Explain thin-layer chromatography

Assignment Help Chemistry
Reference no: EM13491338

Thin-layer chromatography - Explain how you should apply a spot of compound to the TLC plate in order to get the best results. How do you know if you have overloaded your TLC plate? Why is this a problem?

Reference no: EM13491338

Questions Cloud

Explain thin-layer chromatograph : Thin-layer chromatograph------Describe how the Rf for a compound will change as the developing solvent is made more polar. What is meant by "developing" a TLC plate. What is meant by "visualization" of a TLC plate
Find the magnitude and direction of the vector : A vector has an x-component of  -21.5 units and a y-component of 35.0 units. Find the magnitude and direction of the vector
Find the time required to catch the car : A motorist travels at a constant speed of 35.5 m/s through a school zone, exceeding the posted speed limit. Find the time required to catch the car from the instant the car passes the policeman
Find the magnitude and direction of his third displacement : A man in a maze makes three consecutive displacements. His first displacement is 6.00 m westward, and the second is 16.0 m northward. find the magnitude and direction of his third displacement
Explain thin-layer chromatography : Thin-layer chromatography - Explain how you should apply a spot of compound to the TLC plate in order to get the best results. How do you know if you have overloaded your TLC plate. Why is this a problem
What is the direction of the net force on charge : Three point charges are arranged along the x-axis. Charge q1= -4.85 nC is located at x1= 0.205m , and charge q2= 2.75 nC is at x2= -0.310m, What is the direction of the net force on q3
Explain crystals after collect them by filtration : When would you do a hot filtration. Why do you wash your crystals after you collect them by filtration
Briefly discuss when management would tend to favor option : Arg, Inc. developed the following information to help you prepare alternative production budgets for a new. product. For all scenarios, planned starting inventory for the first month s 8,000 units.
What lift force is exerted by the air on the propellers : a 4500 kg helicopter accelerates upward at 2.0m/s^2. what lift force is exerted by the air on the propellers

Reviews

Write a Review

Chemistry Questions & Answers

  How many pounds of are produced from the complete

how many pounds of are produced from the complete combustion of 1.00 gal of gasoline? assume that gasoline has the

  Explain what is the maximum work you can obtain

What is the maximum work you can obtain from 16.0 g of nickel in the following cell when the emf is 0.89 V? Ni(s) | Ni2+(aq) || Ag+(aq) | Ag(s)

  What is final temperature of the block after the evaporation

If the 53 g aluminum block is initially at 25^circ C, what is the final temperature of the block after the evaporation of the 1.02 galcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and t..

  Explain the enthalpy of combustion of benzoic acid

The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj?mol.

  Explain the thermodynamic equilbrium constant

What is the chemical equation of this coupled process? Show that the reaction is in equilibrium, include physical states, and represent graphite as C(s). What is the thermodynamic equilbrium constant for the coupled reaction

  State caffeine has a distrubution coefficient

Caffeine has a distrubution coefficient of 8.4 for methylene chloride/ water. How much caffiene will be extracted from a 200 mL cup of Turkish coffee (250 mg caffeiene) by 100 mL of methylene chloride?

  State ammonium chloride

How many grams of ammonium chloride and how many milliliters 3.0 M sodium hydroxide should be added to 200 ml water and diluted to 500 ml to prepare a bufffer

  State the concentration of silver ions remaining

If 1.35g of AgNO3 is dissolved in 115 mL of water, and to this solution is added 5.00 mL of 1,45M HCl resulting in the formation of a precipitate. Find the concentration of silver ions remaining in the solution.

  What is the partial pressure of the dry gas

A sample of gas is collected over water at a temperature of 35.0C when the barometric pressure reading is 707 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?

  Explain the partial pressure of each gas

Natural gas is a mixture of many substances, primarily CH4,C2H6,C3H8 and C4H10. Assuming that the total pressure of the gases is 1.34 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each g..

  Compute the pickering series wavelength

Calculate the Pickering series wavelength associated with the excited state ni = 9.What region of the electromagnetic spectrum does this transition fall in?

  Which one is neutral

-How can you tell which substance receives the H+ or not? and which one is neutral?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd