Define a component of cigarette smoke

Assignment Help Chemistry
Reference no: EM13649718

Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows:

C5H5N + H2O <-----> C5H5NH+ + OH-

The pKb of pyridine is 8.75. What is the pH of a 0.155 M solution of pyridine?

Reference no: EM13649718

Questions Cloud

How are claudiuss and laertess plans for revenge : How are Claudius's and Laertes's plans for revenge foiled during the fencing match?
Explain sulfuric acid is added to potassium permanganate : Sulfuric acid is added to potassium permanganate. Then hydrogen peroxide is added. Identify the product. Complete the redox reaction and balance it under acidic conditions.
Calculate at what frequency will it vibrate : A violin string vibrates at 294 Hz whenunfingered. At what frequency will it vibrate if it is fingeredone third of the way down from the end
What sort of person is osric : What sort of person is Osric? What message does he have for Hamlet? What seems to be the problem with his hat? What is the wager?
Define a component of cigarette smoke : Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette smoke. Pyridine ionizes in water as follows
Hamlet the dane : What happens when Hamlet appears to the others? What is significant about him calling himself "Hamlet the Dane"? Why is he so angry?
Explain a rotation for ethyl 3-hydroxybutanoate : Suppose a rotation for S-(+)-ethyl 3-hydroxybutanoate of 37.2? is reported to correspond to an enatiomeric excess of 85%.
Discussion between hamlet and the gravedigger : How does Hamlet respond to the Gravedigger before speaking to him? What happens in the discussion between Hamlet and the Gravedigger?
What is the tension in the rope at this point : Arlene is to walk across a "high wire" strung horizontally betweentwo buildings 10.0m apart. what is the tension in the rope at this point

Reviews

Write a Review

Chemistry Questions & Answers

  Define the thermal energy needed to increase the temperature

Calculate the thermal energy (in J) needed to increase the temperature of a 2.4 kg piece of iron from 29.9o C to 51.2o C. The specific heat of iron is 0.449 J/g*Co. Type your answer in scientific notation using the format 8.050e-3 for 8.050 × 10-3.

  Explain the molar heat capacity for ice

The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.

  State what is the molecular weight of the gas

A sample of gas has a mass of 5.00 mg and occupies a volume of 4.13 mL at 23ºC and 745 torr. What is the molecular weight of the gas?

  Explain nitrogen and hydrogen combine at high temperature

Nitrogen and hydrogen combine at high temperature, in the prescence of a catalyst, to produce ammonia N2(g)+3H2(g)>>>>>>2NH3(g)

  Define what is the specific heat capacity of the metal

A 70.0 g piece of metal at 22.0°C is placed in 100.0 g of water at 80.0°C in a coffee cup calorimeter (with negligible heat capacity), and the metal and water come to the same temperature at 75.6°C. What is the specific heat capacity of the metal

  How to calculate kp at the temperature

Calculate Kp at this temperature. b. Would an increase or decrease in temperature lead to the production of more ammonia c. List two other things you could alter experimentally to increase the amount of ammonia (note: don't use the same effect and..

  How many grams of lead(ii) iodine are formed

when 500 L of a 2.0 M solution of Pb(NO3)2 is mixed with an excess of 1.00 M solution of KI, how many grams of lead(II) iodine are formed?

  The freezing point of a solution containing 412 g of

the freezing point of a solution containing 4.12 g of unknown solute in 100 g of camphor is 166.2 c. camphor has kf

  Evaluate the molarity of the sulfuric acid solution

The mass of the KHP is 1.496 g. Before the titration the buret reading was 0.7600 mL and afterwards it was 28.13 mL. A 146.30 mL sample of a solution of sulfuric acid, H2SO4, is neutralized by 115.36 mL of the NaOH solution from the problem above...

  Explain percentage of the serine in the solution is present

You are asked to prepare a standard solution of 10.0 mM of serine at pH 6.34 for a biochemistry experiment. The pI of serine is 5.68. What percentage of the serine in the solution is present as the anion

  What is the new equilbrium concentration of hf

In an experiment, at this temperature, 1.10 mol of H2 and 1.10 mol of F2 are introduced into a 1.08-L flask and allowed to react. At equilibrium, all species remain in the gas phase.

  Explain hydrogen has a henerys law constant

hydrogen has a henerys law constant of 1.07x10^-6 M/mmHg at 25 degrees celsius when dissolving in water. if total pressu of gas (H2 plus water vapor) over water is 1 atm. what is the concentration of gas phase hydrogen

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