The pressure of oxygen in a vessel with a volume of V = 4 liters at a temperature t = 27 ° C is P = 0.5 MPa. Determine the total kinetic energy of the translational motion Ek of the gas molecules in the vessel after increasing its average thermal velocity by 2 times.

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
If you have any questions about the decision, write. I will try to help. File in image format.