Estimate its viscosity at 60?

Assignment Help Chemistry
Reference no: EM13879829

A certain polymer (Tg=10?) has a melt viscosity of 1.5x105 poises at 25?. Estimate its viscosity at 60?.

Reference no: EM13879829

Questions Cloud

Calculate the equilibrium constant at 298k : 1) Calculate the equilibrium constant at 298K for the reaction       CaCO3(s) --> CaO(s) + CO2(g)              delta G0 = -254.8 KJ a) 4.61        b) 4.61*10^44        c) 1.02*10^2          d) None of the above
What is the oxidizing agent in the redox reaction : 1) What is the oxidizing agent in the redox reaction represented by the following cell notation?       Sn(s) | Sn2+(aq) || Ag+(aq) | Ag(s)      A) Sn(s)    B) Ag+(aq)    C) Ag(s)    D) Sn2+(aq)    E)Pt
Ideal gas law to problems involving temperature : Learning Goal: To apply the ideal gas law to problems involving temperature, pressure, volume, and moles of a gas.The four properties of gases (pressure P, volume V, temperature T, and moles of gas n) are related by a single expression known as the i..
Preparing the primary standard : Experiment 1: Preparing the Primary Standard PLEASE NOTE: The procedures described in this lab assume that you have already done the Titration Tutorial and are familiar with the technique. If you have not yet done the Titration Tutorial Lab, please ..
Estimate its viscosity at 60? : A certain polymer (Tg=10?) has a melt viscosity of 1.5x105 poises at 25?. Estimate its viscosity at 60?.
Estimate the equilibrium : 1. The melting temperature ( Tm  ) of a sample of poly(decamethylene adipate) with a number-average degree of polymerization ( xn ) of 3 was found to be 65oC. Tm   was found to be 75oC for a sample of the same polymer with xn =10.  Estimate the equil..
The degradation of some condensation polymers by water : The degradation of some condensation polymers by water is referred to as hydrolysis. Using poly(delta-decalactone) as an example, draw a proposed mechanism for the acid catalyzed hydrolysis of this polyester.  Attached is the of the structure of poly..
Ensor materials corporation approved a stock option plan : 1.On October 15, 2012, the board of directors of Ensor Materials Corporation approved a stock option plan for key executives.
Moles of sodium carbonate is needed : A minimum of _____ moles of sodium carbonate is needed to fully react with 750 g of HCl.

Reviews

Write a Review

Chemistry Questions & Answers

  Find out the concentration of bro3

The solution is connected to a SCE referece cell (Esce = 0.241V) and a potential of Ecell= 1.169 V is measured. determine the concentration of BrO3 (aq) in the solution

  Define the esterfication reaction of ethanol and acetic acid

How does concentrated H2SO4 catalyze the esterfication reaction of ethanol and acetic acid to form ethyl acetate. Explain.

  State the balanced net-ionic equations for the cell reaction

State the balanced, net-ionic equations for the cell reactions for the subsequent half-cell combinations at standard conditions. Be sure to consider direction of spontaneity.

  Explain what is the ph and the oh- of the solutions

What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2

  Compute the ratio of the concentration of carbonic acid

If the pH of a bicarbonate-carbonic acid buffer is 7.90. Compute the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).

  Evaluate the molarity of each of the solutions

Calculate the molarity of each of the following solutions. Part A - 0.14mol of LiNO3 in 6.0L of solution.

  Explain commercial-grade phosphoric acid solution

A typical commercial-grade phosphoric acid solution is 75% phosphoric acid by mass, and has a density of 1.57 grams per milliliter. What are the molarity and molality of H3PO4 in this acid?

  Explain copper are produced when excess aluminum reacts

how many grams of copper are produced when excess aluminum reacts with 11.0 g of copper oxide.

  Define the total gas volume and temperature remain constant

Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr

  Calculate the wavelength of the electromagnetic radiation

calculate the wavelength of the electromagnetic radiation required to excite an electron from the ground state to the

  Explain the first steps in the radioactive decay of 257uuh

The first steps in the radioactive decay of 257Uuh involves the rapid and successive emission of 4 alpha particles

  State the freezing point on the graph of temperature

State the freezing point on the graph of temperature vs. time. This is not the same for every solution

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