Question

Tha graph shows the distribution of the number of gas molecules, Nu, compared to the molecular speed, u, for gas A and gas B.

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Which gas is represented by curve A if gas A and gas B are different gases at the same temperature?

  • N2 

  • He

What is the temperature of the gas represented by curve A if gas A and gas B are the same gas at different temperatures?

  • 1300 K

  • 500 K

stion 18 of 21 > The graph shows the distribution of the number of gas molecules, N., compared to the molecular speed, w, for

Question 18 of 21 > Which gas is represented by curve A if gas A and gas Bare different gases at the same temperature? What i

Assignment Score: 1755/2100 Resources Hint Check Answer Question 18 of 21 > Point I on the curve is the Point 2 on the curve


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1. Curve A represents , gas N2 , because higher the mass of the gas higher will be the peak. This is one of the property of distribution curve.

2. If A and B are same gas at different temperature then , curve A represents the lower temperature. Because , higher the temperature flatter will be the curve . This is also another property of distribution curve.

3. Point A denotes the most probable velocity.

4. Point B denotes the root mean square velocity.

The following picture will describe the points quite well.

NOTE- In the above figure , M1 is greater than M2. And T2 is greater than T1.

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