Task 20807.

A monatomic gas, under a pressure of 0.3 MPa, isobar dilates from 2 to 7 dm 3. Determine the work done by gas, the increment of internal energy and the amount of heat supplied.
A detailed solution with a brief record of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
If you have any questions about the solution, please write. I try to help.