After the performance of the experiment, pour unused material/chemical back into the reagent bottle to avoid contamination of stock reagent. Whenever instructed to use water in the experiments, use alkaline water unless instructed to do otherwise.
Q: Place 5 mL of starch solution in a test tubes. Heat the test tubes to boiling and add 1 mL of…
A:
Q: Use the items to construct a flow chart for the procedure used to create a saturated borax solution…
A: The blanks in the given procedure is filled as follows,
Q: Which of these pictures show decolorization?
A: Substance appeared coloured due to presence of impurities . Example :brown sugar Brown sugar with…
Q: Calcium carbonate (marble) boiling stones must not be used in the experiment because they will…
A: The statement is true. Calcium carbonate boiling stones must not be used in experiment, because…
Q: Name the water purified the above separating techinque
A: Water Purification The process of purifying water involves taking out unwanted chemicals, biological…
Q: In the preparation of acetylsalicyclic acid, the crude crystals can be recrystallized with an…
A: Our correct answer is True.
Q: Provide an experimental procedure for Terephthalic acid using the chemical/reagents and…
A: The synthesis of terephthalic acid from benzene involves two steps. In first step 1,4-dimethyl…
Q: Write TRUE if the BOLD word/phrase makes the statement correct. Otherwise, write the correct…
A: Recrystallization, also known as fractional crystallization, is a procedure for purifying an impure…
Q: Create a chemical equation based on this procedure below depicting the reaction being conducted. It…
A: As per the procedure, sulfolene, xylene and maleic anhydride were mixed.
Q: A student rushed through this experiment, but noted some procedural errors in their lab…
A: Remember, during titration we follow: N1V1 = N2V2 If N2V2 is considered for unknown solution then…
Q: For liquid water list all IMFs that have to be broken for it to mix with acetone
A: liquid water mix with acetone
Q: In the molecular weight determination by the Dumas method, several grams of an organic liquid was…
A: The mass of the bulb filled with vapor was 36.127 g;The mass of the empty (evacuated) bulb was…
Q: What type of chemical reaction is occurring in this experiment to produce H2 at the cathode:…
A: Applying concept of electrolysis.
Q: Dilute solution of alkaline potassium permanganate is known as Baeyer's reagent Tollens' reagent…
A: Dilute solution of alkaline potassium permanganate is known as ??
Q: For either of these solvents explain why it would be a better choice as a recrystallization solvent…
A: Recrystallization is a technique used to purify compound. For recrystallization, dissolving both…
Q: Common Name Chemical Formula Systematic Name Battery acid Plaster of Paris Grain alcohol…
A:
Q: Oxidation of Fluorene: What would be the consequence(s) if your solvent system for running the…
A: Please find your solution below : If your solvent system for running the column was too polar, all…
Q: Suggest various methods to remove temporary and permanent hardness of water with appropriate…
A:
Q: Direction:A. Create a complete workflow process of producing a Liquid Dosage Form through…
A: There are many types of liquid dosage form-syrup,emulsion, suspension.
Q: Why do we use distilled water and not tap water for boiling point elevation experiment?
A: Boiling point elevation occurs when there are dissolved minerals in the water.Distilled water…
Q: Create a chemical equation based on this procedure below depicting the reaction being conducted. It…
A: Synthetic organic chemistry involves the production of new molecules by the appropriate combination…
Q: A. Create a complete workflow process of producing a Liquid Dosage Form through Extemporaneous…
A: The workflow chart for production of liquid dosage form is given below.
Q: If you did not completely dry the Erlenmeyer flask before weighing the result, how would that affect…
A: Given : You did not completely dry the Erlenmeyer flask before weighing the result.
Q: Synthesis of Vitamin A Acetate OH PBr, PhSO,Na sO,Ph Vinyl-B-ionol 1) KO'Bu 2) Br OEt SO,Ph OEt OAc…
A:
Q: How can we use a known reaction to preform a presumption test
A: Presumption Test :- Qualitative analysis that allows to identify, or confirm, the presence of a…
Q: In the Separating Acids and Neutral Compounds by Solvent Extraction experiment, why was sodium…
A: In the Solvent extraction method, two immiscible solvents are used to separate a mixture of…
Q: visualization methods
A: In this question we have to choose correct option of that which is not visualization methods involve…
Q: You found two bottles in the laboratory labeled X and Y. The instructor said that these bottles…
A: Flame test is the test of qualitative analysis of inorganic salts to identify Cations present in…
Q: What is the purpose of chromic acid test? What is the evidence of positive result?
A:
Q: briefly explain why it is necessary to be careful when disposing of the filter paper salt bridges
A: In a galvanic cell, a device which is connected between the oxidation and reduction half cell is…
Q: In an experiment where they heat the reaction under reflux using butanone as the solvent. What is…
A: A reaction is under reflux using butanone as the solvent, for which constant heating temperature is…
Q: Nitrous Acid Test Procedure: Make a solution of 4 grams NaNO3 in 16 mL water. Put 2 mL of…
A: Nitrous acid test is the test used to distinguish between primary, secondary and tertiary amines.
