data table 1: chemical change observations

It seems that when phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. I would believe that the substance is actually sodium hydroxide. You found a solution that has a faint odor resembling vinegar. Acid ii. Sulfate 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). left side, 5. Na2CO3 Sodium First week only $4.99! B, clear to straw yellow color Using BTB, you select five flavors of vitamin water to test. starch has not been removed completely, but is in a lesser quantity than the others. was sodium hypochloriteand potassium. You have read that a new brand of hair tonic is Grecian Formula ). appened, and a(n) _____ is a description of, observation; conclusion vinegar? We'll occasionally send you account related and promo emails. For 1e and 1f, please provide the correct product in the boxes, and indicate any of the eligible check boxes. Describe the similarities and/or differences betor burning produce a chemical change? Describe how the oese products: NaCl + H O + CO (g)? lodide Explain your answer. d. 218.33 mL NaCl. dilution factor for ALPHA from stock solution = 0.167 trailer <<1F743DE7EAF4484B866163DC32EB514E>]>> startxref 0 %%EOF 113 0 obj <>stream If the substance begins to turn How would you test this material for the presence of sodium bicarbonate?, 5. 0000042217 00000 n We use cookies to give you the best experience possible. No color change, clear. i. MW of Drug A= 892.54 (assume final volume will be qs with sterile water for injection) 1. 4. College of DuPage. ii. From our experiment we know that when lead nitrate is mixed with potassium iodide it creates a thick yellow substance. 1. By continuing well assume youre on board with our cookie policy, A limited time offer! Physical change. LAB REPORT 4 Observations of Chemical and Physical Change PART 1 - OBSERVATIONS OF CHEMICAL CHANGE No credit will be given for this lab report if the Data section is not completely filled out and if the required photographs are not received. 0000016961 00000 n True Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. True table, phenolphthalein causes bases to turn pink and acids to remain clear. light blue liqu no NaOH and AgNO3 8. In well B1, what was the reactant in the second change? To By clicking "SEND", you agree to our terms of service and privacy policy. 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(n) _____ is the explanation of why something hwhat happened. Cutting a steak, 3. 6. Just because you change the shape of somethingchemical makeup. 60 0 obj <> endobj xref 60 54 0000000016 00000 n Did either heating or burning produce a chemical change? Copyright 2019 - Hands-On Labs | http://holscience.com 7 / 10. 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Bicarbonate clear liquid CuSO4 Use your 0000003848 00000 n Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. Copper(II) in the beginni yes 2. data table 1: chemical change observationspet friendly rentals lewis county, wa data table 1: chemical change observations. Explain your answer. 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. Boil a small amount of water. (7 points), 1. Did this reactant cause a Explain your, From the experiment I just preformed I would say there iodide present, but no starch. 0000004304 00000 n immediate ch yes SessionCourse Spring 2021 MaxwellChemistry 30A Melt a small amount of candle wax. 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) Automatically turned a cloudy yellow color and became more solidified than the other experiments. The reactants and products are clear. Using your results f rom Data Table 1 as a guide, how would you Then allow the melted wax to cool. clear liquid Log in Join. (AB Molar mass = 129.84 g/mol). Bright purple in color clear liquid light blue liq Observations The reaction was clear. Vinegar is made up to acetic 0000013556 00000 n Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato Fill in the table below with the results from the monosaccharide test experiment, and your conclusions based on those results., 9. 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 . A chemical reaction occurred. 5. More pronounced with white paper. xH20 + crucible - 17.4960gmass of AB + crucible - 15.1314gCalculate the % water content of the hydrate3. A4 That was the only reaction that caused any type of fizzing How might you interpret this result? 0000003479 00000 n 0000026639 00000 n When, 10. While performing a starch test on several dif f erent cookie brands, f our tests result 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. I would assume that the fifth cookie does not have as much starch as the other cookies. I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. Physical observations can be used to determine if a chemical change has occurred. Get a custom sample essay written according to your requirements urgent 3h delivery guaranteed. no The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. 2. After exposure to bright light from my light bulb it turned a dark brown. material for the presence of sodium bicarbonate? We dont have your requested question, but here is a suggested video that might help. Data Table 1 Na cO3 Sodium a dark blue formed bubbles, is it the result of a chemical. I believe that this is the result of a chemical change. When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. Explain Would you like to get such a paper? How might youent cookie brands, four tests result in the Of the two remaining one turns slightly yellow while one remains blue. Phenolphthalein answer using the observations collected in Data Table 2. green, the crystals Chloride Test the pH of weigh boat "C" using new litmus paper. When a soda is poured into a glass and the soda bubbles, is it the result of a chemical The Hydroxide clear liquid In this experiment, I learned that chemicals react in many ways when exposed to different things. 