The internal energy change in a system that has absorbed 2kcal of heat and done 500 J of work is?
(a) 6400 J
(b) 5400 J
(c) 7900 J
(d) 8900 J
I had been asked this question during an online exam.
Asked question is from Specific Heat and Thermodynamics in portion Kinetic Theory of Gases of Engineering Physics I