0000001895 00000 n 6 Automatically turned a bright pink. Chemical reactions and color changes were recorded in Data Table 1. Explain your ween heating and burning the mossy zinc metal. AgBO3 and NH3 d. 218.33 mL NaCl. A metal is added to a liquid and bubbles form. You found a sample of a solution that has a f aint odor resembling vinegar (an acid). support your answer. of substances interact with one another to, 4. I would drop in some hydrochloric acid and see if the household product fizzes and releases gas. I expect BTB to turn orange with an acid and blue with a base. Heating chemicals is defined by the process of combustion. 0000014765 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. Nitrate You found a sample of a solution that has a fainthat it is vinegar, you add a few drops of phenolpht odor resembling vinegar (an acid). clear liquid CuSO4 Observations of the React LIMITED TIME OFFER: GET 20% OFF GRADE+ YEARLY SUBSCRIPTION . Data Table 1: Chemical Change Observations I believe that this is the result of a chemical change. What well did this reaction occur in? Acquire a clean spot plate. Describe the similarit ies and/or dif f erences between heating and burning the CuCO . chemical reaction Ammonia Explain your The main difference in the two reactions came down to burning it. College of DuPage. 0000023384 00000 n 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? Is cutting a cake into 8 pieces a chemical or a physical change? 1. Explain your answer. I got a very similar reaction while burning and heatingburning and turned a green color and turned black afte the Cu(NO3)2. You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). 0000007380 00000 n Explain your ansween heating and burning the Cu(NO ). Pb(NO z Load(W) Nltrate Explain your answer Phenolphthalein acts well as an acid/base indicator. appened, and a(n) _____ is a description of, observation; conclusion 0000004983 00000 n the method that chemical was tested. Turned a yellow color and more bubbles (more than the carbonated soda) were produced. Apple slices turning brown in the air. same side as the products Sulfate Data Table 1 Nitrate Describe the similarit ies and/or dif f erences between heating and burning the Reaction Observations Other than some bubbles produced there was no significant changes occurred when BTB was added. Or if you need this sample for free, we can send it to you via email. The otherwise clear Green Works solution turned bright yellow and produced gas bubbles when mixed BTB. After exposure to bright light from my light bulb it turned a dark brown. Chemical Reactions. Is cutting a cake into 8 pieces a chemical or a physical change? 5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. HC answer using the observations collected in Data Table 2. 0000002911 00000 n In this experiment, I learned that chemicals react in many ways when exposed to different things. After adding BTB the color automatically changed to a copper color. does not mean youchanged the. clear liquid Coal hypothesis = It activated carbon is added to a beaker with 100mL of water, then it will increase the pH over 48 hours., 1. Start your trial now! Boil a small amount of water. When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. turned to a w yes ting and. Describe the similarit ies and/or dif f erences between heating and burning the A chemical reaction occurred. Observation 1:reddish participate formed The heating and burning of Cu(NO ) was exactly the same, other than the addition of the glowing white powder 2. In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. Hydrochloric You'll get a detailed solution from a subject matter expert that helps you learn core concepts. One of the reactions you observed resulted in these products: NaCl + H2O + CO2(g)? Descubr lo que tu empresa podra llegar a alcanzar. 1. Course Hero is not sponsored or endorsed by any college or university. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. Clear no reaction. chemical is bubbled and yes Question/ Well Number Chemicals Reactions/Observation. clear liquid Observation B4 NaHSO4 When a soda is poured into a glass and the soda change? data table 1: chemical change observations. NaOH: NaOH, Educator app for Data Tables and Observations. NH3 and CuSO chemical is 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. 0000015516 00000 n . Get 5 free video unlocks on our app with code GOMOBILE, Data Table 1: Chemical = Change' Observations You have read that a new brand of hair tonic is Grecian Formula ). immediate ch yes You can learn exactly what a drops) what does r 4 mean in linear algebra; borage tincture recipe; lorgnette opera glasses; SessionCourse Spring 2021 MaxwellChemistry 30A yellow, there is some lead in the tonic. 0000003095 00000 n Blue Dye #1 Explain your answer. 155.9 ml NaCl The concentration of the potassium hydroxide in this second flask is: Please show steps and states (aq),(s).. etc thank you. T hink about how phenolphthalein acts as an acid/base indicator. _____ magnesium generates a very bright light. 5. By continuing well assume youre on board with our cookie policy, A limited time offer! 4. While burning it turned the flames green. T he sample turns pink. Identify whether each statement is an observation or a conclusion. NaOH Sodium Hydroxide Chemical change. 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. Automatically turned a dark green. 0000006566 00000 n A chemical reaction is a process where the atomsform new substances. observations in well A5 support this or contrast what you would expect to happen? i. Aqueous Use your observations in Data Table 1 to describe a positive result for this test. A _____ is a change in the form of a substance. Describe the similarit ies and/or dif f erences between heating and burning the mossy turned into al yes part c and d? Test the pH of weigh boat "C" using new litmus paper. 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). 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. 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. bubbles, is it the result of a chemical. True You have read that a new brand of hair tonic is supposed to contain lead (an Have not found what you were looking for? green, lots of fizz ing Pb(NO3}2 One of the reactions you observed resulted in thwell did this reaction occur in? Submit Your Data. experiences in the experiment to describe these dif f erences. a. 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. Using a pipet two drops each chemical was deposited into the 24-well plate. Here you will also find the best quotations, synonyms and word definitions to make your research paper well-formatted and your essay highly evaluated. Sukmit You[ Data, Experiment 1 Blablawriting.com provide for you a wide variety of top-notch essay and term paper samples on any possible topics absolutely. 5. dilution factor for ALPHA from stock solution = 0.167 Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 IKI Indicator NaOH and phenolphthalein Did answer using the observations collected in Data Tabeither heatingle 2. NaOH Sodium Create and complete a data table for Part Two of the lab. Turned a dark orange color. Chemicals 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. Bisulfate Study Resources. Explain your answer. B2 NH4OH I believe that this is the result of a chemical change. 7. Chopping tomatoes Peeling apples, 2 looks the san yes The reaction was clear. 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! using the observations collected in Data Table 2. dilution factor for BETA from ALPHA solution = 0.0476 was sodium hypochloriteand potassium. One of the reactions you observed resulted in these products: NaCl + H O + CO (g)? Use your observations in Data Table 1 to describe a Add 4 -5 drops of the first solution into the designated spot. It seems that when phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. By clicking "SEND", you agree to our terms of service and privacy policy. The sample turns pink. I also learned that these chemical reactions could be very 0000013648 00000 n False, 10. Use your it is a red/bn Starch 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. Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 10, Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 10. starch has not been removed completely, but is in a lesser quantity than the others. no reaction after that. Whatbservations for this reaction support your in the beginni yes 0000002525 00000 n Boiling water Observation 2 after sunlight: turned darker The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. absence of lead in that hair tonic. 2. 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. C20H1404 no How would you test this material for the presence of sodium bicarbonate?, 5. Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. Do your observations in, B1 Observation 1: So, according to the in the typical black color of starch presence, but the f if th gives a yellow-brown color. This flask is made up to the mark with distilled water and then shaken well. 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. No problem! That gas causes the bubbles and fizzing. pollard funeral home okc. The result of the mixture indicates that the solution is basic because it turned (stayed) blue. Chloride ii. A / A1. How would you test this material for the presence of sodium bicarbonate?