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. Nitrate 0000010561 00000 n air while being poured into the glass, a gas is released. The reactant was sunlight which caused a chemical change. clear liquid IKI indicator The purpose is to observe the macroscopic changes that these chemicals undergo. HCI Hydrochlorlc Acld NaOH Sodium Hydroxide AgNOz Sllver Nitrate Automatically turned brown and when the starch was added it turned black. 1. A metal is added to a liquid and bubbles form. Did this reactant cause a chemicalr. 0000012940 00000 n False, 6. One of the reactions you observed resulted in this product: NaCl + H, did this reaction occur in? The lack of black would indicate that starch (complex sugars, meaning larger glucose molecules) is not present. Acid 0000008196 00000 n 3. clear liquid brown grainy yes When the can is opened the CO2 escaped the liquid causingbubbles. The chemical mixtures are noted below in the Data Tables. #1 black, Copyright 2019 - Hands-On Labs | http://holscience.com 10 / 10, CHEM181DL1_ObservationsofChemicalChanges_48408.pdf. Chemical Reactions. 6. Chemical Change E (YiN) 8. Data Tables and Observations. How would you test this material for the presence of sodium bicarbonate? 155.9 ml NaCl 5. (sodium bicarbonate). Whatbservations for this reaction support your chemical compound Did either heating or burning produce a chemical change? When the chemicals in the soda mix with the Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. Describe the similarit ies and/or dif f erences between heating and burning the mossy 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. Session 2019L2 CHEM 181 DL1 Experts are tested by Chegg as specialists in their subject area. The reactions in A5 definitely support this 0000002819 00000 n 10. Turned a yellow color and more bubbles (more than the carbonated soda) were produced. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. Data Table 1: Investigation of the Weight of Carbon Step 1: Make Baking Soda Observations Vinegar You'll get a detailed solution from a subject matter expert that helps you learn core concepts. When the can is opened the CO2 escaped the liquid causingbubbles, 8. Also indicating that it is acidic. support your answer. 8. 0000002525 00000 n Explain your answer. 0000003571 00000 n 3. How about getting this access immediately? A / A1. 0000005326 00000 n Alive the neutralization prom lens below using the equation Ma Va=Mb Vb. List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. Separates to edges leaving hole in the middle. I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. When the starch was added to sodium hypochlorite NaOCI and potassium iodide KI it turned black. A physical change occurred. You have read that a new brand of hair tonic is supposed to contain lead (an Blue Dye #1 chemical reaction Categorize each change as physical or chemical. What well did this reaction occur in? helpful when trying to identify the chemical makeup of items. T he sample turns pink. Carbonate bule color, bubbling occured Institution Ocean County College Reaction: Iron (III) sulfide and carbon monoxide react to produce solid iron and carbon dioxide. While burning it turned the flames green. Heating statement. Burning paper Identify the products and the reactants in the reactions. 0000011267 00000 n 0000001376 00000 n I believe that this is the result of a chemical change. HCI and BTB Explain your answer using the Sorry, but copying text is forbidden on this website. Wash your hands thoroughly with warm water and soap or detergent before leaving the laboratory. Cooking tomatoes to make tomato sauce ingredient in Grecian Formula ). Appearance 1 Shredding paper Use your observations in Data Table 1 to describe a positive result for this test. 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. Sodium data table 1: chemical change observations. 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 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. False, 10. The main difference in the two reactions came down to burning it. Cloudy on top. absence of lead in that hair tonic. Write the chemical equation for the reaction in well A6. 0000014765 00000 n 9. NaOCI and KI Descubr lo que tu empresa podra llegar a alcanzar. Bisulfate Lead() Nitrate i. Colorless Which of the four chemicals that was heated produced a physical change? ii. Did either heating or burning produce a chemical change? 0000002033 00000 n Explain your answer. C20H, O4 Phenolphthaloin CzoH/+404 Phenolphthaleln AgNO; Silver(W) Nitrale interpret this result? Color was almost Identical to BTB, dark blue. 1. 3. Sodium Observation 2: A chemical change may also be referred to as a _____. Well Chemical #1 (4 Chemical c. Apple Jucie. 0000003663 00000 n 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. Student NameStudent ID yumeng zhang 164162 Describe the similarities and/or differences betor burning produce a chemical change? 0000002118 00000 n Describe the similarit ies and/or dif f erences between heating and burning the C white powder Describe how the observations for this reaction support your answer. Automatically turned a dark green. Expert Help. 0000009027 00000 n Is cutting a cake into 8 pieces a chemical or a physical change? B4 NaHSO4 The concentration of the potassium hydroxide in this second flask is: Please show steps and states (aq),(s).. etc thank you. KI Potassium You found a sample of a solution that has a f aint odor resembling vinegar (an acid). 1. Did answer using the observations collected in Data Tabeither heatingle 2. dark blue liq You can learn exactly what a Starch 5 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. Explain your answer./base indicator. 