Draw a Time temperature transformation diagram for0.8% carbon steel. On this diagramsuperimpose continuous cooling curve to representthe following heat treatments: Write thename of phase obtained after each treatmentmentioned abovea. Annealingb. Martemperingc. Austemperingd. Write the name of phase obtained after eachtreatment mentioned above.

Step 1:Time-Temperature-Transformation (TTT) DiagramKey Features:Austenite: The phase present at…

Answered: Draw a Time temperature transformation…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A pharmacist is preparing a compounded oral suspension preparation using commercially available tablets as the source of the active pharmaceutical ingredient (API). The recipe is as follows: "API" 0.8 mg/mL Structured suspension vehicle qs ad 180 mL Sig: 2 tsp PO BID PRN The tablets are available at a strength of 25 mg. Assume that when the the minimum number of tablets is used to prepare this compounded suspension, the crushed tablets take up 9.5 mL of volume.What volume of suspension structured vehicle will be needed to prepare this compounded oral solution?Round the answer to one decimal place.
Why do we compute for TFM in soaps. How does one calculate for TFM? What is saponification? Show its basic chemical equation What are the Natural Moisturizing Factors (NMF) of the skin? Provide their function. 4. Why are carbomers used in a liquid soap/body wash? Name at least two commercial brands of carbomers.
You resuspend 1 ml of of a purified chlorophyll sample in 10 ml of 80% acetone, and determine that the optical density of the solution (at 652 nm) is 0.88. What is the concentration of your original preparation?
The image shows a whole body bone scan using MDP (mono-diphosphonate) labelled with technetium-99m. • Patient is injected with 600 MBq of Tc-99 MDP • Technetium-99m is a pure gamma emitter, with physical half life of 6 hours. a) Use the data to explain why technetium 99-m is a suitable radionuclide (AC 3.1)
1.0 ml of serum albumin (BSA) solution was precisely diluted to 100 ml with a buffer solution, and the absorbance at 280 nm was measured from this buffer solution at a distance of 1 cm from the light. The result was A=1.0. BSA is 0.1%(=0.1g/l). The absorptivity is e(0.1%)=0.667, so 1g/l solution gives an absorbance of 0.667. What was the original protein content? Report in the result unit mg/ml with an accuracy of 0.1 mg.
Calculate the percentage efficiency of extraction of phycocyanin in sample y, if the amount of phycocyanin is 57.8 mg, and the starting amount in sample x was 118.1 mg. Your answer should have one decimal place.
food safety guidelines recommended that a beef rib roast (bone-in) should cook for 23.0 minutes per pound base on a 325 F oven setting. How many hours should it take to cook a 5.17 pound roast?
Both the physical properties of the API and the excipients are essential to ensure that the formulation is physically stable and suitable for administration to patients. Discuss the general formulation considerations. The instability of emulsions may be either reversible or irreversible. Cracking indicates the extensive coalescence of the internal phase, consequently, leads to the separation of the emulsion into two distinct layers. How the cracking is occurring in the emulsions? If an emulsion has cracked will it be recovered. If yes/no discuss the phenomena. Discuss the lyophilization and appraise its importance in the pharmaceutical industry with suitable examples
Antacid tabletAluminum hydroxide 325 mgMannitol 812 mgSodium saccharin 0.4 mgSorbitol (10% w/v sol’n) 32.5 mgMagnesium stearate 35 mgMint flavor concentrate 4 mgBatch size: 150,000 tabletsHow much mannitol is needed for the batch size?a. a.12.2 kgb. 121.2 kgc. 121.8 kgd. 1218 kg
Find the approximate radiation dose (in mSv) for 0.1 Gy exposure to thermal neutrons. (Hint: relative biological effectiveness for various types of radiation can be found in Table 32.2 in the text.) A range of answers is acceptable.
Four lab groups completed the experiment listed in the lab diluting lul of FCF dye into 1ml of water. The A625 values are listed below. For brilliant blue FCF, ɛ =97000 M-1cm–1 MW = 792.8 g/mol %3D Group # A625 % solution (in original stock sample) Percent ror (True value of Stock=0.2%) 1 0.244 0.199 0.5 0.209 0.170 15 3 0.306 0.250 25 4 0.187 0.153 0.235 a. Which group was more accurate? b. What are possible reasons group 3 had a much higher Absorbance than the others? c. What are possible reasons group 4 had a much lower Absorbance than the others?
The most important factor guaranteeing a biochemical change is a. A positive ∆G b. Appropriate temperature c. A negative ∆S d. A negative ∆G

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