Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

A large scale polycondensation reaction of a diol and a diacid is performed at 200 C. At various intervals small samples are removed, introduced into tared conical flasks, quenched in a dri ice/acetone, weighed, dissolved and titrated with a standard 0.1 N sodium hydroxide solution. From the results given below determine whether this was a catalysed or non-catalysed reaction Time (min) Sample Weight (g) Titration (cm3 0.1N NaOH) 0 0.3402 46.58 25 0.4501 30.82 50 0.4931 16.88 100 0.6005 10.28 150 1.1014 11.62 200 1.5113 10.35 300 2.1377 8.78 400 4.2978 12.95 500 5.5118 11.92 600 5.9007 11.32 700 6.1387 10.09

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M91027518

Have any Question?


Related Questions in Chemistry

Suppose that you take 5000 gram of na2co3 and titrate it

Suppose that you take .5000 gram of Na2CO3 and titrate it with .115M HCL solution. What is the equivalence point volume expected for the complete titration? (Formula weights Na2CO3 = 105.99g/mol and HCL = 36.46g/mol)

The reaction of solid dimethylhydrazine ch32n2h2 and

The reaction of solid dimethylhydrazine ((CH3)2N2H2) and liquefied dinitrogen tetroxide (N2O4) has been investigated as a rocket fuel; the reaction produces gaseous carbon dioxide (CO2) nitrogen (N2) and water vapor (H2O ...

What is the differene between sodium chloride versus sodium

What is the differene between sodium chloride versus sodium chlorite

The molecular weight of an unknown gas was measured by an

The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?

A scuba diver creates a spherical bubble with a radius of

A scuba diver creates a spherical bubble with a radius of 2.5 cm at a depth of 30.0 m where the total pressure (including atmospheric pressure) is 4.00 atm. What is the radius of the bubble when it reaches the surface of ...

2kmno4s rarr k2mno4s mno2s o2gif 250 l of o2g is needed

2KMnO 4 (s) → K 2 MnO 4 (s) + MnO 2 (s) + O 2 (g) If 2.50 L of O 2 (g) is needed at 1.00 atm and 20°C, what mass of KMnO 4 (s) should be decomposed? Assume the decomposition of KMnO 4 (s) goes to completion.

What was the initial energy level of an electron if it was

What was the initial energy level of an electron if it was excited by a photon of wavelength 38.9µm and jumped to an energy level of 10?

A sample of caco3nbsps is introduced into a sealed

A sample of CaCO 3  (s) is introduced into a sealed container of volume .654 L and heated to 1000 K until equilibrium. The reaction is . K p  for the reaction is3.9*10 -2  at this temperature. Calculate the mass of CaO(s ...

Question - the solubility of o2g in water is 443 mg of

Question - The solubility of O 2 (g) in water is 4.43 mg of O 2 /100g H 2 O at 20 o C and 1 atm pressure. What pressure of O 2 (g) would be required to produce a saturated solution that is 0.010 M O 2 ?

What is an example of a specific transition metal solution

What is an example of a specific transition metal solution, including the oxidation state of the transition metal, and the color of the solution, and the complex ion that the transition metal forms in that solution if ap ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As