Problem 11.7. In a certain process 400 J of heat are supplied to a system and at the sametime 150J of work are done by the system. What Is the increase in the internal energy of the system. Heat problem 7. Sindh Textbook Board (stb) problems. Class 12 chapter heat problems sindh textbook board.

Problem 11.7. In a certain process 400 J of heat are supplied to a system and at the sametime 150J of work are done by the system. What Is the increase in the internal energy of the system.

Problem 11.7

In a certain process 400j of heat is supplied to a system and at the same time 150j of work is done a bv the system. What is the increase in the internal energy of the system?. 

Data

ΔQ =400j

ΔW=150j

Δu=?

Solution 

ΔU = Δq=Δw

Δu=400 - 150

Δu =250 answer