Caclulate DeltaU, internal enegry change of a system, if it absorbs 25 kJ of heat and does 5kJ of work.

Calculate DeltaU , internal energy change of a system, if it absorbs 25 kJ of heat and does 5kJ of work.

The internal energy change in a system that has absorbed 2 kcal of heat and done 500J of work is

The internal energy change in a system that has absorbed 2 kcal of heat and done 500J of work is

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

Calculate the changes in internal energy of a system if, 400 calorie of heat energy are added to the system and the system does 500 calories of work on the surroundings.

Calculate the changes in internal energy of a system if, 300 J of heat energy is added to the system and a work of 160 J is done on the system.

During a process, a system absorbs 710 kJ of heat and does 250 J of work. Calculate the change in the internal energy of the system.

A system absorbs 'xJ' heat and does "yJ" work. Its Delta E is +Ve when

A system absorbs 10 kJ of heat and does 4 kJ of work. The internal energy of the system

During a process, the internal energy of the system increases by 240kJ while the system performed 90 kJ of work on its surroundings. How much heat was transferred between the system and the surroundings during this process. In which direction did the heat flow?