How long the time I need to dryied the g-C3N4 under vacuum at 60 C after washed and filtered?

Q: What is the amount of betamethasone dipropionate present in 10 g of 0.025% w/w ointment?   a 25 mg…

A: 1- 0.025% w/w means 0.025g compound dissolved in 100g of the solution.  We need to determine the…

Q: How to increase the shelf life for about a month of ready to drink bottled sorghum porridge…

A: Hydrocolloids are hydrophilic polymers containing polar or charged functional groups which makes…

Q: 1.What are the factors to consider when choosing an emulsifier?

A: As per the rules only the first question can be answered

Q: why is boiling water not a recommended sterilization method?

A: why is boiling water not a recommended sterilization method is given below

Q: 14% ethanol. How much of 14% v/v ehathol to acquire 14ml of acetic acid?

A: Volume Percent: The volume percent is used to express the concentration of a solution when the…

Q: Synthesize each compound from benzene.

A:

Q: Given that the Ksp for BaCO3 is 5.10 x 10-9, calculate the number of grams of BaCO3 that will…

A: From given data,  Ksp= 5.10 x 10-9 Volume of water = 1500 mL = 1.5 L  (Also, molar mass of BaCO3 is…

Q: What is the procedure of ethanol distillation from yeast sugar wash?

A: Ethanol is manufactured from molasses by the fermentation process. Fermentation is the process of…

Q: If the melting point range obtained from the unknown sample is 121-122 degrees Celsius, can we say…

A: Please find your solution below : Melting point of a substance is defined as a temperature at which…

Q: 1- what mean by a " lanolin "? 2- why the final mixture became lumpy, what should you do ? 3- What…

A: Lanolin :- A Lanolin is a fatty substance obtained from wool and used in cosmetics, and ointments…

Q: stearic acid triple pressed

A: In this question we have to explain about the stearic acid triple pressed, why cream is thicker and…

Q: pahol 90) Chemical compounds that lighten natural known as a) Color removers b) Hair Lighteners c)…

A: 90) Chemical compounds that lighten natural known as a) Color removers b) Hair Lighteners c)…

Q: method of preparation of the unisom cream

A: The major active ingredient in unisom cream is diphenhydramine HCl. Unisom is used to treat…

Q: Where is fuerrous ammonium sulfate hexahydrate sourced from?

A:

Q: Benzillic Acid Lab Q3. Cold water and ethanol was used to wash/rinse the collected solid during…

A: The rinse is to wash off impurities that adhere to the surface of the tetraphenylcyclopentadienone…

Q: 17. What is the Ceiling and fluidity temperature ? 18. This polystyrene has a number average…

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

Q: Describe the procedure you would follow in removing the lower and the upper layers from a separatory…

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

Q: If my melting point range of my recrystallized materal is from 118-125 degrees Celsius, what does…

A: Since the melting point is in range of 118- 125°C . This range is large.  Again we know that pure…

Q: Fine-crystalline yellow powder is: A. Codeine B. Chinozol C. Ethylmorphine hydrochloride D.…

A: Codeine- It occurs as odourless colourless crystals or white crystalline powder. ***Chinozol is not…

Q: Show the saponification of a liquid soap.

A: The explanation is given below-

Q: HO CH3(CH2)16 CH2 CH2 3 NaOH 3 CH3(CH2)16 + Na но CH H,O CH3(CH2)16 CH Sodium salt of CH2 stearic…

A:

Q: A Dumas nitrogen analysis of a 5.72-mg sample of compound E gave 1.31 mL of nitrogen measured a 20…

A: Given, A Dumas nitrogen analysis of a 5.72-mg sample of compound E gave 1.31 mL of nitrogen measured…

Q: method of preparation of Togent cream

A: In case of minor burns, sunburn, minor cuts, scraps, and insects bite, Togent cream is used and…

Q: osazone

A: Dear student this question is related to organic chemistry.

