Change in internal energy when `4 kJ` of work is done on the system and `1 kJ` of heat is given out of the system is

Change in internal energy, when 4 kJ of work is done on the system and 1 kJ of heat is given out by the system is ____

Change in internal energy , when 4kJ of work is done on the system and 1 kJ of heat is given out by the system is

What will be the change in internal energy when 12 kJ of work is done on the system and 2 kJ of heat is given by the system?

What will be the change in internal energy when 12 kJ of work is done on the system and 2 kJ of heat is given by the system?

What is the change in internal energy when 4 Kj of work is done on the system and 1 Kj of heat is given out.

Calculate the internal energy change in each of the following cases : (i) A system absorbs 5 kJ of heat and does 1 kJ of work. (ii) 5 kJ of work is done on the system and 1 kJ of heat is given out by the system.