Q: Write the experimental procedure that provides all the details required to complete this experiment.…
A:
Q: Provide the balanced reaction for this experiment? a piece of weigh paper (or weigh boat) and…
A: The balanced chemical reaction between KHP and NaOH is given below as,
Q: In most distillations, the total volume of liquid obtained (distillate + residue) is not equal to…
A: In most distillations, the total volume of liquid obtained (distillate + residue) is not equal to…
Q: Why is concentrated hydrochloric acid used in the flame test and not any other concentrated acid?
A: Certain metals possess tendency to absorb radiations and get excited to greater energy states. Thus,…
Q: After treating the activated carbon with sulfuric acid or any acid, I found out that it is needed to…
A: acid wash of activated carbon
Q: Briefly, discuss reflux and why it is commonly used in organic chemistry.
A: Here a term 'reflux' is given.Generally it is used in organic chemistry. We have to discuss about…
Q: of the following may cause an increase in the calculated percent recovery of the recrystallized…
A:
Q: Give some improvements in Dry Flue Gas Desulfurization System for removal of sulfur dioxides
A: Answer - Flue-gas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide (SO…
Q: Which oil - olive oil or coconut oil - would you expect to have a higher peroxide value after…
A: The peroxide value indicates the amount of peroxide generated in an oil sample by exposure to…
Q: What are the common faults in the Water distiller instrument?
A: You'll need to clean the boiling chamber on a regular basis to maintain your water distiller running…
Q: What may be the complications in doing nitrous acid test and how will it be resolved?
A: Nitric acid is an extremely corrosive acid capable of causing severe chemical burns very rapidly. If…
Q: In handling reagent, excess reagents should be
A: The quantity of the reagent once you taken from the reagent bottle, the excess of reagent after…
Q: If ammonium chloride was mixed into the sand in a sandbox, then would this be of any concern?
A: Ammonium chloride- AlCl3 Aluminium chloride and sand are mixed in physical forms. They form a…
Q: involved Deasphalting, Visbreaking, Hydrocracking, Fluid Coking, Production of high-quality gasoline…
A:
Q: CREATE A SCHEMATIC DIAGRAM USING THE PROCEDURE: Weighing of standard reagents 1. Make an…
A: Chemists use standard reagents to avoid worries about the purity of the chemical compounds. While…
Q: Give and explain two precautions in brine solution experiment.
A: Brine solution also known as Sodium Chloride Solution. While doing any experiment involving to brine…
Step by step
Solved in 2 steps
- Restrosyntheic analysis and route needed. Attempted disconnections but unsure if its right and what to do nextFiskesjo, is one of the pioneers of allium test. Diagram his procedure and a recently conducted study and differentiate it.Write a essay summarizing details and analysis of proofs for identification test for Qualitative Tests for carbonyls and Unknown carbonyl resulting in the final Unknown, which is benzaldehyde. Explain and describe in details all chemical test proof of benzaldehyde.
- Can I perform an acid/base extraction to separate all three: anisole, benzyl alcohol and aniline, dissolved in chloroform? Show reaction or equations1 a) Provide a detailed experimental report for the preparation, analysis and results (Theoretical and percent yield calculations etc) that you will need to employ for the preparation of 2 grams of para nitroacetanilde from 2 grams of acetanilide. b) Include amounts of any other reagents that are needed, safety precautions that should be followed for the synthesis.Why do we need to allow the solution of KF reagent to stand overnight before standardizing? if copied from google please paraphrase
- referring to the NIST website, would you recommend simple fraction distillation to separate a mixture of cyclohexane and toluene? Eplain your selectionCompound A is impure and has a melting point of 93°C - 105°C. After purification, A will most likely have a melting point ofDiscuss in an essay the three proofs for the identification of Unknown in the chemicals Test for Qualitative Tests for carbonyls and Unknown carbonyl leading to the final result of Unknown which is Benzaldehyde. Give greater hierarchy details and specific reasons for Benzaldehyde as Unknown. Explain why benzaldehyde is the result for identification in the chemicals Test for Qualitative Tests for carbonyls and Unknown carbonyl.
- Assuming you are a chemist and you need to extract ethanolic acid in a benzene solution. Propose and briefly discuss how to extract the ethanolic acid in the benzene solution. Include the reactions involved in each step, if any.Write a essay summarizing details and analysis of proofs for identification test for Qualitative Tests for carbonyls and Unknown carbonyl resulting in the finalUnknown, which is benzaldehyde.In most distillations, the total volume of liquid obtained (distillate + residue) is possible sources of loss in this procedure?