Question

Average kE of 32g oxygen gas at 27C is

Answer 1

just learn the formula for avg. kinetics energy .

Answer 2

Given:

Moles,

n = 32 g

Temperature,

T = 27 C

or,

  = 300

To find:

Average K.E = ?

Solution:

The Average K.E will be:

= $\frac{3}{2} n RT$

By substituting the values, we get

= $\frac{3}{2} (\frac{32}{32})\times 8.3\times 300$

= $\frac{3}{2}\times 2490$

= $1.5\times 2490$

= $3735$

Thus, the Average KE will be "3735" of O₂.

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