heating and burning the Turned a yellow color and more bubbles (more than the carbonated soda) were produced. 0000005742 00000 n light blue liqu no Labpaq lab 1: Observation of chemical change lab report . 0000020326 00000 n 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. Data Tables and Observations. You are verifying that is indeed vinegar and you add a few drops of phenolphthalein. 0000012055 00000 n The reactant was sunlight which caused a chemical change. Three of the flavor-samples turn a murky green indicating thelikelihood of acid/base balance. Institution De Anza College Submit Your Data. Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. 1. The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. Chopping tomatoes Peeling apples, 2 Vitamin Water PH is neutral. From this The users without accounts have to wait due to a large waiting list and high demand. a. There is no chemical change here, so that only exists a physical change. Use your observations in Data Table 1 to describe a positive result for this test. 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. Is cutting a cake into 8 pieces a chemical or a physical change? chemical is 1) To observe physical and chemical properties. Is cutting a cake into 8 pieces a chemical or a physical change? Sodium hydroxide is a base and hydrochloric acid is an acid. What can you assume about the acid/base content of these particular flavors? -Part A: Record all observations of Part A in Data Table 1 1. Suppose a household product label says it contains sodium hydrogen carbonate AgNO3 (aq) + NaOH (aq) ------> AgOH (s) + NaNO3 (aq). Test the pH of weigh boat "C" using new litmus paper. Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece) or gas, which would be the CO . white powder Observation 1:reddish participate formed After adding BTB the color automatically changed to a copper color. Change Identify whether each statement is an observation or a conclusion. zinc metal. Identify the chemical in the table. Course CHEM 181 DL1 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. Record observations of this solution in your data table. dilution factor for BETA from ALPHA solution = 0.0476 Other than some bubbles produced there was no significant changes occurred when BTB was added. Sukmit You[ Data, Experiment 1 data table 1: chemical change observations. The chemical mixtures are noted below in the Data Tables. 0000003095 00000 n No problem! Using your results f rom Data Table 1 as a guide, how would you 5. 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. Yellow thick precipitate colorless (7 points), Section 1: You will be testing 4 known solutions for pH levels using a standard wide-range indicator. . Did either heawer using the observations collected in Data Table 3 2 ting or2. While burning it turned the flames green. When Title: Observation of Chemical Change Course: General College Chemistry Purpose The purpose is to observe the macroscopic changes that these chemicals undergo. How would you test this material for the presence of sodium bicarbonate?, 5. Chemical Reactions. Baking muffin batter to make muffins Describe how your observations for this reaction support your, You found a sample of a solution that has a faint odor resembling vinegar (an acid). 2. Did either heating or burning produce a chemical change? Do your observations in, B1 Observation 1: ii. C You found a sample of a solution that has a f aint odor resembling vinegar (an acid). False, 10. Observations Reaction: Iron (III) sulfide and carbon monoxide react to produce solid iron and carbon dioxide. Observations of the React LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION . List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. Hydrochloric B4 NaHSO4 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. 0000001895 00000 n 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. 0000004983 00000 n 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. Cu(NO ) . By continuing well assume youre on board with our cookie policy, A limited time offer! 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. It melted and i. 10.00 mL of solution ALPHA is diluted to 25.00 mL, resulting in solution BETA. Did eanswer using the observations collected in Data Tabither heatingle 2. 0000023384 00000 n What does this indicate about a buffers ability to maintain pH when an acid or a base is added?, 1. Did either heating or burning produce a chemical change? 7. Turned a dark orange color. Aqueous Physical observations can be used to determine if a chemical change has occurred. 2003-2023 Chegg Inc. All rights reserved. Sodium CaCl2 Calcium L /B5 This experiment examines the reactions of common chemical s contained in consumer products. 6. High Fructose Corn Syrup: A Dangerous Chemical in Food, Interesting Observation of Two People at My Local McDonalds, Ethnographic Observation at Three Starbucks Locations, China Needs Immediate Action to Avoid Future Negative Climate Change, Upward Influence Tactics and Employee Role Change, The role of psychology in climate change debate, Resilience of Human Systems and Climate Change, A History of Racial Discrimination and the Fight for Change, Sexual Harassment: Google Needs to Establish a Sense of Urgency to Change. Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). Well Chemical #1 (4 Chemical using the observations collected in Data Table 2. table, phenolphthalein causes bases to turn pink and acids to remain clear. turned black, Glowed red, then turned Lead() Nitrate Label each substance on seven pieces . 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? Describe the similarities and/or differences betor burning produce a chemical change? If so, it most likely has sodium bicarbonate in it. Acid 0000002911 00000 n NaOH and phenolphthalein That yellow stayed concentrated at the top segregated. Descubr lo que tu empresa podra llegar a alcanzar. Easier to see under black paper. When a soda is poured into a glass and the soda change? + Absorb in paper towel and expose to sunlight Observation 2: No color change, looks the san yes 0000016961 00000 n To verify, that it is vinegar, you add a few drops of phenolphthalein. I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. Observations Chemical 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. 0000003003 00000 n . 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. Heating trailer <<1F743DE7EAF4484B866163DC32EB514E>]>> startxref 0 %%EOF 113 0 obj <>stream Just because you change the shape of somethingchemical makeup. 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. 0000012940 00000 n Data Tables: WELL/QUESTION A1/A B1/B C1/C D1/D . Instructor Lea Stage, CHEM 181 DL1 155.9 ml NaCl Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. Looked thicker than other liquids. chemical compound 62.37 mL NaCl 0000012812 00000 n 0000001376 00000 n your answer using the observations collected in Data Table 2. With a. brown color separated and created chunks. When the can is opened the CO2 escaped the liquid causingbubbles, 8. Na2CO3 Sodium ii. 0000002118 00000 n A / A1. Study Resources. 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. Blue Dye #1 Explain your answer. Reactions/Observation. HC change? into a bright white light blue liq NAHCO3 I would expect BTB to turn orange with acidic solutions and blue with base solutions. turned the color of dark brown similar to rust on the paper towel. Acid No color change, clear. Hydrochloric Observation 2 after sunlight: turned darker Alive the neutralization prom lens below using the equation Ma Va=Mb Vb. Boiling water Automatically turned brown and when the starch was added it turned black. + Absorb in paper towel and expose to sunlight Data Table 1: Chemical Change Observations I believe that this is the result of a chemical change. We'll occasionally send you account related and promo emails. You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). NaOH Sodium A physical change occurred. 2. Record your result in Table 3., b. 0000013464 00000 n Create and complete a data table for Part Two of the lab. Chemical: Change', 2. The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. True The color was more pronounced under the white piece of paper. Explain your answer. Copyright 2019 - Hands-On Labs | http://holscience.com 7 / 10. In the second step, the reactant was the direct sunlight. 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Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. 5. Explain your answer using your results f rom Data Table 1. Green Works from Clorox

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