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**[SOLVED] Monatomic Ideal Gas volume expansion**

## Homework Statement

A monatomic ideal gas expands slowly to twice its original volume, doing 260 Joules of work in the process.

(a)

Find the heat added to the gas if the process is isobaric.

(b)

Find the change in internal energy of the gas if the process is isobaric.

## Homework Equations

[tex] U = \frac{1}{2}nRT [/tex] per degree of freedom

pV = nRT

pV = const.

p/T = Constant

V/T = const.

## The Attempt at a Solution

I am not quite sure what to do for this equation. I now that the pressure is constant, and the the volue has doubled. and it has done 260 Joul;es of work in the process.

Any ideas where to start?

TFM