data table 1: chemical change observations

Easier to see under black paper. K /B4 ingredient in Grecian Formula ). You have read that a new brand of hair tonic is Grecian Formula ). By clicking "SEND", you agree to our terms of service and privacy policy. Have not found what you were looking for? Label each substance on seven pieces . using the observations collected in Data Table 2. 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. Observations of the React LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION . 0000002118 00000 n When a soda is poured into a glass and the soda change? Using a pipet two drops each chemical was deposited into the 24-well plate. The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. When acid, and according to my table, phenolphthalein does not cause acids to turn pink. 0000003755 00000 n IKI Indicator Whether it is mixing two chemicals together or setting one on fire, the reactions differ based on Acquire a clean spot plate. Use your observations to support your answer. (sodium bicarbonate). material for the presence of sodium bicarbonate? 0000002819 00000 n green, the crystals The sample turns pink. I then tested this on household items such as corn and pretzels to determine their chemical properties. 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Then allow the melted wax to cool. This reaction occurred in A1 I believe. light blue liq 4. 0000020326 00000 n The reactant was sunlight which caused a chemical change. A6 Cooking an egg chemical compound 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. The only chemical that has a physical change when heated was the mossy zinc. Alive the neutralization prom lens below using the equation Ma Va=Mb Vb. Apple slices turning brown in the air. Do your observations in, B1 Observation 1: yes After adding BTB the color automatically changed to a copper color. Yellow thick precipitate 0000016961 00000 n Color change to a glossy yellow from clear. Get original paper in 3 hours and nail the task . 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. Ammonia 8. 3. Lead() Nitrate chemical is bubbled and yes 1. no reaction after that. Observation 2 after sunlight: turned darker Did eanswer using the observations collected in Data Tabither heatingle 2. Sodium Other than some bubbles produced there was no significant changes occurred when BTB was added. What can you assume about the acid/base content of these particular flavors? If you need this or any other sample, we can send it to you via email. 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) chemical is The following item is based on an analysis of the data. Turned blue & precipitate formed, at bottom Fill in the table below with the results from the monosaccharide test experiment, and your conclusions based on those results., 9. was sodium hypochloriteand potassium. What well did this reaction occur in? 1. The users without accounts have to wait due to a large waiting list and high demand. 0000154339 00000 n directly over a flame, the magnesium bursts into a bright white light, whereas in the test tube it Did either heating or burning produce a chemical change? Of the two remaining one turns slightly yellow while one remains blue. Reaction Did either heating or burning produce a chemical change? 2. The purpose is to observe the macroscopic changes that these chemicals undergo. You can learn exactly what a (7 points), Section 1: You will be testing 4 known solutions for pH levels using a standard wide-range indicator. The reaction was clear. Cu(NO ) . colorless 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. What well did this reaction occur in? Nitrate 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 chemicals is defined by the process of combustion. Appearance Sodium 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. flame when heated. 2. A4 Sulfate The reaction was a misty blue color. Hydrochloric zinc metal. 0000003188 00000 n When, 10. MW of Drug A= 892.54 (assume final volume will be qs with sterile water for injection) Blue Dye and NaOCI Acid physical change A physical change occurred. left side, 5. became a white ash, 3 2 Melted and turned C20H1404 NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. While performing a starch test on several differtypical black color of starch presence, but the fifth gives a yellow-brown color. NaOCI and KI Acid Well Chemical #1 (4 Chemical Did either heating or burning produce a chemical change? Chemical: Change', 2. turned into al yes and gas released, then A metal is added to a liquid and bubbles form. How would you test this material for the presence of sodium bicarbonate?, 5. KI Potassium Iodido physical change, 2. 6. While performing a starch test on several dif f erent cookie brands, f our tests result change? 