data table 1: chemical change observations

no Pb(NO3}2 ii. HCI and phenolphthalein 9. 0000003188 00000 n Reaction and turning to ash. Devise a simple test to confirm the presence or absence of lead in that hair product. The chemical mixtures are noted below in the Data Tables. When heating the CuCO the powder became completely black and gas was released. observations of chemical reactions.docx - Observations of T he sample turns pink. HCI Hydrochlorlc Acld NaOH Sodium Hydroxide AgNOz Sllver Nitrate B4 NaHSO4 The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. 60 0 obj <> endobj xref 60 54 0000000016 00000 n Copyright 2019 - Hands-On Labs | http://holscience.com 9 / 10, glowed bright red and Record observations of this solution in your data table. or gas, which would be the CO . Phenolphthalein 1. 4. 3. 0000003755 00000 n Frontiers | Agreement in extreme precipitation exposure assessment is Explain your We'll occasionally send you account related and promo emails. Blue Dye #1 drops) I then tested this on household items such as corn and pretzels to determine their chemical properties. Explain your answer. The reaction turning yellow would be indicative of an acidic solution when mixed with BTB. Color change from clear to bright pink. dilution factor for ALPHA from stock solution = 0.167 a. 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. in the beginni yes 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) 0000020326 00000 n Aqueous Nitrate Automatically turned a bright pink. A(n) _____ is the explanation of why something hwhat happened. Physical observations can be used to determine if a chemical change has occurred. d. Clementine Izzy Copper(II) Do your AgNO3 (aq) + NaOH (aq) ------> AgOH (s) + NaNO3 (aq). Using a pipet two drops each chemical was deposited into the 24-well plate. 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. Obsarvation Lesson Observations of Chemical Changes It melted and Other than some bubbles produced there was no significant changes occurred when BTB was added. Observation 1:reddish participate formed Alive the neutralization prom lens below using the equation Ma Va=Mb Vb. When the chemicals in the soda mix with the air while being poured into the glass, a gas is released. gas that was released caused the flame to glow bright blue. right side Is cutting a cake into 8 pieces a chemical or a physical change? 2. Observation of chemical change LabPaq - New York Essays B3 Pb(NO32 Lead clear liquid CaCl2 Calcium 7. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Experts are tested by Chegg as specialists in their subject area. NH; Aqucous Ammonia Chemistry 30A Observations of Changes - Studocu 2003-2023 Chegg Inc. All rights reserved. Observations Of Physical And Chemical C - StudyMode One of the reactions you observed resulted in this product: NaCl + H, did this reaction occur in? light blue liq Turned a dark orange color. iPad. Describe the similarit ies and/or dif f erences between heating and burning the CuCO . To The main difference in the two reactions came down to burning it. The reactant was sunlight which caused a chemical change. False, 6. Be detailed in your observations. We are really sorry but we cannot send the sample immediately. verif y that it is vinegar, you add a few drops of phenolphthalein. chemical change? 3. 3. ;Cr*P XU#VE-K.I0*^]4Wb!0I4/Z`i*;|usI""00Va6De=/{cuV%'T(6>fElvK5!%~aTbOw4T;u10k/y)'9>{0vv-kf@! Explain your ween heating and burning the magnesium metal. Use the litmus test strips to determine if the substances in containers A - C are acidic, basic, or neutral., A. In our prior experiments when phenolphthalein was added to a solution that was acidic it had no reaction, it stayed clear. Hydroxide part c and d? 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 . True Devise a simple test to confirm tsupposed to contain lead (an ingredient inhe presence or absence of lead in that hair Data Table 1: Chemical Change Observations, Chemical change. i. 0000013371 00000 n Chemical reactions and color changes were recorded in Data Table 1. Observations of Chemical Changes. The only chemical that has a physical change when heated was the mossy zinc. 0000012812 00000 n 7. 4. 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. 24 Hour Services - Have an emergency? Clear no reaction. I would believe that the substance is actually sodium hydroxide. What well did this reaction occur in? Do not sell or share my personal information. H / B1 acid, and according to my table, phenolphthalein does not cause acids to turn pink. SO2 + H2S ---> H2O + S, Drug A dissociates into four ions to the extent of 70%. Did this reactant cause a chemicalr. B1 AgNO3 Silver 8. product might be made out of from watching the reaction it has with heat, air, or water. chemical compound That yellow stayed concentrated at the top segregated. 