How is Le Chatelier’s principle used to treat CO poisoning?

Breathing pure oxygen shifts the position of equilibrium to remove carbon monoxide from the red blood cells.

The equilibria involved

Dissolved oxygen in the blood binds to the hemoglobin in red blood cells in a reversible reaction.

##”Hb(aq)” + “4O”_2(“aq”) ⇌ “Hb”(“O”_2)_4(“aq”)##

Carbon monoxide binds even more tightly to hemoglobin than oxygen does:

##”Hb(aq) + 4CO(aq)” ⇌ “Hb(CO)”_4(aq)##

If we reverse the first equation and add the second one, we get the equation

##”Hb”(“O”_2)_4(“aq”) + “4CO(aq)” ⇌ “Hb(CO)”_4(“aq”) + “4O”_2(“aq”) ##

The bonds between hemoglobin and carbon monoxide are about 300 times as strong as those with oxygen, so the position of equilibrium lies to the right.

The red colour of the predominant ##”Hb(CO)”_4## causes the characteristic cherry red skin colour of carbon monoxide poisoning.

The body no longer has enough oxyhemoglobin to maintain life processes.

Applying Le Châtelier’s Principle

Giving the patient pure oxygen can reverse the condition.

Le Châtelier’s Principle states that if you apply a stress to a system at equilibrium, the equilibrium will shift in the direction that will remove the stress.

##”Hb”(“O”_2)_4(“aq”) + “4CO(aq)” ⇌ “Hb(CO)”_4(“aq”) + 4″O”_2 (“aq”) ##

If you increase the concentration of ##”O”_2##, the system will try to decrease the concentration of ##”O”_2##.

The position of equilibrium will shift to the left and produce more ##”Hb”(“O”_2)_4##.

The patient may live.

The process is slow.

It takes about 74 min to remove half of the ##”CO”## by breathing pure ##”O”_2##, compared to 320 min with normal air.

The chances of survival improve greatly if the patient can be transported to a hyperbaric chamber and breathe pressurized ##”O”_2##.

This pushes the position of equilibrium even further to the left.







Calculate Your Essay Price
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 10% with the coupon code: best10