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**Ideal gas laws question.. Help!!**

## Homework Statement

Volume of 150cm^3 of an ideal gas has an initial temp. Of 20 degrees celcius and an initial pressure of 1 atm. What is the final pressure if the volume is reduced to 100cm^3 and the temp is raised to 40 degrees celcius.

## Homework Equations

Pi x Vi / Ti = Pf x Vf / Tf

## The Attempt at a Solution

1 atm x 150 cm^3 / 293 K = P x 100cm^3 / 313 K.

I keep getting 1.6, this answer is incorrect. I'm pretty sure my units are mixed up but I'm not sure what I need to fix. Any help would be great!! Thanks