Themo $1$ promblem. Promblem statement includes $($shown in the schematic a tank, valve, free floating pistion$)$

State $1$ is defined by mass of $10$lb $,$ pressure of $100$ psia, and Temperature of $600$ F$.$ Dead state is defined as pressure of $1$ atm and temperature of $70$ F

Promblem statement includes:

Define all states

how much heat transfer took place?

What is the entropy generation, Sgen?

How much exergy is stored in the system at the end of the process.

height of pistion once in equibrium

How much work is done by the air in the pistion $($Wnet $)$

what is the change of exergy for the process

how much exergy was destroyed in the process

what is the secound law efficiency of process