Q: What is deionized water? What kind of impurities are not removed by deionization?
A: Purified water does not contain any impurity. There are various methods for purification of water…
Q: Define the following terms :(i) Sorption(ii) Tyndall effect(iii) Electrophoresis
A: Here given few terms and we are asked to define them.
Q: Which of the following would result in an increase in the calculated ngas in the Chem 16.1 Experin…
A: The correct option is as follows:
Q: Describe an electrochemical sensor assay method for rapid bacterial detection and identification.…
A:
Q: 1. The following are data for the adsorption of Co on wood charcoal at 0°C. The pressure P is in the…
A:
Q: What is two types of ionization method in GC MSD?
A:
Q: Calculate the [FeSCN2+] using volumes of stock solutions. Presume that all the SCN– ions react.…
A: The data given is,
Q: The isoelectric point, pI, of the protein trypsin is 10.5, while that of horse liver alcohol…
A: The isoelectric point of amino acid is the pH at which the net electronic charge of the amino acid…
Q: DETERMINATION OF BIOLOGICAL OXYGEN DEMAND USING THE MODIFIED WINKLER METHOD GUIDE QUESTIONS: 1. What…
A: Note - Since you have asked a question with multiple sub-parts, we will do the first three sub-parts…
Q: Give advantages of Ziegler–Natta catalysts ?
A: A group of catalysts are collectively termed as Ziegler-Natta catalysts. They are compounds of…
Q: We collected a clastic muscovite grain from the shale at sample K. The 40Ar/40K ratio is 0.65. What…
A: Given that : 40Ar / 40K = 0.65 The half life of 40K is 1.248 x 109 years
Q: why is a high supporting electrolyte concentration used in most electroanalytical procedures?
A: High supporting electrolyte concentration used in most electroanalytical procedures because:…
Q: Why is neutral medium or slightly alkaline medium more suitable for Mohr's method and What are the…
A: A neutral medium or slightly alkaline medium more suitable for Mohr’s method and what are the color…
Q: 18. Jet is an undergraduate chemistry student, he’s out in the laboratory trying to determine the…
A: Qualitative analysis: Where one identify the substance present in the sample by some some visual…
Q: Suggest a reason why the "stopwatch" method of measuring the reaction rate would be unsuitable under…
A: Interpretation: To reason why: a) "stopwatch" method of measuring the reaction rate would be…
Q: 400 ml of 03 M acetic acid is shaken with 1.6 g of charcoal. The final concentration of the solution…
A: Molarity (M) :- The number of moles of solute dissolved in one litre of solution is known as…
Q: Chemistry tabulate between HLC and plasma radiation sources.
A: HLC stands for hollow cathode lamp which are used in atomic absorption instruments. Plasma radiation…
Q: Gradient elution used in HPLC. How is the gradient created for a reverse-phase HPLC experiment over…
A: Given that Gradient elution is used in HPLC. To find: How is the gradient created for the…
Q: If Vsu= Vorg, how many times should the extraction process be repeated in order for 1 g of substance…
A: Given: We have to calculate, number of extraction required. KD = 2.25 Vsu= Vorg
Q: 6. Below is an extraction scheme in which a mixture of four initial organic compounds is separated,…
A: Given is four different types of compounds, phenol, neutral ,base and carboxylic acid. We can…
Q: 2. Describe the importance of volcano curve in the surface catalysis with suitable examples
A: The answer to the following question is-
Q: How are analytes usually recovered after SFC or SFE?
A: Step 1 of 1 SFE is supercritical fluid extraction, in which components in a mixture are…
Q: Which of these types of coprecipitation happens with greater probability when the ratio of the…
A: The four types of coprecipitation are Mechanical entrapment, Mixed crystal formation, surface…
Q: Three large proteins are ionized at the pH at which an electrical FFF separation is carried out.…
A: Field-flow fractionation, (FFF) is a type of separation technique in which field is applied to a…
Q: is beta hCG testing a analytic technique? why or why not?
A: Analytical techniques are those techniques that aid in determination of a compound in a sample.…
Q: State and explain the principle on which the fully automated analyser operates.
A:
Q: 1.An organic compound is made and needs separating from the reaction mixture and impurities. The…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: How to prepare the sample (digestion) for ICP-MS and AA analysis?
A: Sample preparation in ICP-MS i.e., Inductively coupled plasma mass spectrometry; ICP-MS is used for…
Q: what do you mean by (a) chemisorption (b) persorption (c) desorption .
A: (a)Chemisorption:It is a kind of adsorption process, which involves a chemical reaction between the…
Q: If Vsu= Vorg, how many times should the extraction process be repeated so that 1 g of substance with…
A: Let the required number of extractions be 'n'.
Q: please help me answer my assignment. thanks the rate constants (k) for the leaching of galena in an…
A: The expression of Arrhenius equation is shown below: K = A e-Ea/RT Where; K = rate constant A =…
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: 1. The properties that must be possessed by the adsorption reagent in air sampling are… a. Reagents…
A: Air sampling is the process by which the type and quantity of airborne contaminants present in an…
Q: Measurement of adsorption of 40 mL of solution containing Hg by atomic absorption spectrometer…
A: Measurement of adsorption of 40 mL of solution containing Hg by atomic absorption Spectrometer…
Q: Briefly explain THREE (3) limitations of GC in analytical chemistry.
