Explain what is the molar mass of the polyethylene

Assignment Help Chemistry
Reference no: EM13488213

Polyethylene is a synthetic polymer or plastic with many uses. 1.40 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of solution, and the osmotic pressure was found to be 1.86 torr at 25°C. What is the molar mass of the polyethylene? R= 62.4 L-torr per mol Kelvin

Reference no: EM13488213

Questions Cloud

What is the beat frequency each driver hears : Two identical cars, one stationary and the other driving toward the stationary one at 45 m/s, what is the beat frequency each driver hears
Explain what mass of magnesium sulfate : what mass of magnesium sulfate is dissolved in 400.ml of a 0.800 m solution of magnesium sulfate
Determine length of the cylinder is submerged : A spring with spring constant 36N/m is attached to the ceiling, and a 5.1-cm-diameter, 1.3kg metal cylinder is attached to its lower end. what length of the cylinder is submerged
What are the reasons for the different methods : What are the reasons for the different methods of the classifications?
Explain what is the molar mass of the polyethylene : The osmotic pressure was found to be 1.86 torr at 25°C. What is the molar mass of the polyethylene. R= 62.4 L-torr per mol Kelvin
Describe and flowchart either the sales or purchasing proces : Describe and flowchart either the Sales or Purchasing process at your organization
Trajectory of a singly ionized helium atom : The trajectory of a singly ionized helium atom for two full revolutions around the z-axis but using a singly ionized argon atominstead.
With what frequency does it oscillate : The length of a simple pendulum is 0.67m, the pendulum bob has a mass of 295g, and it is released at an angle of 12 degrees to the vertical. With what frequency does it oscillate
Determine the company bid : a. Determine the amount of overhead that would be allocated to the proposed job if 40,000 direct labor-hours are used as the volume-based cost driver. Determine the total costs of the proposed job. Determine the company's bid if the bid is b..

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the ultimate carbonaceous bod

Some wastewater has a BOD5 of 150 mg/L. The reaction rate is 0.23/d. What is the ultimate carbonaceous BOD

  Determine jmax as function of temperature

Using the Boltzmann distribution given below, determine Jmax (quantum number of the most intensely populated rotational state) as a function of temperature. Then find Jmax for CN+ at 298 K and 1100 K.

  Presume that aspartame is a molecular solid

Assume that aspartame is a molecular solid and does not ionize when it dissolves in water. Kf values are given here.

  What is the final volume of the balloon

A balloon is filled to a volume of 5.0 102 mL at a temperature of 29.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?

  Explain salicylic acid and acetic anhydride

a question about an organic chemistry lab report. I am synthesizing aspirin (acetylsalicylic acid) using salicylic acid, acetic anhydride, and a catalyst.

  Potassium carbonate was added to the water to prevent

a skyscraper in pittsburgh built in the early 1970s is supported by water filled columns. potassium carbonate was added

  Explain what mass of oxygen is needed to burn

What mass of oxygen is needed to burn the butane in the lighter completely. How many moles of CO2 form when all of the butane is the lighter burns. How many molecules of gas form when the butane in the lighter burns completely.

  How many kilograms of cah2 are needed

How many kilograms of CaH2 are needed to fill a 147 L tank with compressed H2 gas at 160 atm pressure and 27 degrees C?

  A wastewater contains 81 mgl phosphate ions and is treated

when discussing water treatment we learned that high phosphate concentrations are often observed and it is a problem

  Explain what would be the probability of br

Determine how many grams of Phosphorus tri-fluoride will be produced when  40.1 g of F2 mix, and the reaction has a 78.1% yield?

  What is the name of feso4 and mgcl2 type of reaction

FeCl3 and Mg3(PO4) to give FeSO4 and MgCl2 I need to know what are the : Molecular Equation? Ionic Eq? Net Ionic Eq? What is the name of this type of reaction. Which ions are spectator ions

  Calculate the molarity

Calculate the molarity for: A.0.5g CO2 in 652 g of water. B. 56g of NH3 in 500 g of water. C. 3.21 g of NaOH in 3405 ml of water.

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