0000009027 00000 n Boiling water Chloride How would you test this material for the presence of sodium bicarbonate? A chemical reaction is a process where the atomsform new substances. 2. 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! 0000003663 00000 n 0000003571 00000 n 0000009972 00000 n Reaction: Water and carbon dioxide are formed when ethane (C H2 6) is burned in the presence of oxygen. Chemical Copyright 2019 - Hands-On Labs | http://holscience.com 2 / 10. Observations of Chemical Change - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. In well B1, what was the reactant in the second step? Describe how the observations for this reaction support your answer. 0000009574 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. 0000003848 00000 n NaOH and phenolphthalein When the can is opened the CO2 escaped the liquid causingbubbles. dark blue liq Automatically turned brown. A white precipitate formed from the mixing of two liquids is an indication of a chemical change. Chemicals Three of the flavor-samples turn a murky green indicating thelikelihood of acid/base balance. 0000008196 00000 n c. 146.6 mL NaCl 7. You are verifying that is indeed vinegar and you add a few drops of phenolphthalein. 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. From this helpful when trying to identify the chemical makeup of items. What might be concluded? Want to add some juice to your work? Observation of chemical changes - Assignment Den 0000003312 00000 n Data Tables: WELL/QUESTION A1/A B1/B C1/C D1/D . Instructor Lea Stage, CHEM 181 DL1 Use your observations in Data Table 1 to describe a i. One of the reactions you observed resulted in these products: NaCl + H2O + CO2(g)? clear liquid brown grainy yes caused the zinc to heat up and melt into a liquid. ii. Use your observations in Data Table 1 to describe a positive result for this test. 0000020789 00000 n boiled in the test tube, but did not burn or change in color. B, clear to straw yellow color 9. (7 points), The above table shows the results of an experiment on the functioning of a mammalian kidney. 0000002819 00000 n Have not found what you were looking for? ii. 0000023384 00000 n Data Table 2: Reaction Observations clear liquid 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. 1. Did this reactant cause a Add 4 -5 drops of the first solution into the designated spot. C20H1404 Expert Help. Chemical change. The result of the mixture indicates that the solution is basic because it turned (stayed) blue. However when it was mixed with a base solution it turned pink. bubbles, is it the result of a chemical. I believe that this is the result of a chemical change. Formation of gas bubbles were immediate and consistent for some time. I would drop some of the hair tonic into some potassium iodide. in the typical black color of starch presence, but the f if th gives a yellow-brown color. Sulfate Log in Join. Starch In a chemical reaction the reactants are on the _____ of the written chemical equation. Ammonia HCI and BTB The sample turns pink what can you assume about his sample? became a da yes Session 2019L2 CHEM 181 DL1 Start your trial now! Even when I kept the zinc over the flame after That gas causes the bubbles and fizzing. The goals of the experiment observe properties of chemical reactions and to associate chemical properties with household products. ii. NaHCO3 sodium bicarbonate is a widely known household product otherwise known as baking soda. Categorize each change as physical or chemical. When, 10. turned the color of dark brown similar to rust on the paper towel. I did not observe any differences between the heating and burning of the zinc. Support C2 The purpose of this experiment is for the student to gain knowledge and experience regarding how avariety of chemicals react to one another. NaOCI and KI 0000026639 00000 n Transcribed Image Text: 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 . Record your result in Table 3., b. 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. Then allow the melted wax to cool. Write the chemical equation for the reaction in well A6. For the magnesium, both reactions produced a chemical change, resulting in the metal burning Instructor James Maxwell. SOLVED:Data Table 1: Chemical = Change' Observations Well - Numerade 0000037522 00000 n J /B3 The reactants and products are clear. 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. coloreless clear liquid List whether each of the following substances was positive or negative for protein, as indicated by the Biuret test. The color was more pronounced under the white piece of paper. After exposure to bright light from my light bulb it turned a dark brown. 