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Q: Gold spacer in liquid cell TEM is used for Select one: a. All of these b. Liquid Flow c. Liquid…

A: TEM is a transmission electron microscopy. It is a technique used to determine the structure of…

Q: What are diffusion controlled method?

A: Diffusion-controlled method: Diffusion-controlled Method involves the reactions in which the rate of…

Q: How TGA curves(specimen weight against temperature) can be helpfull for finding the weight loss…

A: The term "thermal analysis" incorporates those techniques in which some physical parameters of the…

Q: 3 lens

A: This is an example of photochemical reaction in presence of photosensitizer

Q: What are the limitation of the following tools? 1- Bore Hole Compensated 2- Density Tool 3- Nuclear…

A: Bore Hole Compensated tool is used for determining the time needed for compressional sound wave for…

Q: liquid-liquid extraction, e ne twice.

A: This is a multiple questions. According to guidelines in multiple questions we can solve the first…

Q: Can you light diamond on fir

A: ANSWER IS

Q: The data system; controls all modules of the HPLC instrument; takes signal from the detector and…

A: Ans: Computer

Q: H.

A: IUPAC naming of the given organic compounds:

Q: ↑ Molecular weight Tg ↑ Barrier to diffusion Polymer Crystallinity tan 8 Į Damping Viscosity of…

A: All the given properties are associated with polymers. Tg the glass transition temperature is the…

Q: What is the Rf value for N

A: What is the Rf value for N ---

Q: What is the importance of loss on drying test?

A: Concepts of loss on drying test.

Q: chan ingold prelog system?

A: CIP deals with a chiral carbon (An asymmetric carbon atom is a carbon atom that is attached to four…

Q: Can an HPLC run be stopped during operation without impairing the separation

A: HPLC- High performance liquid chromatoghraphy It consists of two phase .One is stationary phase and…

Q: In SPME the sorbent coating is applied to this substrate: O Outer surface of a fiber O inner surface…

A: Answer_Unnumbered question: Solid phase micro extraction(SPME) technique that is used to extraction…

Q: arrow pushing mechanism shown pls

A: ACID CATALYSED RING OPENING SN2 ATTACK NUCLOPHILE ATTACKING AT MORE SUBSTIUTED CABON OF EPOXIDE

Q: plz dont round

A: Given that : ∆Hf(methanol)=3.16 kJ/molMass of methanol=90 gFreezing temperature (T) = -98°C=175 K

Q: Describe the phenomena used for stabilization of emulsion and suspension?

A: As mentioned, emulsions are stabilized with surfactants (emulsifying agents) that have affinities…

Q: Please answer b,c,d parts

A: The electron configuration of an atom or element describes how electrons are distributed in their…

Q: The coarse focus knob should be adjusted when using this Condenser ΟΙΟ O HPO O LPO lens.

A: Coarse focus knob should be adjusted when using this _ lens.

Q: REPORT SHEET Rr (show calculations below the Distance from Distance from Color of spot(s) origin to…

A: The components in the unknown sample can be identified by comparing their colors and Rf values with…

Q: Please briefly discuss "Solid phase control methods"

A: Explanation given as follows

Q: + Hz o >

A: Chlorine is a good leaving group and water is a good nucleophile. When chloride leaves the system, a…

Q: ed for you to contact the manufacturer and/or supplier of the chem rect response:

A:

Q: State the factors affecting thermal stabilization giving a brief explanation on each factor and…

A: Thermal adjustment of soil is a ground improvement procedure. The idea, technique and utilizations…

Q: Scale er Scale aws Rod

A: Verneir caliper is used to calculate linear dimension.  It has various part

Q: ship between Compour e on a TLC plate if v

A: The figure as,

Q: It is used with samples in MALDI system to help ionization of the sample and then irradiated with…

A: The objective of the question is to select one of the given options based on the given statement…

Q: See attached image

A: Number the four groups attached to the central carbon atom. Higher the atomic number more would be…

Q: 41) please see attached

A: The equilibrium constant can be expressed as follows:

Q: Freaction h

A:

Q: ) Discuss the viscosity method for calculating the molecular mass of polymers.

A: The answer of the question is given as follows:

Q: Calculate burette correction

A: density is defined as the mass of the substance upon the volume density d =mass m/ volume volume…

Q: control rod? CO

A:

Q: Field Capacity is a moisture state where all of the pore spaces are filled with water.   true or…

A: Field capacity is defined as the amount of soil content or water content present in the soil after…

Q: improve

A: We know that resolution is a measure of how well two Elution peak can be differentiated in…

Q: (ii) DDQ →? C6H6/reflux

A: In question no 3    the reagent used is DDQ which is 2,3-dichloro- 5,6-dicyano-1,4-benzoquinone…

Q: for target

A:

Q: Please look at pic

A: Lattice energy It defines the strength between the opposite charge ions that form Lattice. More…

Q: How column is developed and solvent selection is done in HPLC?

A: HPLC stands for High-pressure liquid chromatography or high-performance liquid chromatography.HPLC…

Q: time can be used to ider aphy. Choose a parameter w omatography column. centration of the compound

A: Question 1: We know that, change in the temperature often causes a retention time shift of all the…

Q: Draw Rings More Erase Select H H. HCI added dropwise 1

A: The answer is given as follows

Q: the diffusion cc breakdown fiele

A: To find the high frequency ionization coefficient as,

Q: Show the arrow push mechanism or the electron flow mechanism

A: We have given the organic reaction and we have to Show the arrow push mechanism or the electron flow…

Q: Draw a skitch for GC and HPLC instruments showing all parts

A: GC and HPLC instrumentation can be given as follows

Q: 2. Plot the cumulative % undersize against sieve aperture after size reduction of lactose using…

A: Answer- For the graph we use the Table 1. We have to plot the cumulative % undersize against sieve…