Q: sely proportional to the column efficiency irectly proportional to the selectivity factor not…
A: B option is correct. Inversely proportional to column efficiency. Band-broadening is a general term…
Q: Why is a filter paper preferred over a sintered glass filter
A: Filtration is a method used to distinguish solids from liquids or gases, using a filter medium that…
Q: What are diffusion controlled method?
A: Diffusion-controlled method: Diffusion-controlled Method involves the reactions in which the rate of…
Q: What is inert gas regeneration method?
A: Inert gases form the 18th group of periodic table. Inert gases like Helium, Neon are used in…
Q: Explain how the Rf (Retention Factor)-values can be in agreement or disagreement with the “like…
A: Interpretation - To explain all about that how the Rf ( Retention factor ) - values can be…
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: For PM Removal using Activated Carbon (AC), is the mechanism only limited to adsorption? Or does it…
A: For PM Removal using Activated Carbon(AC), is the mechanism only limited to adsorption ? Or does it…
Q: Explain the process of wet adsorption technique for control of NOx and SOx emissions?
A: Nowadays the extent of polluted particles increases in the atmosphere every day. To control the…
Q: Why is it important to assess factors that influence egg white foam stability?
A: Egg white foams are made from whipping egg whites very quickly to add air and create volume. Airy…
Q: What is Low-excess-air firing (LEA)?
A: Given: Low-excess-air firing (LEA)
Q: Write down three possible applications of the analytical ultracentrifuge
A: Analytical ultracentrifugation (AUC) is a versatile and powerful method for the quantitative…
Q: Distinguish between electrostatic and electrophoretic coating
A:
Q: Sketch the power density distribution for oxyfuel gas welding and GMAW process.
A: Oxy-fuel welding and oxy-fuel cutting are processes that use fuel gases and oxygen to weld or cut…
Q: type sensor includes SnO2 layer which changes its resistance with respect to reducing gas…
A: MOS sensors: They detect concentration of different types of gases by measuring the resistance…
Q: The osmosis rate in these set-ups will slow down over time. Why?
A: Osmosis is the process of diffusion (movement of particles or molecules) of water across a…
Q: Why is better sensitivity usually achieved using graphite furnace atomizatiorrather than flame…
A: Flame atomization: Flame atomization is an atomic absorption spectroscopic analytical technique that…
Q: What is the function of the hoppers in selective catalytic reduction (SCR) technique?
A: Selective catalytic reduction (SCR) technique is used for converting nitrogen oxides, (NOx) with the…
Q: A groundwater aquifer is contaminated with benzene. Contrast the relative effectiveness of air…
A: air stripping is an effective technology for removing solvents like benzene from groundwater , it…
Q: The cool plasma tail needs to be removed in regular ICP-OES analysis using the axial view. Provide…
A: A question about spectroscopy, which is to be accomplished.
Q: Overpotential is due to __. Select all that apply. Mass transfer Charge transfer…
A: Mass transfer Charge transfer Is affects the overpotential.
Q: The function of the catalyst or catalyst is to prepare a surface on which the reactants are adsorbed…
A: We know that any substance that increases the rate of a reaction without itself being consumed is…
Q: Write the faults of the glass electrode. (Please write it correctly and concisely.)
A: Glass electrode some disadvantages or faults.
Q: Explain the working of air stripping system?
A: To find: The working of air stripping system
Q: Point out TWO (2) strategies to increase selectivity in solid phase extractions.
A: A question based on analytical separations that is to be accomplished.
Q: Give the applications of semidry scrubbing system?
A: A dry scrubber, also called as dry scrubber system, is defined as the pollution control equipment…
Q: Explain the effects of excess amount of anticoagulant in PVC result.
A: Answer - Anticoagulant - Anticoagulants, commonly known as blood thinners, are chemical substances…
Q: In a filtration of suspended cells under full vacuum using a 20 cm Büchner funnel, you collect data…
A: To decrease the time require for filtration- of solution of given volume we use a particular type of…
Q: You want to understand the components in your polymer composite as a function of temperature. Which…
A: TGA is abbreviated as thermogravimetric measures the mass of a sample while the sample is heated or…
Q: Why is a filter paper preferred over a sintered glass filter?
