An ideal monoatomic gas is held in a perfectly insulated cylinder fitted with a movable piston. Initial pressure is 110kPa, initial temperature is 280K. By pushing on the piston the pressure increases to 140kPa. Find the final temperature.
Q=nCdT (d means delta)
The Attempt at a Solution
I have thought of using the above eqn but moles is not given and i have thought of using PV=nRT but the volume isn't given either so i dont know how you can solve with two unknown variables. Please help