Explain if an intractable emulsion is produced

Assignment Help Chemistry
Reference no: EM13297009

1. Why is NaHCO? added to the freshly brewed tea, prior to extraction with CH?Cl?? 2. If an intractable emulsion is produced during extraction of caffeine, how might you attempt to break up the emulsion? 3. What is the role of CaCl? in this experiment? 4. How would you determine if you have used enough drying agent for drying an organic layer containing the desired component?

Reference no: EM13297009

Questions Cloud

Examine the functions and operations of investment banks : Examine the functions and operations of investment banks in the U.S. economy by answering each of the following questions: (a) Describe two financial services provided by investment banks.
Calculate the minimum value of resistance : Calculate the maximum value of resistance that can be obtained by combining resistors of 34 Ohms , Calculate the minimum value of resistance
Explain what is the specific heat of aluminum : thermal equilibrium is reached, the temperature of the aluminum sample plus water mixture is 29.4 degrees C. What is the specific heat of aluminum
Calculate the speed at impact on a large rock : A large rock became visible to a driver at a distance of 175 ft. Assuming a perception-reaction time of 0.8s, an initial speed of 42 mph, a coefficient of friction equal to 0.5, and a level roadway, calculate the speed at impact.
Explain if an intractable emulsion is produced : Why is NaHCO added to the freshly brewed tea, prior to extraction with CH?Cl. If an intractable emulsion is produced during extraction of caffeine, how might you attempt to break up the emulsion
Calculate the speed of the car at the onset of skidding : A car collided with a telephone pole and left 20 ft skid marks on the dry pavement. Based on the damages sustained, an engineer estimated that the speed at collision was 15 mph. If the roadway had a +3% grade, calculate the speed of the car at the..
Calculate the net present value of each alternative : At the end of the useful life of whatever equipment is chosen, the product will be discontinued. The company's tax rate is 50 percent, and its cost of capital is 11 percent. Calculate the Net Present Value of each alternative.
Determine was the pavement wet or dry : The driver of a car traveling up a 2% grade at an initial speed Vo applied the brakes abruptly and the vehicles slid to a complete stop at an average deceleration of 8 ft/s^2. Was the pavement wet or dry
Explain how is the number of unpaired valence electrons : How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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