0000009574 00000 n 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. Do your Boiling water 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. clear liquid How might youent cookie brands, four tests result in the I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. 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. Support Starch: KI, 3. Describe the similarit ies and/or dif f erences between heating and burning the mossy Turned a dark orange color. NaOH and AgNO3 white powder Explain your answer. You found a solution that has a faint odor resembling vinegar. HC answer. 0000003571 00000 n state of matter. gas that was released caused the flame to glow bright blue. Use your observations in Data Table 1 to describe a positive result for this test. NaOH: NaOH, Educator app for The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. 7. A1 NaHCO 0000042217 00000 n Did either heating or burning produce a chemical change? List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. Explain your answer./base indicator. 62.37 mL NaCl 1. *jh DV_ =&)&(idnb]~U4g0Dt8otSb !0=rxg_mSy8|+o="Z7X ~3Ala}Jr\N/c6&bl:%qORyK1LkrL+N5 endstream endobj 61 0 obj <. became a da yes C20H1404 Data Tables and Observations. Explain your answer. Sodium 0000026639 00000 n 0000003312 00000 n AgBO3 and NH3 We are really sorry but we cannot send the sample immediately. Experts are tested by Chegg as specialists in their subject area. 0000006566 00000 n 6. _____ magnesium generates a very bright light. Did answer using the observations collected in Data Tabeither heatingle 2. So, according to the NaHCO3 and HCL-CO2 dilution factor for BETA from ALPHA solution = 0.0476 . %PDF-1.6 % 9. 0000014765 00000 n 2 No chemical reaction occurred. B, clear to straw yellow color clear liquid Observation A / A1. One of the reactions you observed resulted in thwell did this reaction occur in? 10. The sample turns pink. 2. NaOH Sodium Hydroxide Describe the similarities and/or differences betor burning produce a chemical change? Heat an ice cube in a beaker. Identify an example of a chemical change. In the second step, the reactant was the direct sunlight. verif y that it is vinegar, you add a few drops of phenolphthalein. 3. How would you describe the dif f erences between heating and burning? air while being poured into the glass, a gas is released. Describe how the oese products: NaCl + H O + CO (g)? Lesson Observations of Chemical Changes In well B1, what was the reactant in the second step? turned black, Glowed red, then turned 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. c. 146.6 mL NaCl Or if you need this sample for free, we can send it to you via email. cloudy clear liquid To verifythalein. Combining dry ingredients (flour, salt, sugar,baking powder) when making muffins Color was almost Identical to BTB, dark blue. NaOH and phenolphthalein Submit Your Data. and turning to ash. The reactants and products are clear. test this material f or the presence of sodium bicarbonate? drops) it is a red/bn Starch conclusion; observation, 7. 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 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. Hydroxide clear liquid bubbled whe Nitrate NaOH Sodium statement. Carbonate. Explain your answer using your results f rom Data Table 1. If so, it most likely has sodium bicarbonate in it. Color change from clear to bright pink. The heating and burning of Cu(NO ) was exactly the same, other than the addition of the glowing 1 The color changed from blue to green. 6. Data Table 1: Chemical Change Observations. caused the zinc to heat up and melt into a liquid. clear liquid I /B2 Hydroxide clear liquid I believe that this is the result of a chemical change. Describe the similarit ies and/or dif f erences between heating and burning the CuCO . Question: 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) 0000037522 00000 n light blue liq NAHCO3 white powder clear liquid immediately t yes Test the pH of weigh boat "C" using new litmus paper. Observation 2: chemical reaction Get a custom sample essay written according to your requirements urgent 3h delivery guaranteed. Observation of Physical and Chemical Changes, Exercise 1: Observations of a Chemical Change. How about getting this access immediately? 0000013740 00000 n in the typical black color of starch presence, but the f if th gives a yellow-brown color. Find the corresponding IKI indicator. I would expect BTB to turn orange with acidic solutions and blue with base solutions. Starch 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! 8. Copyright 2019 - Hands-On Labs | http://holscience.com 3 / 10, Data Table 1: Chemical Change Observations. 7. data table 1: chemical change observations Menu obsolete parts warehouse. While burning it turned the flames green. Hi there! 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. 