Item 29: Question What is the relative retention (a) for compounds A and B if the retention time for A (TA) is 3.91 min, the retention time for B (tg) is 6.42 min, and the tm is 1.34 min? 0.51 1.64 1.98 O 3.79

Item 29: Question What is the relative retention (a) for compounds A and B if the retention time for A (TA) is 3.91 min, the retention time for B (tg) is 6.42 min, and the tm is 1.34 min? 0.51 1.64 1.98 O 3.79

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter27: Gas Chromatography

Section: Chapter Questions

Problem 27.4QAP

See similar textbooks

Related questions

Q: what is the max mass of NO2 formed when 7.5g of N2O5 are consumed? 2N2O5=4NO2+O2

A: The objective of the question is to find out the maximum mass of Nitrogen Dioxide (NO2) that can be…

Q: medical technician is working with the four samples of radionuclides listed in the table below.…

A: For the four samples of radionuclides listed initially, each sample contains = 18.00…

Q: How many milliliters of concentrate sulfuric acid, which is 96% (w/w) pure H₂SO4, are needed to…

A: Answer:

Q: Item 24: Question A 3.31 x 10-4 M solution of a new drug (273 g mol¹) has an absorbance of 0.750 in…

Q: How about the fourth one

A: E2 elimination will occur.

Q: whar paticles in the compound contruibt to charge to form Cu2+ ion in Cu(H2o)62+ Cu(OH)2 (s)…

Q: Identify the major and minor products for E2 reactions that occurs when each of the following…

A: A question based on reaction mechanism. 4 Structures are given whose elimination products are to be…

Q: Question 7 (Spectroscopic Analysis): Consider the following molecule. How many unique signals would…

A: Nuclear magnetic resonance spectroscopy is a technical approach employed in analytical chemistry to…

Q: Spectrum 4 Relative intensity 100 80- 60 40 20 0 10 MS-NW-8469 15 20 25 30 35 40 45 m/z 50 55 60 65…

A: The objective is to identify the suitable spectrum for the compounds; B, C, D, and F. The cleavage…

Q: Propose a full mechanism using curvy reactions arrows for the following transformation. B

A: This is an example of [1,5]sigmatropic C-shift

Q: Do you have the full answer, it is cut off?

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of barium chloride (208.2…

A: Given,(i) molar mass of barium chloride = 208.2 g/molchange in freezing point = 0.450 oCmass of…

Q: Determine the answer to the following equation with correc number of significant figures: (12.1 +…

A: The objective of the question is to determine the result of the given equation with the correct…

Q: What is the volume of nitrogen at 2.30 atm and 30°C? (R = 0.0821 )

A: Pressure, P = 2.30 atmTemperature, T = 30°CT = 30 + 273; T = 303 KR = 0.0821 L-atm/K.molsince,…

Q: Name the reagent(s) required to complete the following reaction.

A: Epoxide can be formed from alkene using per-acid.Trans alkene will give trans epoxide and cis will…

Q: 2. Please draw in the arrows that explain each step in the following reactions. Note: you are not…

A: carbonyl oxygen atom has lone pairs of electrons, thus it can act as Lewis base. Thus it can accept…

Q: Draw a structural formula for the substitution product of the reaction shown below. H₂C -Br • Use…

A: The given reaction is an example of the substitution reaction where CH3O- acts as a nucleophile…

Q: medical technician is working with the four samples of radionuclides listed in the table below.…

A: The radioactive decay is a first-order reaction. The rate is proportional to the concentration of…

Q: Which molecule matches this mass spectrum

A: Given:Mass spectrum and structure of molecules.An analytical spectroscopic technique that is used…

Q: CuO +HCl chemical equation with net inioc equation

A: Answer:Ionic equation that only involves the ions that are actually taking part in the chemical…

Q: Predict the major product of halogenation of the given alkyne. 0 + X Cl₂2 2 eq $ C

A: A terminal alkyne is an alkyne that has atleast one hydrogen atom attached to the carbon-carbon…

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

A: A redox reaction is a reaction where an oxidation and reduction reaction occurs simultaneously. An…

Q: What is the difference between the heat capacity of a substance and the heat capacity change of a…

A: To find the difference between the heat capacity of a substance and the heat capacity change of a…

Q: 9. Provide a systematic name for the following compound? B5- A. 1,2,4-trimethyl-5-ethylcyclohexane…

A: Given,The molecule is:

Q: 2. Draw molecular orbital diagrams to show the bond orders of (a) S2, (b) Cl2, and NO. Compare the…

A: Molecular Orbital (MO) Diagrams :Molecular orbital (MO) diagrams are a way of representing the…

Q: Which of following is an observatons, which are inferences? When nitric acid was added to the…

A: In the realm of scientific inquiry, the careful observation and interpretation of phenomena plays a…

Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…

A: Dinitrogen monoxide gas = N2OMass of N2O = 0.338 Kg or 338 g

Q: 5. Given below are several molecules. Identify the correct molecule described by the following…

A: symmetry elements are points, planes or axis around which movements are performed which give…

Q: [References] Use the References to access important values if needed for this question. The molality…

A: Given,mole fraction of aqueous potassium bromide solution = 2.48 mol/kgmole fraction of aqueous…

Q: Calculate the concentration of SO32 in 0.10M H₂SO3, given Ki-1.0x10³, Kh2-1.0×10-10

A: The objective of the question is to calculate the concentration of .

Q: Item 9: Question Which is not a characteristic of a primary standard? It is hygroscopic. O It is…

A: It is hygroscopic is not a property of a standard.