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. Burning paper 6. 6. #2 1. OneClass: Name: Date: Exp 1: Observations of Chemical Changes Lab Did either heawer using the observations collected in Data Table 3 2 ting or2. 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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. Identify an example of a chemical change. 0000013648 00000 n 0000011267 00000 n Pb(NO z Load(W) Nltrate your answer using the observations collected in Data Table 2. We have received your request for getting a sample. Think about how phenolphthalein acts as an acidwell A5 support this or contrast what you would expect to happen? False, 10. Experts are tested by Chegg as specialists in their subject area. 5. 5 Color turned brown-looks thicker Using your results f rom Data Table 1 as a guide, how would you Explain your answer. Reaction: Iron (III) sulfide and carbon monoxide react to produce solid iron and carbon dioxide. just glowed red and turned into ashes. Write the chemical equation for the reaction in well A6. How might you interpret this result? 0000006566 00000 n vinegar? NAOH Sodium 9. C1 Sorry, but copying text is forbidden on this website. Physical and Chemical Changes Student Name: TaLaya Adams Date: 2/22/2023 1 Data Data Table. Sodium 0000013464 00000 n Cutting a steak, 3. Acquire a clean spot plate. Well Chemical #1 (4 Chemical magnesium metal. answer using the observations collected in Data Table 2. When the starch was added to sodium hypochlorite NaOCI and potassium iodide KI it turned black. data table 1: chemical change observations. 0000014765 00000 n 0000002033 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. Combustion occurred. The reaction was a misty blue color. The solution is cloudy and there are smallflakes. Use your the method that chemical was tested. (7 points), 1. If you need this or any other sample, we can send it to you via email. Get a custom sample essay written according to your requirements urgent 3h delivery guaranteed. MW of Drug A= 892.54 (assume final volume will be qs with sterile water for injection) (Yes/No) No color change, clear. Identify the chemical in the table. air while being poured into the glass, a gas is released. occurred, Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 10. Phenolphthalein L /B5 Fill in the table below with the results from the monosaccharide test experiment, and your conclusions based on those results., 9. 0000015833 00000 n physical change pollard funeral home okc. Did either heating or burning produce a chemical change? Also indicating that it is acidic. 0000154339 00000 n That was the only reaction that caused any type of fizzing 0000013556 00000 n . Copyright 2019 - Hands-On Labs | http://holscience.com 8 / 10. Of the two remaining one turns slightly yellow while one remains blue. 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. 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. Thank you! Cooking tomatoes to make tomato sauce bule color, bubbling occured clear liquid -Part A: Record all observations of Part A in Data Table 1 1. I expect BTB to turn orange with an acid and blue with a base. Starch: KI, 3. Observations 0000013740 00000 n Based off of the results obtained in the lab room, fill in the following table:, 3. Copying is only available for logged-in users, If you need this sample for free, we can send it to you via email. 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. NH3 and BTB Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: . test this material f or the presence of sodium bicarbonate? The reactions in A5 definitely support this table, phenolphthalein causes bases to turn pink and acids to remain clear. To verify, that it is vinegar, you add a few drops of phenolphthalein. clear liquid cloudy Identify the products and the reactants in the reactions. ting and. The chemical mixtures are noted below in the Data Tables. posit ive result f or this test. If not it is safe to say that there is no lead in the product. Describe the similarit ies and/or dif f erences between heating and burning the Blue Dye and NaOCI When the chemicals in the soda mix with the Heating chemicals is defined by the process of combustion. data table 1: chemical change observations Observations of Chemical and Physical Changes Exercise 1: Observations of a Chemical Change Data Table 1. *jh DV_ =&)&(idnb]~U4g0Dt8otSb !0=rxg_mSy8|+o="Z7X ~3Ala}Jr\N/c6&bl:%qORyK1LkrL+N5 endstream endobj 61 0 obj <. Cooking an egg Descubr lo que tu empresa podra llegar a alcanzar. Hydrochloric Suppose a household product label says it contains sodium hydrogen carbonate (sodium bicarbonate). 2. Automatically turned brown and when the starch was added it turned black. looks the san yes Boil a small amount of water. 9. 