You are testing the efficacy of different treatments on eliminating SARS-Cov-2 from surfaces. Which treatment is the least effective?       A) Soap and water         B) Zephiran 1:1000           C) Tincture of Zephiran                      D) 1% iodine in 70% ethanol

Q: Your lab partner gets a little confused and prepares a dilution of your protein sample by combining…

A: In case of dilution of solutions, we may use the expression: c1V1=c2V2where,c refers to the…

Q: 2. Determination of the molecular weight of proteins. A student performs a protein separation in the…

A:

Q: DEET N.N-DIETHYL-M-TOLUAMIDE ICARIDIN A.K.A PICARIDIN но, Most common active ingredient. Odourless &…

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Q: TATEMENTS: A - a clayey soil when flooded with a solution containing a negative dye, retains the dye…

A: Answer - The correct option is( D )- only statement B is true  Solution - According to the question…

Q: Discuss the possible reason(s) the food dyes diffuse to form and do not immediately mix

A: The mixing of particles throughout solution via random motion is called diffusion.

Q: • For which of the following problems would ICP-MS be appropriate. Explain why. 1. For the…

A: In mass spectroscopy,  ions are detected by their mass to charge ratio values. so for analysis in…

Q: Choose 1 cosmetic or toiletry ingredient and research its: 1. Function and its mode of action. 2.…

A: The functional ingredients are the ingredients that makes the cosmetic product work.Main ingredients…

Q: By using the rodent bioassay approach, can the concentrations of lead be safe for consumption by…

A: The long-term rodent bioassay (RCB) has been the gold-standard for the pre-marketing prediction of…

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

Q: Prior to using any essential oil, a skin test is recommended. This can be done by diluting _____…

A: Prior to using any essential oil, a skin test is recommended. This can be done by diluting 1 drop of…

Q: How would you prepare the following? 8 liters of 0.7 M galactose. 5 liters of 0.3 Normal (N) H2SO4…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: PP is also taking Advicor, which is a combination product containing extended-release niacin…

A: 1 Stomach pH = 1 1          This is highly acidic medium because pH is equal to one.    So at this…

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: Orange essential oil: (Select all that apply.) Choose at least one answer. a. contains high levels…

A: Origin of oil may be animal, vegetable, or petrochemical. Oil may be volatile or non-volatile.

Q: Explain the pathological process of lead inducing factors adverse reaction

A: The major mechanism of lead toxicity is due to increased generation of reactive oxygen species (ROS)…

Q: With illustration, give brief explanation of the following terms: (i) Biomagnification (ii) LD50…

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A: Emulsifier An emulsifier has a hydrophilic head that prefers water and a hydrophobic tail that…

Q: Which chemical found in cleaning products is effective at breaking down grease/fat?   A. CaCO3   B.…

A: Sodium hydroxide is used in household cleaning products and is used for breakdown of fats. The…

Q: find the true concentration of Fe²+ of the original sample. A) 5.12 ppm B) 2.56 ppm C) 5.05 ppm D)…

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Q: What are the differences between Ligand based and Receptor based pharmacophores?

A: The difference between ligand and receptor based pharmacophore are

Q: the lethal does of potassium cyanide (KCN) taken orally is 1.6mg/kg of the body weight. calculat the…

A: Given: Dose of KCN = 1.6 mg/Kg body weigth  And mass of person = 165 lbs.

Q: A health care provider ordered sulfasalazine (Azulfidine) Oral Susp 500 mg q 6 hr; Directions for…

A: Drug formulation is the mixture containing active component along with inert components. The dosage…

Q: Answer the following questions: 1. Name the active ingredient present in the aspirin tablet. 2. What…

A: Aspirin is a painkiller and used to bring down a high temperature.

Q: Q4- AGENERASE oral solution contains 1.5% amprenavir. A pharmacist wished to change the drug…

A: Given  AGENERASE oral solution contains 1.5 % amprenavir.

Q: The avg. toxicity of animal-based foods is about 0.4pg (picogram) of TCDD equivalent per 1g of food,…

A: Average TEQ of animal based food=0.4 picogram of TCDD equivalent per gram…

Q: What is being described in the following items? - light that interacts with the solution ✓light not…

A: Absorbance is directly proportional to the concentration of the solution.

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A: The process of determining the quantity of a sample by adding measured increments of a titrant until…

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A: Embalming is the process of treatment of dead bodies or organs so to preserve it by protecting and…

Q: | This problem can be worked with Equations 18-6 on a calculator or with the spreadsheet in Figure…

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Q: Disadvantages of using cisplatin as an anti-cancer drug

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Q: A solution with 5 mg/mL of a colored protein has an absorbance of 0.250. What is the concentration…

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Q: Which of the following are typically included in a Pharmacopoeial monograph? I. Tests to confirm the…

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Q: ALBUMIN CONCEN- BIURET REAGENT TOTAL STOCK (10 MG/ML) TUBE WATER TRATION ABSORBANCE (A) VOLUME…

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Q: Does absorbance increase or decrease as the solution concentration of the absorbing substance…

A: From given  Using Beer Lambert's law concentration of species and absorbance is interrelated and its…

Q: Dr. Josh Axe states that frankincense oil has the following properties: (Select all that apply.)…

A: Frankincense oil is used for its therapeutic effects.

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A: COVID-19 virus is primarily transmitted between people through respiratory droplets and contact…

Q: Why is melphalan a good cancer drug?

A: Melphalan is an alkylating agent and it alters chemically through alkylation of guanine and leads to…

Q: A mixture contains Na2CO3, NaOH and inert matter. A sample weighing 28.85 ml of 0.5000N HCl to reach…

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Q: How many grams of progesterone 0.25 % (w/w) powder can be produced if you have a jar of 500 mg of…

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Q: The first chemical used for dermatology-tested skin peeling:

A: Step : 1            The required answer for the above question is follows as :

Q: With illustration, give brief explanation of the following terms: (i) Biomagnification (ii) LD50…

A:

Q: What is being described in the following items? light that interacts with the solution light not…

A: The correct answer is given below

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A: Concentration of the solution is given by the amount of solute dissolved in a specific amount of the…

Q: Isolation of omega-3 fatty acid from fish oil Determination of the omega-3 fatty acid content in…

A: Quantitative analysis is the analysis in which we determine the amount or the percentage of of…

Q: the number of oxygen atoms in 25.0 micrograms of tetrahydrocannabinol (THC), C21H30O2

A: Given data, Amount of THC (tetrahydrocannabinol) = 25 μg = 25×10-6 g

Q: 2- 2PH3CCI Ag Cg16, no air

A: The triphenylmethyl radical was the first radical to be observed by Gomberg in 1900, generated by…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.