Q: 56. How much work is done when a gas expands from an initial volume of 112 mL to a final volume of…

A: The objective of this question is to calculate the work done when a gas expands from an initial…

Q: A worker at an industrial research facility spends their shift assembling and testing ionizing…

A: The intensity of radiation decreases as we move farther away from a point source, It is expressed…

Q: A patient is supposed to be taking 40 mEq of potassium daily in the form of potassium chloride…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. Suppose…

A: t(1/2) = 1.26*109 yearmoles of argon(D) = 0.677 mmolmoles of potassium(P) = 1.000 molt =?

Q: Item 22: Question Which will not result in a deviation from Beer's law? molecular interactions…

A: The objective of the question is to choose which will not result in a deviation from Beer's law.

Q: Provide the correct IUPAC name for the compound shown here. Cl CH3 CH3

A: We have given the organic compound and we have to find out the IUPAC name of the compound.

Q: Gray metallic Zinc appers to be replced by metallic copper. Is their one element that is being…

A: Answer:When more reactive element is added in the solution of less reactive element then more…

Q: calculate where the maximum is in the 2s radial wavefunction for H. how should the position of this…

A: The radial wavefunction plays a crucial role in describing the behavior of electrons within an atom.…

Q: What is the concentration of an acetic acid solution that is 0.965% ionized and has a hydronium ion…

A: The question is based on the concept of chemical equilibrium.We need to calculate concentration of…

Q: 2. Number the carbon atoms in the molecule shown and draw the ring structure for this compound,…

A: The question is related to the conversion of fisher projection to ring structure and the hemiacetal…

Q: Draw the structure(s) of the major organic product(s) of the following reaction. HO H + NaCN aqueous…

Q: How many mL of 15% w/v KCI solution is needed to prepare 300 mL of a 0.5% w/V KCI solution? 20 mL 10…

A: To solve the problem, we need the following formula :V1 × S1 = V2 × S2Where -V1 =initial volumeS1 =…

Q: 2. Propose a sequence of reactions that efficiently converts the given starting material to the…

A: Given are organic reactions. In reaction a carboxylic acid is converted into ester.In reaction b…

Q: What is the temperature (in K) of 0.545 g of SO2 gas if it occupies a volume of 0.150 L at 0.950…

A: The objective of the question is to find the temperature of a given amount of SO2 gas under certain…

Q: A steel container filled with nitrous oxide at 15.0 atm is cooled from 25°C to –40°C. Calculate the…

A: The objective of the question is to calculate the final pressure of nitrous oxide in a steel…

Q: Write the systematic (IUPAC) name for each of the following organic molecules: Br structure Br CI F…

A: We have given the organic compound and we have to find out the IUPAC name of the compound.

Q: A solution is prepared at 25\deg C that is initially 0.22M in nitrous acid HNO2, a weak acid with =…

Q: Which compound is the main product of the following reaction? Br Br CH3S CH3S CH3O Br SCH3 SCH3 Br…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: HO Cr(VI) HIL J III

A: * [4+2] Diel's Alder reaction takes place thermally between diene and dienophile with retention of…

Question

29. What exactly is relative retention and retention time? How do you solve problems like this?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction to given question

VIEW

Step 2: Calculation for relative retention

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

3) What is the approximate retention time of benzoate?
How does the retention time of a compound change with separation conditions? Is this change linear (e.g., all compounds respond to the same extent)?
What is the significance of the retention factor of a compound? Why do some spots have lower retention factors than others?
A 50.0 mL juice extract is colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of the solution and the standard glucose solution (concentration: 1mg/mL) were treated with freshly prepared Nelson’s reagent and arsenomolybdate reagent and then diluted to 10.0 mL separately in properly labeled test tubes. Absorbance at 480 nm for the standard is 1.702 and for the sample, 0.926. A. What is the principle behind the assay? B. Calculate the concentration of the reducing sugar in the 50.0 mL sample in mg/mL. Apply Beer-Lambert’s law.
A 50.0 mL juice extract is colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of the solution and the standard glucose solution (concentration: 1mg/mL) were treated with freshly prepared Nelson’s reagent and arsenomolybdate reagent and then diluted to 10.0 mL separately in properly labeled test tubes. Absorbance at 480 nm for the standard is 1.702 and for the sample, 0.926. A. What is the principle behind the assay? B. Calculate the concentration of the reducing sugar in the 50.0 mL sample in mg/mL. Apply Beer-Lambert’s law: A=bc
A 50.0 mL juice extract is colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of the solution and the standard glucose solution (concentration: 1mg/mL) were treated with freshly prepared Nelson’s reagent and arsenomolybdate reagent and then diluted to 10.0 mL separately in properly labeled test tubes. Absorbance at 480 nm for the standard is 1.702 and for the sample, 0.926. A. What is the principle behind the assay?
A peak with a retention time of 407s has a width at half-height of 7.6 seconds. A neighboring peak is eluted 17 seconds later with w1/2 = 9.4 seconds. What is the difference in retention time required for an adequate resolution of 1.5?
Substances A and B have retention times of 12.75 and 14.28 min, respectively, on a 30.0-cm column. An unretained species passes through the column in 1.10 min. The peak widths (at base) for A and B are 1.11 and 1.27 min, respectively. What is the resolution?
Question 3 Let the retention factor of species A be 0.5, while the retention factor of species B be 0.6. If species A moves 1.0 cm how far does species B move? A. 0.60 cm B. 0.80 cm C. 1.0 cm D. 1.2 cm E. 1.6 cm
1. Describe the different types of analytes which can be analyzed using the different methods of optical analyses. 2. Why is it that absorbance readings be done at lambda max?
What would happen to the retention time of a compound if the followingchanges were made?a. Decrease the flow rate of the carrier gasb. Increase the temperature of the columnc. Increase the length of the column
The following Rf values were computed from a normal phase chromatography experiment. Arrange them from most polar to least polar. I - 0.25 II - 0.84 III - 0.56 IV- 0.67