Question 1182917
A piston-cylinder of gas has an initial pressure of 25 psi.  The volume is increased to 2.5 times the initial volume.  The temperature is increased from 290oC to 720oC.  What is the final pressure. A piston-cylinder of gas has an initial pressure of 25 psi.  The volume is increased to 2.5 times the initial volume.  The temperature is increased from 290oC to 720oC.  What is the final pressure. 
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PV = nRT
Convert the temps to Kelvin.