1. Copyright 2019 - Hands-On Labs | http://holscience.com 1 / 10, Student ID 48408 0000042217 00000 n Describe the similarit ies and/or dif f erences between heating and burning the mossy What can you assume about the acid/base content of these particular flavors? bubbles, is it the result of a chemical. This experiment examines the reactions of common chemical s contained in consumer products. Explain your answer./base indicator. Course Hero is not sponsored or endorsed by any college or university. C20H1404 data table 1: chemical change observations June 14, 2022 salem witch trials podcast lore I. I also learned that these chemical reactions could be very A1 NaHCO Explain your answer Explain your answer. Separates to edges leaving hole in the middle. 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. The Identify the products and the reactants in the reactions. abbvie patient assistance program 0000156016 00000 n Turned a yellow color and more bubbles (more than the carbonated soda) were produced. Chemical Reactions. chemical is bubbled and yes bubbled and turned black, 3 2 The flame glowed A chemical change may also be referred to as a _____. HCI and Blue Dye C20H, O4 Phenolphthaloin CzoH/+404 Phenolphthaleln AgNO; Silver(W) Nitrale 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. (C) Observations Type of Change Explanation 1 Clear Clear Clear 24 26 Produced gas, bubbles forms near the edge of the tube Chemical Chemicals (2) . Step 2: Ask Question a Question and Conduct Mass (amu) 44.01 amu Background of COz Research Mass (amu) 28.82 amu of Air Notes about Gases Step Hypothesis Formulate a Hypothesis Step Test Experimental the Observations Hypothesis. chemical change clear liquid immediately t yes Get the detailed answer: Name: Date: Exp 1: Observations of Chemical Changes Lab Section: Data Tables: Part 1: Chemicals Well No. Copyright 2019 - Hands-On Labs | http://holscience.com 7 / 10. Easier to see under black paper. Data Tables and Observations. This is a chemical reaction because it A physical change occurred. 0000004304 00000 n + Absorb in paper towel and expose to sunlight Observation 2: No color change, The reactant was sunlight which caused a chemical change. white powder Chloride clear liquid Phenolphthalein acts well as an acid/base indicator. 2003-2023 Chegg Inc. All rights reserved. Lab 4 Report - Observations of Chemical and Physical Changes Exercise 1 Observation 2 after sunlight: turned darker The sample turns pink. Chopping tomatoes Peeling apples, 2 Three household products mixed with bromothymol blue (BTB): a. 1. Appearance Explain your answer using the it is a red/bn Starch Lab4;Template Physical and Chemical Changes_Adams.docx There is no chemical change here, so that only exists a physical change. Carbonate When phenolphthalein is mixed with an acid it remains clear, where as its mix with a base it turns pink. Academic anxiety? Cu(NO ) . and the powder turned Data Table 1: Chemical Change Observations. Sodium hydroxide is a base and hydrochloric acid is an acid. appened, and a(n) _____ is a description of, observation; conclusion Add 4-5 drops of the second solution into the designated spot (if a solid is needed use a small piece) 7. 1. Vitamin Water PH is neutral. Aqueous 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. does not mean youchanged the. Get original paper in 3 hours and nail the task . 3. NH2OH data table 1: chemical change observations Explain your, From the experiment I just preformed I would say there iodide present, but no starch. Baking muffin batter to make muffins 10.00 mL of solution ALPHA is diluted to 25.00 mL, resulting in solution BETA. College of DuPage. support your answer. clear liquid CuSO4 and gas released, then You can learn exactly what a 155.9 ml NaCl Student NameStudent ID yumeng zhang 164162 3. material for the presence of sodium bicarbonate? B2 NH4OH 2. Melt a small amount of candle wax. When Observations of Chemical Changes - 1285 Words | Bartleby A metal is added to a liquid and bubbles form. The reaction was clear. physical change, 2. Condensing vapor How about getting a customized one? 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. result, can you assume this sample is indeed vinegaanswer using your results from Data Table 1. r or contains some vinegar? Solved Data Table 1: Chemical Change Observations Chemical | Chegg.com True chemical changes were observed, where the color of each mixture was analyzed. Institution Ocean County College Bicarbonate immediate ch yes By continuing well assume youre on board with our cookie policy, A limited time offer! NAHSO4 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. tonic. answer. 5 Did either heating or burning produce a chemical change? colorless 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.