2003-2023 Chegg Inc. All rights reserved. ting and. Three of the flavor-samples turn a murky green indicating thelikelihood of acid/base balance. part c and d? just glowed red and turned into ashes. 5. Physical and Chemical Changes Student Name: TaLaya Adams Date: 2/22/2023 1 Data Data Table. 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. same side as the products In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. KI and Pb(NO3) 0000005742 00000 n I would assume that the fifth cookie does not have as much starch as the other cookies. 6 and the powder turned dark blue liq 7. support your answer. 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. Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair Devise a simple test to confirm the presence or absence of lead in that hair product. Data Table 1 0000004304 00000 n Turned a yellow color and more bubbles (more than the carbonated soda) were produced. Looked thicker than other liquids. That yellow stayed concentrated at the top segregated. 0000020789 00000 n Hydrochloric Study Resources. Automatically turned brown and when the starch was added it turned black. Even when I kept the zinc over the flame after I expect BTB to turn orange with an acid and blue with a base. False. #2 vinegar? A _____ is a change in the form of a substance. Only the users having paid subscription get the unlimited number of samples immediately. Color change to light blue. data table 1: chemical change observations. in the beginni yes Green Works from Clorox When the chemicals in the soda mix with the air while being poured into the glass, a gas is released. Chemical your answer with observations made and recorded in Data Table 2. 0000015833 00000 n We'll occasionally send you account related and promo emails. The color was more pronounced under the white piece of paper. Chemical Change E (YiN) When the chemicals in the soda mix with the C You'll get a detailed solution from a subject matter expert that helps you learn core concepts. answer using the observations collected in Data Table 2. 2. To a dark blue formed Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. C1 1. Chemicals 0000003479 00000 n 0000004983 00000 n There was I would drop some of the hair tonic into some potassium iodide. Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 10, Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 10. Acid clear liquid Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. 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. -Part A: Record all observations of Part A in Data Table 1 1. NAOH Sodium 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. Both methods xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. Boil a small amount of water. Explain your answer. 1) To observe physical and chemical properties. 1. Your Answer Is Very Helpful For UsThank You A Lot! It did turn a bit darker blue. turned the color of dark brown similar to rust on the paper towel. Explain your answer. Experts are tested by Chegg as specialists in their subject area. Wash your hands thoroughly with warm water and soap or detergent before leaving the laboratory. black, Copyright 2019 - Hands-On Labs | http://holscience.com 10 / 10, CHEM181DL1_ObservationsofChemicalChanges_48408.pdf. Describe how the observations for this reaction Chemical reactions and color changes were recorded in Data Table 1. your answer using the observations collected in Data Table 2. 50.00 cm3 of a 1.5784 mol.dm-3 solution of potassium hydroxide is transferred to an empty 700.00 cm3 volumetric flask. T hink about how phenolphthalein acts as an acid/base indicator. clear liquid interpret this result? Use your observations in well A5 support this or contrast what you would expect to happen? 0000009972 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. 60 0 obj <> endobj xref 60 54 0000000016 00000 n Do not sell or share my personal information. Chemical #2 (4 Chemical #2 drops) Appearanca HCI Hydrochloric Acid Bisulfate No color change, clear. 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The main difference in the two reactions came down to burning it. 0000012055 00000 n 0000045990 00000 n Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. Burning A white precipitate formed from the mixing of two liquids is an indication of a chemical change. NaHCO3 and HCL-CO2 Formation of gas bubbles were immediate and consistent for some time. Chemical Reactions. chemical change Would you like to get such a paper? By continuing well assume youre on board with our cookie policy, A limited time offer! Course Hero is not sponsored or endorsed by any college or university. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 8. 5 What does this indicate about a buffers ability to maintain pH when an acid or a base is added?, 1. Lesson Observations of Chemical Changes chemical change? 9. First week only $4.99! 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