25200 J of heat is supplied to the system while the system does 6000 J of work. Calculate the change in the internal energy of the system.
Given Heat supplied, ΔQ = 25200 J, Work done, ΔW = 600 J
Asked Change in the internal energy of the system, ΔU.
Formula ΔU = ΔQ – ΔW
(See first law of thermodynamics)
Substitute the values in the formula
ΔU = 25200 – 6000 = 19200 J