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## Homework Statement

Two containers each contain 0.500 moles of N2 initially at 300. K. One container has a fixed

volume, and the other container has a movable frictionless piston. If both containers are heated

by 1000. J energy, calculate the final temperature of N2 for each container.

## Homework Equations

PV=nRT

[tex]\Delta[/tex]U=q+w

C

_{v}for a diatomic molecule is 5R/2

## The Attempt at a Solution

I don't really know how to approach this problem as no pressure or volume is given. For the first container, I realize that the volume is fixed, so no heat is lost to work. I don't really know where to go on from here though. Can I say [tex]\Delta[/tex]U=q and then set nC

_{v}[tex]\Delta[/tex]T=q=1,000?