Explain a plastic cup is heated past its melting point

Assignment Help Chemistry
Reference no: EM13562454

A plastic cup is heated past its melting point,then remolded and cooled. Based on thisinformation, we can say this polymer

1. is a condensation polymer.2. is an addition polymer.3. is thermosetting.4. is entirely amorphous.5. is thermoplastic.6. contains a plasticizer.7. is entirely crystallin

Reference no: EM13562454

Questions Cloud

Estimate what will the frequencty of the bear be : Two musics students are tuning their guitars before arehearsal. If one middle C (262Hz) and the other plays a C sharp(277Hz), what will the frequencty of the bear be
Compute what is the initial speed of the putty : A 13 kg block is at rest on a level floor. A 400g globof putty is thrown at the block so that the putty travelshorizontally, hits the block, and sticks to it. what is the initial speed of the putty
Explain gycine is important for biological energy : Gycine (C2H5O2N) is important for biological energy. The combustion of glycine is given by the equation- 4C2H5O2N (s) + 9O2 (g) -------> 8CO2(g) + H2O(l) + 2N2 (g)
Determine what is the amplitude of the motion : An object undergoing simple harmonic motion takes 0.19 s to travel from one point of zero velocityto the next such point. Calculate the amplitude of the motion
Explain a plastic cup is heated past its melting point : A plastic cup is heated past its melting point,then remolded and cooled. Based on thisinformation, we can say this polymer
Find at what speed are the water waves moving : A person sitting in a stationary boat notices the waterwaves passing by the bow of the ship once every 4 seconds. At what speed are the water waves moving
Evaluate the radius of curvature of the hubcap : A dedicated sports car enthusiast polishes the inside andoutside surfaces of a hubcap that is a section of a sphere. What is the radius of curvature of the hubcap
What is the radius of curvature of the outer surface : A contact lens is made of plastic with an index of refractionof 1.60. The lens has a focal length of +23.0 cm, What is the radius of curvature of the outer surface
Obtain rate at which you lose energy by exhaling humid air : A resting adult of average size converts chemical energy infood into internal energy at the rate of 120 W, called herbasal metabolic rate. Calculate the rate at which you lose energy by exhaling humid air

Reviews

Write a Review

Chemistry Questions & Answers

  Explain formic acid in the eischwieler-clarke reaction

Why is it not possible to use acetic acid rather than formic acid in the Eischwieler-Clarke reaction

  How many kilograms of cah2 are needed to fill a 134 l tank

How many kilograms of CaH2 are needed to fill a 134 L tank with compressed H2 gas at 154 atm pressure and 22 degrees celsius?

  How many grams of lead chromate

How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.

  Explain what enzyme is responsible for releasing a glucose

In glycogen degradation, what enzyme is responsible for releasing a glucose molecule attached to the main glucose chain at a branch point

  State what is the rate of the reaction if the concentrations

When the concentrations of CH3Br and NaOH are both 0.165 M, the rate of the reaction is 0.0050 M/s. What is the rate of the reaction if the concentrations of CH3Br and NaOH are both increased by a factor of four

  Explain what is the gibbs free energty for this reaction

What is the standard Gibbs free energy for this reaction? Assume the commonly used standard reference temperature of 298K, What is the Gibbs free energty for this reaction at 3652K? Assume that delta H and delta S do not change with tenperature.

  Define a solution of magnesium chloride is mixed

A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed

  Evaluate the change in temperature that occurs naoh

Calculate the change in temperature that occurs when 4.55 g of solid NaOH is added to 100.0 g of water in a constant pressure calorimeter. The specific heat of the solution

  Explain the cell potential of the galvanic cell constructed

The standard reduction potentials of the X1+/X and Y3+/Y couples are 0.23 V and -0.28 V, respectively. What is the cell potential (to the nearest 0.01 V) of the galvanic cell constructed from the two couples if [X1+] = 0.213 M and [Y3+] = 0.0100 M

  What is the vapor pressure of ethanol

what is the vapor pressure of ethanol at 290 K when heat of vaporization is equal to 38.56 kJ/mol and the normal boiling point is 351.4?

  When the concentration in water state partial pressure of n2

On a clear day at sea level, with a temperature of 25 degrees Celsius, the partial pressure of N2 in air is 0.78 atm and the concentration of nitrogen in water is 5.3 x 10^-4 M. When the concentration in water is 1.1 x 10^-3 M what is the partial ..

  How many grams of nabr will produce

In the following reaction, how many grams of NaBr will produce 244 grams of NaNO3? Pb(NO3)2(aq) + 2 NaBr(aq) PbBr2(s) + 2 NaNO3(aq)

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