Answer :
Answer:
10 atm is the new pressure
Explanation:
Let's verify the pressure by the Ideal Gases Law for the two situations:
P . V = n . R .T
Pressure . 0.5L = 0.2 mol . 0.082L.atm/mol.K . 305K
Pressure = (0.2 mol . 0.082L.atm/mol.K . 305K) / 0.5 L
Pressure = 10 atm