When a system is taken from state I to a state f along path iaf, Q=50J and W=20J. Along path fbi, Q=35J. If w=-13J for the return path fi, Q for this path is

When a system is taken from state I to a state f along path iaf, Q=50J

1.	When a system is taken from state I to a state f along path iaf, Q=50J and W=20J. Along path fbi, Q=35J. If w=-13J for the return path fi, Q for this path is
Answer» 33 J 23 J `-7J` `-43J` ANSWER :D