A: Gas chromatography (GC) is an analytical technique used for seperating and analysing the chemical…
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: 10 m2 with 7-micron silver coating only in certain areas on I total 50 m2 surface field copper…
A: Silver is considered to be a precious metal. These metals can be recycled from scraps using…
Q: (c) Batch adsorption of 900 mg/L phenol was studied at 298 K using 50 mL aliquot at an optimized…
A: A question based on adsorption that is to be accomplished.
Q: different laboratory with a cooler temperature. III. A shorter equilibration time prior to…
A: From ideal gas equation: We know ρv=ngas RT Where ρ=pressure v=Volume R=Universal Gas constant…
Q: Table 3 - Equilibrium Test Solutions Volume (mL) 2.00 x 10 M Fe(NO:) Volume (mL) 2.00 x 10 M NaSCN…
A: To get the initial concentration of both ions, first of all you need to find the no of moles of both…
Q: Discuss on the terms “safety level” and “maximum residue level” (MRL) of a food product. Explain the…
A: FOOD PRODUCT: A natural product which is obtained fresh or is processed for human consumption. These…
Q: 35. The stationary phase, as well as mobile phase, are liquid in Adsorption column chromatography…
A: Answer: Chromatography is a separation technique, in which we separate the components of a mixture…
Q: 14. What is true about the interpretation of results in the thin-layer chromatography result? SM RXN…
A: 14). In thin-layer chromatography, non-polar compounds move up rapidly because they are not bound to…
Q: Write down the defect chemistry equationfor introduction of SrTiO3 in BaTiO3using the Kröger-Vink…
A: Kroger-Vink notation is used to represent defect reaction. It adopts certain conventions to…
Q: Gradient elution used in HPLC. How is the gradient created for a reverse-phase HPLC experiment over…
A: High performance liquid chromatography or HPLC is an analytical technique used to identify and…
Q: Generally high temperature is favourable for chemisorption.’ Why?
A: Given: Generally high temperature is favourable for chemisorption.
Q: On the direct iodometric titration experiment, Standardization of Na2S2O3 with KIO3 standard…
A: One of the most effective redox titration methods is iodometry. Because of its relatively low pH,…
Q: Calculate the concentration of Fe3+ ion in reaction tubes 1-5 of the experiment (after mixing with…
A: Each Fe(NO3)2 gives 1 Fe3+(aq). Hence before dilution, [Fe3+] = 1*10-4 M
Explain the method of finding martensite fraction during SIM ?
Step by step
Solved in 2 steps
- In a sample digested with phosphoric acid, it was found that analysis of calcium reflects less sensitivity than when digestion is done with hydrochloric acid. Explain.Give a detailed description of how these both analytical separation protocol will be employed to recover river bodies from heavy metals and particulate matter. I. Centrifugation II. Chemical precipitationplease use excel to calculate Fe analysis by ICPMS. 1') Generate a standard curve2') calculate the Fe concentrations in two air samples..
- Adsorption exp erim ent Reaction between FeS and HCl: FeS+2HC1-FeCl2+H2S Reaction on filtration sheet: H2S+Pb(CH:Co0)2-PbS+2CH:COOH STEP1 Put some FeS particles into a big tube. Add1 or 2 mL of 18% HCl solution onto FeS particles. Immediately close the tube with Pb(NO3)2 or Pb(CH:COO)2 immersed filtration sheet. 1. Why filtration sheet turned black in step1? STEP2 Put some FeS particles into a big tube. Fix the "glass funnel" (glass pipette) to the tube after adding HCl solution. Close the outlet of funnel with Pb(NO3)2 or Pb(CH COO)2 immersed filtration sheet. 1. Why filtration sheet didn't turn black in step2 ?4. determine the amount in mg of the amount of Ag present from ICP mass digested: 1.0821g/L dilution of 10ml stock solution to 100ml volumetric flask X=0.98 (intensity)What part does adsorption play in froth floatation for the concentration of sulphide ores and heterogeneous catalysis?
- 4.Discussed the Purposed of the Golden rules in the practice of Forensic Chrmistry.What unit is use to describe reation rate?Which of the following would result in an increase in the calculated ngas 10, assuming the rest of the parameters are held constant? I. Inserting 23.0 mg instead of the prescribed 15.0mg of folded Mg ribbon into the eudiometer. II. Performing the experiment in a different laboratory with a cooler temperature. III. A shorter equilibration time prior to volume measurement. IV. Acid used was 12.0 M HNO3 instead of 6.0 M HCI.
- 6. A dilute silver nitrate solution is added to a slight excess iodide solution. A solution of AgI is face adsorbs.chemohollic.com formed whose surface adsorbs. (a) I (b) NO3 + (c) Nat (d) Ag*What is a ‘shape-selective catalyst’?If Vsu= Vorg, how many times should the extraction process be repeated in order for 1 g of substance with KD= 2.25 to pass 90.5% to the organic phase?