User Account

All Pages

Ethene and propene produce an elastomer

Assignment Help Chemistry
Reference no: EM131087558

A copolymer of ethene and propene polymerised using Ziegler-Natta catalysts in the presence of a small proportion of conjugated diene, followed by vulcanisation yields an elastomer. How does the use of ethene and propene produce an elastomer?

Reference no: EM131087558

Questions Cloud

In many polynomial regression problems : e. SSE for the cubic model is .00006300, whereas for a quadratic model SSE is .00014367. Compute R2for each model. Does the difference between the two suggest that the cubic term can be deleted?
Correct order of procedures for making : What is the correct order of procedures for making this determination?
Determining the economical raw material : Describe the industrial preparation of di-2-ethylhextl phthalate (DEHP or DOP) from most economical raw material
Subset of data obtained in an experiment to study : The following data is a subset of data obtained in an experiment to study the relationship between x = soil pH and y = A1 Concentration/EC ("Root Responses of Three Gramineae Species to Soil Acidity in an Oxisol and an Ultisol," Soil Science, 1973..
Ethene and propene produce an elastomer : A copolymer of ethene and propene polymerised using Ziegler-Natta catalysts in the presence of a small proportion of conjugated diene, followed by vulcanisation yields an elastomer. How does the use of ethene and propene produce an elastomer?
How many runs will be required in this design : How many runs will be required in this design? How does this compare with the design in Table 12.2?
Option for lowering the ph : After treating the water you need to decrease the pH back to 6.5. The water is held in a 200,000 gallon "pond". a. You have a 3 M HCl solution. How many mLs of this solution are required to change the pH from 9.5 to 6.5?
Comparison of energy and exergy efficiency for solar box : The accompanying data on y 5 energy output (W) and x = temperature difference (°K) was provided by the authors of the article "Comparison of Energy and Exergy Efficiency for Solar Box and Parabolic Cookers" (J. of Energy Engr., 2007: 53-62).
Extracting the amine with dichloromethane : Why would no amine be extracted if NaOH is not added to the amine salt prior to extracting the amine with dichloromethane?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the molality of each of the given solutions

calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.

  Explain response of a solar cell to certain wavelengths

What do you think is the basis for the selective response of a solar cell to certain wavelengths. Energy levels

  Equation for the single-replacement oxidation-reduction

Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients

  Explain what is the molarity of the solution

A 0.2044 g sample of potassium hydrogen phthalate (KHC8H4O4, a primary standard) was quantitatively transferred to a 100.00 mL volumetric flask and water was added to the mark.

  A lab protocol on synthesizing sulfathiazole

A lab protocol on synthesizing sulfathiazole from p-acetamidobenzenesulfonyl chloride and 2-aminothiazole. It would be appreciated if exact amounts of reagents, solvents, etc (in grams, mmols, mls - etc), could be given.

  Based on your observations

Based on your observations, to what oxidation state did Mn change in each test tube? Fill in the table below.

  Calculate the amount of heat required

Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.

  Explain the concentration of h+ in the cathode compartment

The standard cell potential (E°) of a voltaic cell constructed using the cell reaction below is 0.76 V: Zn (s) + 2H+ (aq) ? Zn2+ (aq) + H2 (g) With PH2 = 1.0 atm and [Zn2+] = 1.0 M, the cell potential is 0.42 V. The concentration of H+ in the cath..

  Explain what is the corresponding mass of the ag layer

A glass plate is 5 cm x 10 cm in size and is coated on one side with a 1 micrometer thick layer of Ag to make a mirror. What is the corresponding mass of the Ag layer and how many atoms comprise it

  Describe the best reducing agent

The following species, which is the best oxidizing agent and which is the best reducing agent

  Determine molality of the solution prepared by dissolving

Find the molality of the solution prepared by dissolving 0.238 g camphor , C10H16O , in 15.5 g cyclohexane.

  Determine the temerature at which water boils on a day

Find the temerature at which water boils on a day in the mountains when the barometric pressure is 593 mmHg. (Gien the heat of vaporization of water is 40.79 kJ/mol).

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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