Q: What is Van dorn water sampler
A:
Q: I need help with this
A: The details solution for this reaction is provided below in attach image.
Q: How do you know if your analyzed vinegar sample conform with the FDA standards?
A: Vinegar is made from acetic acid and water and it is a sour liquid. The acidity in vinegar is due to…
Q: Why is a boiling stone used when solvents are heated to boiling point?
A: Boiling stones are small pieces of black porous rock that are added to solvent or solution.
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: When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform?
A: Bromoform not soluble in water. So when water is mixed with bromoform, they form to separate layer.
Q: diffrentiate between oil in water emulsion and water in oil emulsion.
A: Dispersed phase and dispersion medium are liquids in the colloidal systems. Such liquid systems are…
Q: Explain briefly why washing the soap product with water is a very important step before using the…
A: Soaps are made from natural ingredients, such as plant oils (coconut, vegetable, palm, pine) or…
Q: Look at the photos carefully. Match each description to the best burette photo for that description.…
A: A titration is a method used to assess the concentration of an unknown solution using a solution of…
Q: An oil sample had its iodine number determined using the pyridinium tribromide method. The sample…
A: To calculate iodine number, using formula: I.N=BmL-SmL*1.269 g/mLW(g) W (g) = weight of oil in gram…
Q: Show complete solution:
A: Given that :
Q: PhH (solvent)
A: This reaction is an example for (4+2) cyclo addition It is thermally allowed reaction 2 C-C…
Q: I think you weren't able to finish the solution?
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Q: Crystallization is a type of purification method.
A: First we have to know about crystallisation. Crystallisation : A process in which a chemical is…
Q: How does the analyzed vinegar sample conform with the FDA standards?
A: According to the Food and Drug Administration(FDA) standards, the minimum amount of acidity that a…
Q: Suppose you are allowed to mix drain cleaner and battery acid, what type of solution would you…
A: The substances allowed mix are drain cleaner and battery acid.
Q: Prepare 500 ml of 70% and 90% ethyl alcohol from 97% ethyl alcohol using the formula: C1V1=C2V2.
A: The detailed solution of your question given below-- Using the given formula we can find the answer…
Q: When you use a balance to weigh a reagent, you should weigh onto: -a filter paper. -the top of the…
A: Practical of any subject can help us to gain better knowledge of that particular subject specially…
Q: Please provide fast solution....
A: We have to determine which amino acid would have the most similar curve to amino acid Q
Q: PLEASE HELP WITH THIS , CLEAR DRAWING AND SOLUTIONS WOULD BE APPRECIATED
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Q: What is the purpose of chromic acid test? What is the evidence of positive result?
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Q: Describe the steps involved in recrystallization.
A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…
Q: An oil sample had its iodine number determined using the pyridinium tribromide method. The sample…
A: To calculate iodine number(I.N), using formula: I.N=(BmL-SmL )1.269g/mLW(g) BmL is the blank volume…
Q: NaOH (1 equiv.) Molecule A
A:
Q: PROCEDURE: 1. Design a procedure for preparing 100 mL of 0.50 M sugar solution. 2. Present your…
A: Molarity is expressed by number of moles of solute present per Litre of solution. Recall the…
Q: Calculate the theoretical yields of: Isobornyl acetate IsoborneolCamphor
A: The term theoretical yield of a given substance can be defined as the amount which is predicted by…
Q: What is the active ingredient in powdered detergent?
A: Powdered detergents are employed for cleaning dirt and oils. Powdered detergents contains several…
Q: Why should the sodium carbonate be dried prior to standardization? Answer briefly and own words
A: sodium carbonate is a common primery standard used in the titration of acids vs bases. sodium…
Q: molecules are
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Q: Practie Use a flow chart to show how you could separate a mixture of the following compounds using…
A: Given that Tha separation mixture
Q: What is wrong with this reaction ?
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Q: Recrystallization and Melting Points Why do you need to heat a sample slowly when taking a melting…
A: Interpretation: We need to tell why we heat sample slowly during determination of melting point.
Q: recrystallization
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Q: List five safety rules when using hydrochloride acid in laboratory
A: The chemical formula of hydrochloric acid is HCl and it is also known as hydrogen chloride.…
Q: how and when do chemical reaactions occur?
A: This question is related to general chemistry. A chemical reaction is the process in which one or…
Q: Please provide neat solution
A: Given: G°f (CO(g)) = -137.168 KJ/mol G°f (H2(g)) = 0.0 KJ/mol G°f(CH4(g)) = -50.72 KJ/mol G°f…
Q: Which of these is a detergent?
A: Since we know that Sodium or potassium salt of higher fatty acids are called as soap .And Ammonium…
Q: why is there are bubbles formed when aniline is added to nitrous acid?
A: The chemical formula of aniline is C6H5NH2 and that of nitrous acid is HNO2.
Q: (c) Draw a well labelled suitable diagram/quick sketch to convert [ turbidity containing raw water…
A: turbidity can be reduced by sampling the water tools and then applying waste water treatment…
Q: I. Moisture and heat labile reagents are preferred for dry granulations. II. Dry granulation…
A: 2) I. Blaud's pills are used medication for patients sufferingfrom anemia. I. Ferrous carbonate is…
Q: which salt best for keeping roads from icing
A: Addition of salt to water lowers the freezing point of the ice-water solution. As ice comes in…
Q: what is Sandmeyer reaction?
A: Sandmeyer reaction comes under substitution reaction. It is widely used in the production of aryl…
Q: Explain which hydrolyzed component will be positive in the Br2 water test. (Refer to image)
A: Alkenes can be defined as the organic compounds that contain carbon and hydrogen atoms in a…
Q: Why are basic substances used for cleaning agents?
A: Substances used to eliminate dirt such as stain, mud, unpleasant smells and clutter on surfaces are…
Q: percent yield?
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Q: What are the prroducts when you mix acetaldehyde, acetone, and sodium hydroxide together?
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What is Kemmerer water sampler
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