- #1

vworange

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A 390 mL spherical flask contains 0.075 mol of an ideal gas at a temperature of 342 K. What is the average force-magnitude exerted on the walls of the flask by a single molecule?

I have absolutely no idea how to do this question. I've tried several different ways.. tried using the equation:

[itex]P = (1/3)*(N/V)*2*((3/2)kT)[/itex]

Then using the idea that:

[itex]P = F/A[/itex]

No luck. I think I'm doing things wrong. Does this have something to do with internal energy? ([itex]U = (3/2)nRT[/itex])