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- Homework Statement
- The mass of a gas molecule can be computed from the specific heat at constant volume. Take Cv=0.075 kcal/kg-K for argon and calculate (a) the mass of an argo atom and(b) the atomic weight of argon.

- Relevant Equations
- 1/2 m <v^2> = 3/2 kT

1/2 M <v^2> = 3/2 RT

pV=NRT

U=(3/2)*NRT

Cv=(1/N)(dU/dT)

I don't see how isolate m or M.

That is, how to get rid of <v^2> which is how I wrote the average of v

That is, how to get rid of <v^2> which is how I wrote the average of v

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