In a certain process 500 cal of heat is given to a system and the system does 100J of work. What will be the increase in internal energy of the system?
Physics (12th Grade) - Elena, Monday, April 9, 2012 at 8:57am
500 cal =2093.4 J,
ΔU = 2093.4 – 100 =1993.4 J.