Question

At 298 K the average speed of O2 is 400 m/s what is its rms at same temperature ?
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Answer 1

Answer:

(a) THe expression for the RMS speed is U

RMS

=

M

3RT

Substitute values in the above expression.

1500=

32×10

−3

3×8.314×T

RMS

Hence, T

RMS

=2886K

(b) The expression for the average speed is V

av

=

πM

8RT

Substitute values in the above expression.

1500=

3.1416×32×10

−3

8×8.314×T

av

Hence, T

av

=3399K

(c) The expression for the most probable speed is α

mp

=

M

2RT

Substitute values in the above expression.

1500=

32×10

−3

2×8.314×T

mp

Hence, T

mp

=4330K

Answer 2

Answer:

I GUESS THIS

Explanation:

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