Question

Calculate the value of delta E for a system that loses 52.0 J of heat and has 0.144 kJ of work performed on it by the surroundings.

Answer 1

The energy change in a system is always equal to the work done (w) plus the heat gained or lost (q)\[\Delta E = w + q\] work is equal to negative PDV, so \[\Delta E = -P \Delta V + q\] You're given work, and heat, so find DE

Answer 2

Thanks I am not really into chemistry so any help is greatly appreciated. I often just need advise on what formula to use so this will be helpful.