A: Filtered paper is made up of fiber and there are numerous holes (obviously of microscopic size) in…
Q: atomic absorption.
A: Atomic absorption spectroscopy is a spectroanalytical technique used for the quantitative…
Q: If initial and equilibrium concentration of acetic acid before and after the adsorption is 1…
A: When the molecules of a substance are attracted and adhered to the surface of a solid, the…
Q: What is compensation depth?
A:
Q: Match the ff. definition/use with the correct detector being described. consists of a…
A: A phototube, makes use of the photoelectric effect, and have semi cylindrical photocathode and wire…
Q: What is the dimension of a chlorine contact chamber if the CT value is 150 mg-min/L at the chlorine…
A: Given: CT value=150 mg-min/L Chlorine concentration=5 mg/L
Q: What is the major advantage of Dropping Mercury Electrode (DME)?
A: The major advantages of Dropping Mercury Electrode (DME) are :- i) Mercury form amalgam with most…
Q: Table 2: Observations and Data Sheet for Part 2 of the Experiment Unknown Number: 19 Weight of empty…
A:
Q: What is the purpose of a guard column?
A: Two problems tend to shorten the lifetime of an analytical column. First, solutes binding…
Q: what is the difference between linear voltammetry, cyclic voltammetry and differential anodic…
A: Voltammetry is an electroanalytical technique where the information about an analyte is obtained by…
Q: A disk type centrifuge with disks at 450 angle is used to clarify a suspension of E.coli cells with…
A: Centrifugation is a mechanical process which involves use of centrifugal force to separate particles…
Q: Should you increase the diameter or length of the chromatography colum for increasing throughput?
A:
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: A strip of elastomer was stretched in tension and elongation was held constant. After 10 min the…
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- In a copper lamp used in Flame Atomic Absorption Spectroscipy, the copper metal inisde is the Cathode or Anode?Chemistry Describe how an ICP plasma torch (atomizer) operates, why it may be necessary to use one, and some advantages / disadvantages of using one.type sensor includes SnO2 layer which changes its resistance with respect to reducing gas concentration. None MOS Infra-red Catalytic Electro-chemical
- The table shows a series of standard additions of Cu(II)to acidified water samples measured by anodic stripping voltammetry at a platinum electrode. The unknown and all standard additions were made up to the same final volume. 1. What chemical reaction occurs during the concentration stage of the analysis?2. What chemical reaction occurs during the stripping stage of the analysis?3. Plot absorbance as a function of the concentration of Cu (II) standard. Determine the equation of theline and the X intercept. Find the concentration of Cu(II) in the water.What is the dimension of a chlorine contact chamber if the CT value is 150mg-min/L at the chlorine concentration 0f 5.0 mg/L. Give the width lengthand depth. Show all work.Explain the effects of excess amount of anticoagulant in PVC result.
- A groundwater aquifer is contaminated with benzene. Contrast the relative effectiveness of air stripping to activated carbon adsorption by providing a preliminary design of each processWrite the faults of the glass electrode. (Please write it correctly and concisely.)Give the applications of semidry scrubbing system?
- A dry-wet-dry oxidation cycle of 20 min – 80 min – 20 min is performed at 1100 °C. (a) What is the final oxide thickness for a <100> silicon wafer? (b) What is the final oxide thickness for a <111> silicon wafer?Adsorption from Solution on the solid surface . Steps by steps explanation mathematical etf all needRead the excerpts from chemistry journal articles. Determine which section each quote was likely derived from, then label the quote accordingly. "A total of 18 GFRP-SR confined concrete cylinders with a diameter of 150 mm Discussion and a height of 300 mm were constructed and tested under axial compression." "Since Alfred Loomis's studies in the 1920's, ultrasonic waves of various frequencies have found uses in areas such as medical imaging, geological imaging Introduction (SONAR), industrial cleaning and welding, solution mixing, and even jewelry cleaning." %3D "The thermogram of the pure NIA revealed a sharp endothermic signal with maximum Experimental at 204.75 °C, and AH = 30.54 kJ/mol, that corresponds with the melting of the NIA." "As we have demonstrated here that a pulse of blue light 450–475 nm, the simulating wavelength of melanopsins and/or cryptochromes, increases the expression of Per1 Results and Per2, one of these photopigments is most probably responsible for light…