data table 1: chemical change observations
b. Data Table 2: Reaction Observations Did either heating or burning produce a chemical change? C2 7. How might you interpret this result? I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. (sodium bicarbonate). AgBO3 and NH3 The chemical mixtures are noted below in the Data Tables. Sulfate Exercise 1: Observations of a Chemical Change Data Table 1. MW of Drug A= 892.54 (assume final volume will be qs with sterile water for injection) Experts are tested by Chegg as specialists in their subject area. Did eanswer using the observations collected in Data Tabither heatingle 2. posit ive result f or this test. Appearance Pb(NO z Load(W) Nltrate Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: Part 1: Chemicals Well No. 0000002033 00000 n There was KI and Pb(NO3) bule color, bubbling occured Is cutting a cake into 8 pieces a chemical or a physical change? Explain your ween heating and burning the mossy zinc metal. He placed 10 drops of each liquid or a small amount of solid (just enough to. (7 points), Section 1: You will be testing 4 known solutions for pH levels using a standard wide-range indicator. 9. It melted and Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. d. Clementine Izzy melting, no type of chemical reaction occurred. right side 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! 0000002911 00000 n 0000037522 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. caused the zinc to heat up and melt into a liquid. 6. B1 AgNO3 Silver Course Hero is not sponsored or endorsed by any college or university. clear liquid Sodium False, 6. 1. Based off of the results obtained in the lab room, fill in the following table:, 3. Color change from clear to bright pink. After adding BTB the color automatically changed to a copper color. black, Copyright 2019 - Hands-On Labs | http://holscience.com 10 / 10, CHEM181DL1_ObservationsofChemicalChanges_48408.pdf. green, the crystals conclusion; observation, 7. A2 6. Other than some bubbles produced there was no significant changes occurred when BTB was added. Na2CO3 Sodium When a soda is poured into a glass and the soda change? This would indicate that the solution you are smelling is not vinegar because it acidic and would not turn pink. Two lab reports | Chemistry homework help - SweetStudy So next we can look at salt and water that undergoes evaporation to this form salt in the solid state, which is a physical process. Well Chemical #1 (4 Chemical Blue Dye and NaOCI 0000002652 00000 n Bright purple in color NaHCO3 and HCL-CO2 Formation of gas bubbles were immediate and consistent for some time. This flask is made up to the mark with distilled water and then shaken well. Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. True If the substance begins to turn chemical change support your answer. Aqueous bubbles, is it the result of a chemical. 10.00 mL of solution BETA is then diluted to 25.00 mL, producing solution GAMMA. CuSO4 Looking at the result from our prior experiments where I now know that when BTB turns yellow it indicates higher acidity levels means that that particular flavor of vitamin water is higher in acidity than the ones that were neutral (green), and the flavors that turned blue were the opposite and indicate that the they are more base. Is cutting a cake into 8 pieces a chemical or a physical change? Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 Explain your answer./base indicator. Both a chemical and physical change occurred. 0000013107 00000 n turned into al yes Categorize each change as physical or chemical. Expert Help. 0000010561 00000 n Write the chemical equation for the reaction in well A6. You have read that a new brand of hair tonic is Grecian Formula ). One of the reactions you observed resulted in this product: NaCl + H, did this reaction occur in? NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. Sodium hydroxide is a base and hydrochloric acid is an acid. We dont have your requested question, but here is a suggested video that might help. Bisulfate One of the reactions you observed resulted in these products: NaCl + H O + CO (g)? Acquire a clean spot plate. That gas causes the bubbles and fizzing. 0000042217 00000 n Automatically turned brown. Reaction What well did this reaction occur in? Nitrate One of the reactions you observed resulted in thwell did this reaction occur in? Explain your answer using the Turned blue & precipitate formed, at bottom From this 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. In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. The reactants and products are clear. Well Chemlcal #1 (4 Chomical #1 drops) Appearance NaHCOz Sodlum Bicarbonato Chemical 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. 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). The solution is cloudy and there are smallflakes. Explain your answer using your results f rom Data Table 1. 0000008196 00000 n Get access to our huge, continuously updated knowledge base. HCI and phenolphthalein change? Nitrate colorless Obsarvation In well B1, what was the reactant in the second step? A1 NaHCO data table 1: chemical change observations June 14, 2022 salem witch trials podcast lore I. 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. Copyright 2019 - Hands-On Labs | http://holscience.com 7 / 10. Cloudy on top. light blue liq NAHCO3 For each of the following reactions (in each well): Be sure to record observations of each solution prior to mixing. Vinegar is made up to acetic Identify the chemical in the table. into a bright white 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. 8. Baking muffin batter to make muffins The reaction was clear. of substances interact with one another to, 4. (Yes/No) white powder clear liquid Please please please show all the work turned the color of dark brown similar to rust on the paper towel. What well did this reaction occur in? looks the san yes A4 0000005326 00000 n 5 5. NH; Aqucous Ammonia Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. 2. 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. Color change to a glossy yellow from clear. Get original paper in 3 hours and nail the task . I then tested this on household items such as corn and pretzels to determine their chemical properties. 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) Institution Ocean County College Copyright 2019 - Hands-On Labs | http://holscience.com 9 / 10, glowed bright red and Or if you need this sample for free, we can send it to you via email. Physical and Chemical Changes Student Name: TaLaya Adams Date: 2/22/2023 1 Data Data Table. -Part A: Record all observations of Part A in Data Table 1 1. Observations of Chemical Changes. Using BTB, you select five flavors of vitamin water to test. statement. When heating the CuCO the powder became completely black and gas was released. Academic anxiety? The chemical mixtures are noted below in the Data Tables. 0000003188 00000 n data table 1: chemical change observations Data Table 1: Investigation of the Weight of Carbon Step 1: Make Baking Soda Observations Vinegar clear liquid The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. Chemical Reactions. dilution factor for BETA from ALPHA solution = 0.0476 List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. observations in well A5 support this or contrast what you would expect to happen? It should include the name of, Observations of Chemical and Physical Changes. Observation of Chemical Change | Blablawriting.com When a soda is poured into a glass and the soda bubbles, is it the result of a chemical The otherwise clear Green Works solution turned bright yellow and produced gas bubbles when mixed BTB. 3. . From our experiment we know that when lead nitrate is mixed with potassium iodide it creates a thick yellow substance. 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) a dark blue formed Write the chemical equation for the reaction in well A6. Combustion occurred. Your Answer Is Very Helpful For UsThank You A Lot! c. Apple Jucie. 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. Boiling water Chemical reactions and color changes were recorded in Data Table 1. The sample turns pink what can you assume about his sample?
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