1. Assign R or S configuration to all chiral centers in the following compounds: CH3 +H -H COOH 1. HS CH₂CH3 I C"H CI 2. 3. CH₂CH3 I H₂CC H F 4. COOH CH3CH₂ N+₂ -NH₂ CH3

Q: Based on the risks and benefits of bleach and vinegar and as an individual make a recommendation in…

A: When considering household disinfection, two commonly considered options are bleach and vinegar.…

Q: 2 Benefits of Strawberries

A: Strawberries are sodium free, fat free , cholesterol free ,low calorie food. Strawberries contain…

Q: Which species is formed when the CH3N₂* cation loses a nitrogen molecule? A. H3C B. H₂C: C. H3C. D.…

A:

Q: ĮKelerences) VISUALIZATION Polyester Formation %3D но-А-он но-с- В-с-он ethylene glycol (A group)…

A: The ethylene glycol reacts with terephthalic acid to form polymer.

Q: 6. What is vinegar and how does it influence the chemical reactions taking place? 7. Can you write…

A: Interpretation: To find out how vinegar influences chemical reaction when aspirin is dissolved in it…

Q: What is the difference between soaps and detergent?

A: A question based on surface chemistry, which is to be accomplished.

Q: Considering structures A–D, classify each pair of compounds as isomers, resonance structures, or…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: How will you prepare 50% (v/v) DPPH solution?

A: Given  50% (v/v) DPPH solution.

Q: Can you give me the data gathering method for Odor testing in water?

A: The quality of drinking water is judged by taste and water. If the quality of water is good then it…

Q: 14. Chemical substance present among benzoates 15. Chemical substance present in nitrites.

A: 14. Answer -  Preservative Explanation - Sodium benzoate is an organic sodium salt resulting from…

Q: Discuss the influence of heat or temperature and humidity on the stability of medicines

A:

Q: _7. Statement 1: All food additives are carcinogenic. Statement 2: Food additives must be avoided as…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The molarity of an aqueous solution of hydroiodic acid, HI, is determined by titration with a 0.118…

A: The given reaction is: The molarity of HI can be calculated as follows: where MHI is the molarity…

Q: 2. You receive a request for 2% w/w calamine in emulsifying ointment, however you only have the 5%…

A: Firstly we need to found total weight that will make it 2% w/w. Then we will subtract 200 grams to…

Q: Identify 2 cosmetic ingredients (either in cosmetic or toiletry products) that are classified under…

A: We have to find 2 cosmetic ingredients comes under the categories of Skin sensitizer. Skin irritant,…

Q: Br i) NACN iv) D.

A:

Q: Determine the number of atoms in 39.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: What type/s of emulsion is/are sunscreen lotions?   a w/o   b o/w   c both a and b   d none of…

A: Given Sunscreen lotions. We need to determine the type of emulsion present in sunscreen lotions.

Q: What is the IUPAC name for the following alkane? CH3 CH3 CH₂-C-CH₂-CH-CH₂ CH₂

A: (1) This compound has long chain of five Carbon and there are two methyl groups attached to second…

Q: What was the extraction method used by the scientist who discovered quinine?

A:

Q: 9. C,H¿O (Propanone) 10. C,H10 11. C,H,OH (Isopropanol) 12. C,H1,0 (Pentanone)

A:

Q: Solution Concentration of FeSCN2+ (M) Absorbance 1 0.0000491…

A: According to Beer Lambert law, the absorbance of any solution is directly proportional to the…

Q: which are the main ingredients in certain pesticides and “nerve gases”

A: Nerve gases are a class of organic chemicals that interupt the mechanisms by which nerves transfer…

Q: Please write the chemical equation for the synthesis of detergent. Thanks!

A: We can synthesize detergent in two ways .  Sulphonation Neutralisation

Q: C/ поведен НО OH SOCIz Pyridine

A: SOCl2 known as thionyl chloride used to convert carboxylic acids to acid chlorides. The reaction…

Q: Why Kevlar are strong materials and have high melting temperature?   2. What is the application of…

A: Polymer chemistry:

Q: 50 mg/day 2. The following regimen for oral How many scored 25-mg tablets and how many 5-mg tablets…

A: 50 mg/day x 10 days 25 mg/day x 10 days 12.5 mg/day x 10 days 5 mg/day x 10 weeks

Q: I need help with these.

A: The solution is given below -

Q: artificial sweeteners good or bad?

A: Artificial sweetners are sugar substitutes. It is sweet in taste

Q: uestion: Calculate the percent of sodium ypochlorite in the original bleach bottle using pur average…

A: The question is based on quantitative analysis. we have to calculate percentage sodium hypochloride…

Q: Differentiate between disinfectants and antiseptics.

A: Both the antiseptics and disinfectants are used for sterilization but their specifications are…

Q: 3: A method for removal of dissolved organic compound from wastewater

A: There are different processes and methods for removal of dissolved organic compound from wastewater…

Q: I need help with this

A:

Q: PLEASE HELP WITH ALL. THANK YOU

A:

Q: I need help with these.

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: What was the purification method used by the scientist who discovered quinine?

A:

Q: 1. What is the most appropriate way to dispense 1.38 g of solid sodium chloride? With a graduated…

A: with the help of spatula is the most appropriate way to dispense 1.38g of Solid sodium Chloride.…

Q: 1. Why is it essential to compare the cosmetic ingredients and properties of the different brands of…

A: 1. Everyone has different type of skins someone can have oily skin, dry skin or any other type. So,…

Q: What are oil in water emulsions ? Give examples from daily life

A: Oil in water emulsion means,

Q: What would be an appropriate shelf-life, t90, for this drug (in days) in this solution?

A:

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.