Explain the oh concentration of ammonia

Assignment Help Chemistry
Reference no: EM13543997

The OH concentration of 0.45 M ammonia, NH3, is 6.7X10^-4 M write

a. the reaction equation for its ionization

b. the equilibrium constant expression

c. and solve for the value of Kb(k sub b)

Reference no: EM13543997

Questions Cloud

Evaluate the acidity of a carbonated beverage : Calculate the acidity (H+ concentration) of a carbonated beverage which is 0.15 M carbonic acid, H2CO3. Use only the first ioization constant for H2CO3 to HCO3 , which is 4.4X10^-7
Calculate the angular speed of the board : A 3.50-g bullet, traveling at 250 m/s, hits a hinged, light board at right angles, at a distance of 55.0 cm from its hinges, What is the angular speed of the board
Calculate how much energy does this wave carry : The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.20 10-10 T. How much energy does this wave carry through the window during a 65-s phone call
Find the volume of the bubble when it reaches the surface : An air bubble has a volume of 1.49 cm3 when it is released by a submarine 110 m below the surface of a lake. What is the volume of the bubble when it reaches the surface
Explain the oh concentration of ammonia : The OH concentration of 0.45 M ammonia, NH3, is 6.7X10^-4 M write. The reaction equation for its ionization
Find average torque was exerted on the rod by the disk : A solid disk of mass m1 = 9.5 kg and radius R = 0.18 m is rotating with a constant angular velocity of ? = 38.0 rad/s. What average torque was exerted on the rod by the disk
Slide the crate across the dock at a constant speed : A 52.1-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.589 and 0.312, respectively. What horizontal pushing force is required to (a) just start the crate moving and (b) slide the crate across ..
What is the greatest acceleration that will not break rope : A rope can withstand 1.0 x 10^3 N of tension. If the rope is being used to pull a 10.0-kg package across a c=frictionless surface, what is the greatest acceleration that will not break the rope
Maximum height will block rise above its initial position : A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest. The bullet emerges from the block with speed of 400 m/s. a.) How much energy was lost in the collision? b.) Calculate the average force exerted on the block as..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain what volume of naoh was delivered to reach

What volume of NaOH was delivered to reach the midpoint in this titration. At the midpoint the pH is measured at 4.75, what is the Ka for the weak acid

  State and write the structures of all the alkenes

Write the structures of all the alkenes that can be formed by dehydrohalogenation of each of the following alkyl halides.

  What is the molecular formula of the acid

An unknown acid has a molar mass of 90. g/mol and a mass composition of, 40%-C, 6.7%-H, and 53.3% -O. What is the molecular formula of the acid

  Explain how much aspirin is recovered in water

how much aspirin is recovered? Solubility of aspirin in water at 25oC is one gram of aspirin per 300 milliliters of water.

  What would the final ph of the individual''s stomach contents

Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500 mg of calcium carbonate, what would the final pH of this individual's stomach contents be after taking ..

  Evaluate the hardness as ppm caco3

A 250.0-mL sample of water was adjusted to pH 10 with ammonia buffer and calmagite indicator was added. The prepared sample required 30.84 mL of 0.00802 M EDTA for titration to the endpoint. Calculate the hardness as ppm CaCO3

  Explain names of five alkenes having the molecular formula

names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation

  Explain what is the ph of the solution after the addition

What is the pH of the solution after the addition of 80.0 mL of 0.0500 M NaOH(aq) to the buffer. What is the pH of the solution after the addition of 10.0 mL of 1.0 M HNO3(aq) to the initial buffer

  Define a certain reaction has an activation energy

A certain reaction has an activation energy of 60.0 kj/mol and a frequency factor of A= 3.10×1012 M^-1s^-1 . What is the rate constant k , of this reaction at 30.0 Deg celsius?

  Arrange the spectrochemical series of vo2+

Arrange the spectrochemical series of VO2+

  A balloon is filled with 5000 ml of helium at a temperature

a balloon is filled with 500.0 ml of helium at a temperature of 27 degrees celsius and 755 mm hg. as the balloon rises

  How to calculate the molecular weight of the compound

A quantity of 7.48g of a compound is dissolved in water to make 300 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27 Celsius. Calculate the molecular weight of the compound.

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