What will be the new pressure when a volume of 21.0 L of a gas at 35.0 degrees celsius and 2.00 atm is compressed to 12.0 L and cooled to 10.0 degrees celcius with no change in the number of moles?

1 answer

Use (P1V1/T1) = (P2V2/T2)
Don't forget T is in Kelvin.