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Q: How many kilograms of NaCl contain 3.49 x 10 ions? There are 2 moles of ions per mole of NaCl, and 1…

A: Given  number of ions of NaCl= 3.49 x 1025 ions molar mass of NaCl = 58.5 g/mol 1 mole  = 6.022 x…

Q: The alumina-reinforced crowns were generally regarded as providing slightly better esthetics for…

A: Alumina reinforcement has been used for increasing the strength of dental porcelains used for…

Q: show the instrumentation of HPLC providing a schematical representation ?

A: Instrumentation:-

Q: Where would the r and d be mark on bcc?

A: In this question, we have to represent d and r in the bcc diagram in the preceding question.

Q: What is an emulsion?

A: Emulsification is the process of dispersion of one immiscible liquid and another immiscible liquid,…

Q: What is the molar mass of 1-pentene if 4.30 x 1016 molecules of 1 pentene weigh 5.00 µg? 0.36…

A: Given , weight of 4.30 × 1016 molecules of 1-pentene is 5.00 μg.  We have to calculate molar mass of…

Q: If a 10 mg/mL solution of ovalbumin (mol. wt 42 kDa)  reacts with Biuret reagent, and has an…

A: Formula of Absorbance  is given as : A = e. C. l  Where ,  e = molar absortivity C = Concentration…

Q: HSP-02-754 ppm 180 160 140 120 100 PPM 60 40 20 H. H.

A: The question is based on the concept of spectroscopy.   we have to analyse the spectral data…

Q: What is retrosynthetic analysis ?

A: In the field of organic chemistry, the most important part is to produce an organic compound. The…

Q: What are the other tests performed for the measurement LUTEINIZING HORMONE? Explain the principle…

A: This test measures the level of luteinizing hormone (LH) in your blood. LH is made by your pituitary…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: We have to draw the curved arrow mechanism of the given reaction.

Q: Question 5 Assign labels A, B and C to the spots in the TLC below and explain your answer. OH OMe…

A:

Q: Ref ranges Results 3,7 mg/dl 35mg/dl 12.5 ml/min Tests Creatinine Females <1.2 BUN 5-20 Creatinine…

A: A 60-year-old woman with a history of rheumatoid arthritis, smoking of 60 packs/year, chronic…

Q: Cohort study is which type of study? Lütfen birini seçin: a. Cross-sectional b. Invasive c.…

A: There are various types of study the given data. Like thermodynamic is the branch of chemistry that…

Q: The most common test used for the measurement of hormones is: A) immunoassay B) colorimetric…

A: The objective of the question is to identify the most commonly used test for the measurement of…

Q: 1. State the mathematical equation known as Beer's law. Define each symbol.

A:

Q: if the hplc chromatogram showed a large peak for LLL triglyceride, why would this be inappropriate…

A: Olive oil- it is a mixture of dozens of different triglycerides. Good or unadulterated olive oil has…

Q: Question 1 Methylated samples hydrolysate samples can be analyzed using a gas chromatography. O True…

A: Chromatography is a technique  used  for seperate the reaction mixture.

Q: Which of the following methods results in the most sensitive method? A) All 3 methods have equal…

A: We are given Absorbance versus concentration of aspartame (mg/mL) graph for 3 different methods A, B…

Q: Br2 1) HCI 2)

A: 1.Alkyne reaction with dibromine Alkyne gives addition reaction with dibromine . In this reaction…

Q: Molar Mass, Molarity, and Dilutions Practice How many kilograms of NaCl contain 3.49 x 1025 ions?…

A: Since we solve one question at a time, we’ll answer the first question as the exact one wasn’t…

Q: Calcium Gluconate 18 mEq = ________ml

A:

Q: % of KCIO3 in unkown

A: We have to find the % of KCIO3 in unkown

Q: 1. What is the role of initiator and inhibitor? 2. What are short stops?

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

Q: On red peeling face, what should we apply skin care to relieve it? Can we use cream that contain…

A: For red peeling skin one can do these : Apply cortisone cream such as hydrocortisone, may help…

Q: "ooc-CH, H,C-coo EDTA is a hexaprotic system with the pK, values: pKa1 = 0.00, pK2 = 1.50, pK3 =…

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Q: Question 2 Generally, the major parts of HPLC are the following, except: O Waste Bottle O Solvent…

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Q: KOH, CH3CH₂OH reflux Ⓡ

A: The given reaction is .We have to give the product of the above reaction.

Q: Briefly explain how to use litmus papers.

A: Litmus paper: It is a kind of laboratory made paper which is used as indicator for acids and bases.…

Q: Define selective functionalisation

A: Sometimes it is essential to form a perticular isomer of any chemical compound for there medicinal…

Q: Is agar positive on anthrone test?

A: Anthrone test is also another general test for all carbohydrates. In this test also, carbohydrate…

Q: Percent saturation 100 10 0 1 10 100 L [MM] 1000 1. Sketch a) A graded response b) A hypersensitive…

A: The objective of the question is to understand the different types of responses (graded,…

Q: How do you remove Prussian blue stain?

A: Prussian blue is a dark blue dye that is produced on the oxidation of ferrous ferrocyanide salts.…

Q: 1. Sketch gly-gly molecule. 2. What were the results in each test tube? (a) egg albumin (b) casein…

A: 1. Gly-gly Molecule 2. Here's a summary of common tests and what you might expect for each…

Q: Write 3 ways that can be used to get rid of emulsion.

A:

Q: is lactaid real or placebo? love you thanks

A: Lactaid does not work ,it is a placebo.

Q: what medium will lidocaine be absorbed?

A: Since polar solvent dissolves polar solutes and non-polar solvent dissolves non-polar solutes.

Q: What are analytes and how can they be used for biochemical recognition?

A: The unknown biological compounds or elements, such enzyme substrate, complementary DNA, and antigen,…

Q: Draw the starting alkene that would lead to these major products under these conditions.

A: Alkenes are hydrogenated by the reaction with hydrogen in presence of finely divided nickel,…

Q: HO and ?

A: Alcohol can be defined as an organic compound in which carbon atom is attached to hydroxyl group.

Q: Draw the organic products formed in attached reaction.

A:

Q: How mony half-liver must pars before the amount of radio active matenal remaining ir lerr than 1% 1

A: Radioactive decay follows first order kinetics. Half-life is the time after which the radioactivity…

Q: How do you remove substances that Give The Same Reaction As Sugar With Nylander’s Test?

A: Solution: The reaction is sugar with Nylander's test is shown below: A black precipitate of metallic…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.