Q. 25

Expert-verifiedFound in: Page 511

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

The solar corona is a very hot atmosphere surrounding the visible surface of the sun. X-ray emissions from the corona show that its temperature is about . The gas pressure in the corona is about . Estimate the number density of particles in the solar corona.

The number density of particles in the solar corona is .

Given : Temperature of X-ray emissions :

The gas pressure is :

Theory used :*Number density* is given by The *ideal gas law* is given by we'll rewrite the equation of Ideal Gas Law for in the form

If we know the number of molecules , we obtain the number of moles by taking Avogadro's number

Now put the expressions for in number density equation we get: Now we put the values for into this equation to get the number density

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