The number average molecular weight of polystyrene is

Assignment Help Mechanical Engineering
Reference no: EM13634118

Determine the ratio of butadiene to syrene mers in a copolymer having a weight average molecular weight of 350,000 g/mol and weight average degree of polymerization of 44251 The number average molecular weight of polystyrene is 250,000 g/mol. Compute the number average degree of polymerization (atomic weight of C= 12, H=1)

Reference no: EM13634118

Questions Cloud

Estimate the probability that a randomly selected : estimate the probability that a randomly selected prime-time television show will be interrupted with a news
A police officer is driving due north at a constant speed : a police officer is driving due north at a constant speed of22 ms relative to the ground when shenotices a truck on the
Assume that womens heights are normally distributed with a : assume that womens heights are normally distributed with a mean of 63.5in and a standard deviation of 2.4in.a if a
If the capillaries of an average adult were unwound and : if the capillaries of an average adult were unwound and spread out end to end they would extend to a length over 40 000
The number average molecular weight of polystyrene is : determine the ratio of butadiene to syrene mers in a copolymer having a weight average molecular weight of 350000 gmol
When a standing wave exists on a string the vibrations of : when a standing wave exists on a string the vibrations of incident and reflected waves cancel at the nodes. what does
Find the percentage of women meeting the height requirement : a survey found that womens heights are normally distributed with mean 63.5in and standard deviation 2.5in. a branch of
Compute the work and heat transfer per unit mass for each : process1-2 constant temperature expansion at 600 k from p10.5mpa tp p20.4mpaprocess 2-3 polytropic expansion with n1.4
A small ball rolls horizontally off the edge of a tabletop : a small ball rolls horizontally off the edge of a tabletop of height h. it strikes the floor a distance x horizontally

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the magnitude and direction of the resultant

The two mooring cables exert forces on the stern of a ship. Represent each force as a Cartesian vector and determine the magnitude and direction of the resultant.

  It is necessary to maintain a pressure of 180 psi at the

at a ski resort water at 40 f is pumped through a 3-in diameter 2000ft long steel pipe from a pond at an elevation of

  An electric wire made of c14500 copper is stretched between

an electric wire made of c14500 copper is stretched between two street supports at 20degc so that a stress of 40 mpa is

  One kilogram of water fills a 150-l rigid container at an

one kilogram of water fills a 150-l rigid container at an initial pressure of 2 mpa. the container is then cooled to 40

  A distillation column as shown in the figure to the right

a distillation column as shown in the figure to the right is a device used to separate components with different

  Design a compound gear train that yields a train value of

design a compound gear train that yields a train value of 3001. from interference considerations no pinion shouicl have

  Determine the steady state rate of heat transfer per unit

determine the steady state rate of heat transfer per unit area through a 4.0 cm thick homogeneous slab with its two

  Determine the values of t

the motion of a particle is defined by the position vector r=a(cos t + t sin t)i + A(sin t-t cos t)j, where t is expressed in seconds. Determine the values of t for which the position vector and acceleration are.

  Diameter pipe is used to maintain a constant level

Find flow rate A siphon made of a 1 in-inside-diameter pipe is used to maintain a constant level in a 20 ft-deep tank

  The air pressure maintained above the waer level in the

an emergency fire control system on a public building has a pressurized tank on top of the bulding and is connected

  Calculate the net heat flow and the overall change

The piston is then move in,and heat is rejected bt the air reversibly at constant pressure until the volume is the same as it was initially.Calculate the net heat flow and the overall change of entropy.sketch the process of p-V and T-s diagram.

  The steam exits the turbine at a pressure of 40 kpa and a

a steam turbine has an inlet pressure of 1200 kpa and temperature of 400 degc. the steam exits the turbine at a

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