The new pressure 1.76 atm
Explanation:
PâVâ/Tâ = PâVâ/Tâ
Since the temperature of the system remains constant, then we can cancel out the Tâ and Tâ to remain with;
PâVâ = PâVâ
We replace the values given in the question. The unknown will be Pâ
2.76 * 10 = Pâ * 15
27.6 /15 = Pâ
1.76 = Pâ
= 1.76 atm