Express the change in internal energy of a system when (ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have?

Express the change in internal energy of a system when (ii) No work is

1.	Express the change in internal energy of a system when (ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have?
Answer» SOLUTION :`DeltaU`= -Q, THERMALLY conducting walls