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## Homework Statement

An ideal monatomic gas is held initially at a pressure of 1 atmosphere in a volume of 10L. It is compressed to 4L in an adiabatic process.

There are 0.8 moles.

Find the final pressure of the gas.

gamma = 1.667

## Homework Equations

PiVi^gamma = PfVf^gamma

## The Attempt at a Solution

I pretty much know what I'm doing, except I'm not sure what the formula means! Does it mean (PiVi)^gamma, or (Pi).(Vi^gamma?)

I always assumed it was the second, but I'm doubting it now. I got a huge answer (10,190 x 10^5 Pascals) and I'm not sure if it's reasonable.

Thank you!