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Q: What is Van dorn water sampler

A:

Q: I. III. 0 NNCH 3 MeOH OCH3 OH OCH3 II. IV. COH MeOH

A: ->Nucleophilic addition-elimination reactions, involves the addition of a nucleophile to a…

Q: Multiple Choice Question At which position should you keep the solution level of reaction mixture…

A: Answer  : The solution level of reaction mixture should be lower than that of silicon oil bath…

Q: Please fill in the blanks! Thanks!

A: The given chemical reaction is represented as follows:

Q: How can the mixture of kerosene oil and water be separated?

A: Mixture is a type of matter which is composed of two or more substances. These are called as…

Q: The Q vs time plot below represents which of the following disturbances to this chemical…

A: The given curve indicates that the reaction is in equilibrium,The given Reaction is an acid base…

Q: When using a 50 mL volumetric flask, approximately what volume of solution should be used for each…

A: It is asked about the volume of solution used in volumetric flask to rinse .

Q: B) How the softening of tap water is carried out?

A: Hardness of water is due to the bicarbonate, chloride and sulphates of Mg2+ and Ca2+. This water is…

Q: Calculate: a) The average amount of paracetamol per tablet using both the calibration curve and the…

A: We will plot a calibration curve with absorbance as y axis and concentration as x axis which will…

Q: NaOH, H2O H.

A: Aldol Condensation Reaction In this reaction an enolate ion reacts with carbonyl compound to produce…

Q: Using axis and planes of symmetry: What is the maximum number of signals this molecule will give on…

A: In a molecule containing equivalent protons will have same chemical shift value.If protons are…

Q: CH3 OHC1, RCO3 H OHCI O Cl₂ O H₂O, Cl₂ CH3 -Cl

A: Answer:Electrophilic addition reaction is the characteristic reaction of alkene where electrophile…

Q: diffrentiate between oil in water emulsion and water in oil emulsion.

A: Dispersed phase and dispersion medium are liquids in the colloidal systems. Such liquid systems are…

Q: CH₂COOH(aq) is classified as a # acid. The reaction equation with water utilizes which of the…

A: A weak acid is that acid which do not undergo complete dissociation in water.

Q: How do I find Concentration? flask Calculate solution Concentration (M) Volume stock of 0.40 M…

A: How do I find Concentration?

Q: Develop and formulate a toothpaste for consumers with sensitive teeth. Design a formulation using…

A: The tooth paste contains ingredients that block pain sensor that is respond environmental conditions…

Q: Color BEFORE adding Color AFTER adding Intensity of color AFTER adding FeCl3 Test Tube # FeCl3 FeCl3…

A: Using a melting point apparatus, Determine the melting point of obtained crude aspirin and…

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: make a suggestion why dipentene used for cleaning purpose is more easily biodegradable than mineral…

A: Answer - Dipentene - Dipentene is used as a solvent for resins, alkyds and waxes and to make paints,…

Q: Consider the following data set: Sample 100 µg/mL CuSO4 standard 200 μg/mL CuSO4 standard 300 μg/mL…

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Q: C/ поведен НО OH SOCIz Pyridine

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

Q: wet gum and dry gum method, what apparatus is use to triturate the emulsifier, oil and water?   a…

A: An emulsion can be defined as a mixture of two or more than two liquids that are immiscible with…

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: When does a non-toxic ingredient become toxic and unsafe to be used in cosmetic and/or cosmeceutical…

A: Answer - According to the question - Toxic in relation to cosmetic  or cosmeceutical product…

Q: Draw the starting monomeric structure that would lead to this addition polymer. Drawing. BuLi

A: A monomeric unit of the given polymer is obtained by breaking polymeric bonds and introducing a…

Q: The density of the first fraction collected would be expected to be close to a value of ______.…

A:

Q: PRE-LAB QUESTIONS 1. Look up the melting point of pure aspirin from a reliable source. It can be…

A: We have to tell the melting point of aspirin or acetylsalicylic acid.

Q: Br

A: The given molecule has a 7-member cyclic carbon ring with a carbon-carbon double bond. The compound…

Q: If a 103 g sample of the liquid iodobenzene has a volume of 56.4 mL, what is the specific gravity of…

A: Given: mass of iodobenzene = m = 103 g            Volume of iodobenzene= V =56.4 mL  Required:…

Q: Write the resulting linear regression equation and R² of the plotted standard calibration curve.

A: To provide the regression equation and the R2 value of the plotted standard calibration curve.

Q: Where does ammonia separate from water?

A:

Q: HO- - OH 1 solute 1₂ | OH OH 1 CH₂-CH-CH-CH-CH-C-H H NHINO, I OH Which is the better solvent? || H…

A: is a nonpolar molecule. is a nonpolar solvent. is a polar solvent.Like dissolves the like. So, the…

Q: Alcohol, a flammable material, should not be dispensed or used Near a sink While wearing laboratory…

A:

Q: Assuming

A: Extinction co-efficient = 0.01662 Lmg-1cm-1 Concentration of unknown sample = 14.634g/ Explanation~

Q: How much of the suspending agent is needed to prepare a 60-mL preparation of Aluminum hydroxide gel…

A:

Q: In tablet formulation, what is the importance of using Avicel® PH grades as excipient?

A: Avicel is the trade name of microcrystalline cellulose used in tableting as a flow aid, compression…

Q: 1. NaOCH3/CH₂OH 2. CH3CHO 3. H30+ ОН CH3

A: The alpha hydrogen of carbonyl compounds is acidic in nature and it is removed as a proton in the…

Q: What is Kemmerer water sampler

A: Kemmerer water sampler :- It is a device that makes it possible to obtain a sample of water from…

Q: Select the product of the following reaction. и O O ОН ОН OH NaBH4, CH3OH

A: Given,The reaction:

Q: MsO¹- DBU CH₂Cl2

A: The above question is based on organic reactions and mechanisms.We have to draw the product and also…