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If two gases have molar masses M1, and M2 Graham’s law

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 10SE Chapter 3

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 10SE

If two gases have molar masses M1, and M2 Graham’s law states that the ratio R of their rates of effusion through a small opening is given by   The effusion rate of an unknown gas through a small opening is Measured to be 1.66 ± 0.03 times greater than the effusion rate of carbon dioxide. The molar mass of carbon dioxide may be taken to be 44 g/mol with negligible uncertainty.

a. Estimate the molar mass of the unknown gas, and find the uncertainty in the estimate.

b. Find the relative uncertainty in the estimated molar mass.

Step-by-Step Solution:
Step 1 of 3

Solution 10SE

Step1 of 3:

Let us consider be the molar mass of unknown gas and

                         be the molar mass of carbon dioxide.

We have Graham’s law and it states that the ratio R of their rates of effusion through a small opening is given by

R =

And also we have the effusion rate of an unknown gas through a small opening is Measured to be 1.66 ± 0.03 times greater than the effusion rate of carbon dioxide.

That is effusion rate of carbon dioxide is R = 1.66,g/mol. 

Here our goal is:

a).We need to estimate the molar mass of the unknown gas, and find the uncertainty in the estimate.

b).We need to find the relative uncertainty in the estimated molar mass.

Step2 of 3:

a).

Let us consider the equation:

                    =

                   = 442.7556

           = 121.2464

Hence,

Consider

 

Differentiate...

Step 2 of 3

Chapter 3, Problem 10SE is Solved
Step 3 of 3

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

This full solution covers the following key subjects: Molar, effusion, mass, uncertainty, gas. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. The answer to “If two gases have molar masses M1, and M2 Graham’s law states that the ratio R of their rates of effusion through a small opening is given by The effusion rate of an unknown gas through a small opening is Measured to be 1.66 ± 0.03 times greater than the effusion rate of carbon dioxide. The molar mass of carbon dioxide may be taken to be 44 g/mol with negligible uncertainty.a. Estimate the molar mass of the unknown gas, and find the uncertainty in the estimate.________________b. Find the relative uncertainty in the estimated molar mass.” is broken down into a number of easy to follow steps, and 95 words. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. Since the solution to 10SE from 3 chapter was answered, more than 242 students have viewed the full step-by-step answer. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. The full step-by-step solution to problem: 10SE from chapter: 3 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM.

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