What is the molar mass of the polymer

Assignment Help Chemistry
Reference no: EM13705583

Question- Monodisperse polyarcylonitrile contains molecules with the general formula -(CH2CHCN)n-, where n is typically greater than 10,000. Given that a sample of this compound weighs 252.6 grams and contains 4.443x10^19 molecules of -(CH2CHCN)n-, what is the molar mass of the polymer?


Explain each and every step in detail. I need proficient help in the above problems.

Reference no: EM13705583

Questions Cloud

Estimate what is the magnitude of the normal force : A small block with mass 0.221 kg is sliding down a frictionless ramp that is inclined at an angle of 53.1° above the horizontal. Assume g = 9.80 m/s2. what is the magnitude of the normal force
Calculate the standard cubic ft of gas in the vessel : Question- A vessel contains 100 lb mol of a hydrocarbon gas. Calculate the standard cubic ft of gas in the vessel.
What is the speed of the airplane relative to the air : After flying for 15 min in a wind blowing 42 km/h at an angle of 18° south of east, What is the speed of the airplane relative to the air
Describe the sample size with words and shetch : Question- When you are adding solids to the test tubes, what sample size should you use. Describe the sample size with words and shetch
What is the molar mass of the polymer : Question- Monodisperse polyarcylonitrile contains molecules with the general formula -(CH2CHCN)n-, where n is typically greater than 10,000. Given that a sample of this compound weighs 252.6 grams and contains 4.443x10^19 molecules of -(CH2CHCN)n-..
An in-depth analysis of schizophrenia : For the Final Project, you provide an in-depth analysis of schizophrenia. You discuss major symptoms of the disorder, as well as ways in which the disorder affects the brain. You analyze the influence of the disorder on the life of affected ind..
Estimate the average velocity of the car : A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 - ct3, Calculate the average velocity of the car
Find the net amount of charge contained in a cube : It is found experimentally that the electric field in a certain region of Earth's atmosphere is directed vertically down. Find the net amount of charge contained in a cube
What is structure and design methodology : What is structure and design methodology

Reviews

Write a Review

Chemistry Questions & Answers

  What volume of the liquid should he use

An experiment requires 46.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.

  The little time purifying it and do the melting point again

You have synthesized a new compound: the crude product melts at 102-106 degrees C. You spend a little time purifying it and do the melting point again. What range would you expect the m.p. to be for the purified sample? Explain your reasoning brie..

  Reaction that occurs with hexanal and propanol

1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?

  Express the concentration of an aqueous solution

Express the concentration of a .0560 M aqueous solution of flouride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00g/mL.

  State what is the mass fraction

The Al2O3 does not react. If the sample residue weighs 2.675 g, what is the mass fraction of Fe2O3 in the original sample?

  State ammonia nh3 to prepare a buffer solution

How many grams of dry NH4Cl needed to be added to 1.50L of a 2.00M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.60?

  What is the concentration of glyceraldehyde

what is the concentration of glyceraldehyde-3-phosphate? Assume a temperature of 25.0 °C. The constant R = 8.3145 J/(mol·K)

  Which cobalt complex is least likely to be reduced by an

consider reduction of the following cobalt complexes conh35l3 l pyridine i nc5h4-p-ch2nh2 ii nc5h4-p-conh2 iii by

  Evaluate the molarity of a solution of sodium hydroxide

Calculate the molarity of a solution of sodium hydroxide, NaOH, if 23.64 mL of this solution is needed to neutralize 0.5632 gof potassium phthalate

  Explain the freezing point of a 28.6% solution of hcl

What is the freezing point of a 28.6% (by mass) aqueous solution of HCl. Assume the HCl is 100% ionized.

  Define the highest standard molar entropy

Which entries below should have the highest standard molar entropy? Place them in order of increasing standard molar entropy. ex: a>b>c>d.

  An aqueous solution with an added unknown compound has a

an aqueous solution with an added unknown compound has a boiling point of 106 c. glucose was added to the solution and

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