Calculate the number-average and weight-average molar mass, Mathematics

Assignment Help:

Three mixtures were prepared with very narrow molar mass distribution polyisoprene samples with molar masses of 8000, 25,000, and 100,000 as indicated below.

(a) Equal numbers of molecules

(b) Equal masses of sample

(c) Equal viscosities of sample dissolved in tetra hydro furan

(K = 19.5 L g-1, a = 0.73)

For each of the samples, calculate the number-average and weight-average molar mass, and comment on the meaning of the values obtained.


Related Discussions:- Calculate the number-average and weight-average molar mass

probability problems, A school principal is looking at the combinations of...

A school principal is looking at the combinations of subjects students are studying. He learns that the probability that a student is studying Chemistry is 0.5 and that the prob

Calculate one-sided limits, Calculate the value of the following limits. ...

Calculate the value of the following limits. Solution From the graph of this function illustrated below, We can illustrate that both of the one-sided limits suffer

Area and surface Are, I cant figure out how to study for my math test

I cant figure out how to study for my math test

Divison, what is 24 diveded by 3

what is 24 diveded by 3

Pre Calculus, I have no idea how to graph exponential forms.

I have no idea how to graph exponential forms.

Algorithm for division, ALGORITHM FOR DIVISION : If you ask a 10 or 1 1-ye...

ALGORITHM FOR DIVISION : If you ask a 10 or 1 1-year-old child to solve, say, 81 + 9, the chances are that she will correctly do it. But if you ask her to solve, say 72 + 3, t

Solve 4 sin 2 ( t ) - 3 sin ( t /3)= 1, Solve 4 sin 2 ( t ) - 3 sin ( t /...

Solve 4 sin 2 ( t ) - 3 sin ( t /3)= 1 . Solution Before solving this equation let's solve clearly unrelated equation. 4x 2 - 3x = 1  ⇒ 4x 2 - 3x -1 = ( 4x + 1) ( x

Rhjuu, Ask questutfjion #Minimum 100 words accepted#

Ask questutfjion #Minimum 100 words accepted#

Problem Solving, Max can paint a house in 3 hours. Saria can paint a house...

Max can paint a house in 3 hours. Saria can paint a house in 5 hours. working together, how long will it take both Saria and Max to paint a house?

What is the formula to calculate area of rectangle, Charlie needs to know t...

Charlie needs to know the area of his property, that measures 120 ft through 150 ft. Which formula will he use? The area of a rectangle is length × width.

Write Your Message!

Captcha
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