Q: Which has the greater specific gravity 1 ml of urine or 1 ml of water?

A: Specific gravity = density of substance/density of water

Q: Describe the preparation of (a.) 2.50 L of 21.0% (w/v) aqueous glycerol (C3H8O3); (b.) 2.50kg of…

A: The preparation of solutions are explained in below.

Q: Caffeine 140 Benzoic acid y = 66,392x R>=0.9995 120 y= 23.633x R2 =0.9999 100 80 60 40 20 b.... . .…

A: The formula for the uncertainty in slope is shown below: Standard errorS.Dm­ = m1R2 - 1(n-2)1/2…

Q: What is the difference between Benedict's and Barfoed's test?

A: Chemical reagent can be used to distinguish between two compounds and it is also used for…

Q: What would be the emperical formula for a compound that is made at STP from 3 mL H2 and 1 mL of N2.

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

Q: Mention two examples of emulsifying agents for o/w emulsions and w/oemulsions.

A: An emulsifier or emulsifying agent is a compound or substance that acts as a stabilizer for…

Q: You have a prescription for 150g of 2% psoriasis w/w cream but only 8% cream in stock. How much of…

A:

Q: What is the function of each step or reagent used in the isolation of casein from milk? -Warm…

A: Most of the proteins show very less or minimum solubility at their isoelectric point and this…

Q: 45- NO2 03 40. 35- 30- 25- 20- 15- 10- 5 0- Concentration (ppbv) ||

A: By studying the graph clearly we can infer following details, between the date 14march and 16march.

Q: Why do lactomer stitches dissolve within 2 to 3 weeks following surgery?

A: Lactomer stitches dissolve within 2 to 3 weeks because they are absorbed within the body by…

Q: 32. Glycolipids are a type of a. wax Ob. sphingolipid C. phospholipid d. nonsaponifiable

A: The lipids found in cell membranes can be categorized in various ways. Phospholipids are lipids…

Q: Show the saponification of a solid soap.

A:

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…

Q: how many warts are contained in 13 wigs? use the following conversions. 1.0 querk contains 13 warts…

A: Reach wigs to warts by given conversion  5 wigs = 4 nerfs  13 wigs = 4×13/5nerfs  Now 6 nerfs= 5…

Q: Can Zinc pyrithione cure Inflamed Acne, Clogged Acne, Cystic acne, Nodular acne and any other type…

A: Answer What role does zinc play in the treatment of acne?Zinc is one of the many vital elements…

Q: Based on the table below, which sample has the lowest melting point? Fat or oil Palmitic A 24.6 B…

A: There are 4 samples are given having different% of fatty acid by weight.

Q: 1. What are the two reactants used to synthesize the Aspirin? 2.  Why is water added to the…

A: Aspirin is synthesized through the esterification of salicylic acid by the acetic anhydride.The…

Q: How is lactic acid purified by distillation? Simple or Fractional Distillation?

A: Distillation is the process of separating the components or substances from a liquid mixture by…

Q: Stearic acid and linoleic acid have 18 carbon atoms each. Complete the sentences to explain why…

A: Stearic acid and linoleic acid have 18 carbon atoms each. Stearic acid melts at 69°C Linoleic acid…

Q: 2 If a pharmacist added 12 g of azelaic acid to 50 g of an ointment containing 15% azelaic acid,…

A:

Q: After the initial classification, how should inmates go through reclassification at a later time

A: The purpose of an external classification is the placement of prisoners at different facilities and…

Q: 1 Which of the following procedures would give the result in test tube #2? O Mixing rennin with milk…

A: Test tube 1 shows intact milk. Test tube 2 shows milk all coagulated and denatured.

Q: 5. Write the equation involved in the following tests? Molisch test Mucic acid test Bials-orcinol…

A: Molisch test is used to identify the presence of carbohydrates in the given sample

Q: how does DCM and water extract caffeine from coffee and why would we have a low yield vs expected?

A: Caffeine is more soluble in DCM than water.