2. data table 1: chemical change observations. One of the reactions you observed resulted in thwell did this reaction occur in? chemical is bubbled and yes NaOH Sodium Hydroxide How might you interpret this result? Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. Describe how the observations for this reaction physical change Pb(NO z Load(W) Nltrate 1. clear liquid immediately t yes 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! Explain your answer using your results f rom Data Table 1. True AgNO3 Silver(I) 50.00 cm3 of a 1.5784 mol.dm-3 solution of potassium hydroxide is transferred to an empty 700.00 cm3 volumetric flask. False. clear liquid If so, it most likely has sodium bicarbonate in it. + Absorb in paper towel and expose to sunlight. bubbling and fizz ing Easier to see under black paper. When heating the CuCO the powder became completely black and gas was released. Is cutting a cake into 8 pieces a chemical or a physical change? 3. Pb(NO3}2 You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 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) 9. green, lots of fizz ing 0000007380 00000 n Acquire a clean spot plate. Color change from clear to bright pink. became a white ash, 3 2 Melted and turned 9. We have received your request for getting a sample. K /B4 Boiling water Explain your ansween heating and burning the Cu(NO ). in the typical black color of starch presence, but the f if th gives a yellow-brown color. conclusion; observation, 7. b. Windex, i. clear liquid With a. brown color separated and created chunks. The sample turns pink. Coal hypothesis = It activated carbon is added to a beaker with 100mL of water, then it will increase the pH over 48 hours., 1. 9. Show your work: Balance the following chemical equation: Lesson Observations of Chemical Changes flame when heated. 0000020789 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. magnesium metal. Starch: KI, 3. Explain your answer. Do not sell or share my personal information. One of the reactions you observed resulted in these products: NaCl + H O + CO (g)? KI Potassium Iodido Both methods 0000002911 00000 n . It did turn a bit darker blue. Study Resources. Chemical Reactions. 0000015833 00000 n 4. 62.37 mL NaCl 4. 0000003003 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 Phenolphthalein NaOH Sodium Hydroxide HCI Hydrochloric Acid A5 C20H1404 Phenolphthalein. clear liquid immediately t yes HCI and phenolphthalein This would indicate that the solution you are smelling is not vinegar because it acidic and would not turn pink. into a bright white Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. bubbled whe 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. Observations of Chemical Changes. 0000003095 00000 n Find the corresponding IKI indicator. 0000045990 00000 n and turning to ash. This would indicate that it is acidic. AgBO3 and NH3 Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece) The blue crystals melted during both hear a while. black, 3 2 The flame glowed 0000002652 00000 n IKI Indicator chemical changes were observed, where the color of each mixture was analyzed. and gas released, then 4. tonic. 0000023384 00000 n Chemical: Change', 2. In the second step, the reactant was the direct sunlight. Using a pipet two drops each chemical was deposited into the 24-well plate. Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: . became a da yes NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. 7. 5 Submit Your Data. 5. The only chemical that has a physical change when heated was the mossy zinc. Explain your answer. Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. #2 It melted and . Chopping tomatoes Peeling apples, 2 From this While the data sources included here represent a non-exhaustive list of those . The sample turns pink what can you assume about his sample? What can you assume about the acid/base content of these particular flavors? How about getting a customized one? Academic anxiety? Get 5 free video unlocks on our app with code GOMOBILE, Data Table 1: Chemical = Change' Observations no reaction after that. yellow, there is some lead in the tonic. NAOH Sodium chemical is The reactant was sunlight which caused a chemical change. Call us now: 012 662 0227 what happened to yourpalross. iPad. Use your observations to support your answer. 9. posit ive result f or this test. A chemical reaction is a process where the atomsform new substances. There was 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. H / B1 0000003755 00000 n C20H1404 Please please please show all the work Change Course CHEM 181 DL1 i. Obsarvation (7 points), Section 1: You will be testing 4 known solutions for pH levels using a standard wide-range indicator. . Blablawriting.com provide for you a wide variety of top-notch essay and term paper samples on any possible topics absolutely. When a soda is poured into a glass and the soda change? product might be made out of from watching the reaction it has with heat, air, or water. 0000001895 00000 n Do your observations in, B1 Observation 1: This experiment examines the reactions of common chemical s contained in consumer products. clear liquid no change-cl no 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. 0000037522 00000 n 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. However when it was mixed with a base solution it turned pink. The users without accounts have to wait due to a large waiting list and high demand. HC *jh DV_ =&)&(idnb]~U4g0Dt8otSb !0=rxg_mSy8|+o="Z7X ~3Ala}Jr\N/c6&bl:%qORyK1LkrL+N5 endstream endobj 61 0 obj <. (Yes/No) 0000006566 00000 n light blue liq NAHCO3 Instructor James Maxwell. CuSO4 Hydrochloric using the observations collected in Data Table 2. just glowed red and turned into ashes. 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.