Show equilibrium expression for water, Chemistry

Assignment Help:

Q. Show Equilibrium expression for water?

Ans.

The equilibrium expression for water is equal to a constant, Kw. This constant is called the ion product of water and is equal to 1.0 x 10-14:

Kw = [H+] [OH-] = 1.0 -> 10-14

There are two equilibrium constants, Ka and Kb, which are useful in describing the strength of acids and bases.

Suppose H-A and B-OH are an acid and base, respectively. Then Ka and Kb are defined as follows:

H-A -> H+ + A- Ka = [H+] [A-] / [H-A]

B-OH -> B+ + OH- Kb = [B+] [OH-] / [B-OH]

The higher Ka or Kb is, the greater the degree of ionization by the acid or base.


Related Discussions:- Show equilibrium expression for water

Chemical combinations, explain about law of chemical combinations in about ...

explain about law of chemical combinations in about 200 words?

13mg of Mg in 4.2mL of HCl, How long would it take to consume 13mg of Mg in...

How long would it take to consume 13mg of Mg in 4.2mL of 1.25M HCl?

Nerst equation, Derive Nerst equation for both anode and cathode.

Derive Nerst equation for both anode and cathode.

Estimate the osmotic pressure, A reverse osmosis membrane is used to desali...

A reverse osmosis membrane is used to desalinate high salinity groundwater. It is proposed to build an RO plant that will process about 500,000 liters/day of saline feed water cont

Periodic table, how periodic table is helpful in chemistry give two example...

how periodic table is helpful in chemistry give two example

Rings and clusters, Introduction   Cluster and ring compounds aris...

Introduction   Cluster and ring compounds arise in many areas of chemistry. Rings are most often built by nonmetallic elements with directional covalent bonding. They ad

#atomic structure, Which have the same number of S electrons as the d - ele...

Which have the same number of S electrons as the d - electrons in fe2+

Write Your Message!

Captcha
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