Answer:
idk srry
Explanation:
i wish I could help you out
I know that 4. Is wave 2 and 5. Is wave 3.
First, we need to convert the pressure in SI units. Keeping in mind that

:

The initial and final volume of the gas are (keeping in mind that

):


So, the work done on the gas by the surrounding is

And the final positive sign means that this work corresponds to an increase in internal energy of the gas.