Question

In a closed system consisting of a balloon expands by 500L in an environment with a pressure of 1.0*10^5 pa what is the value of the heat transfer in this process?

Answer 1

I thought that since it was closed system that Q = 0

Answer 2

So I thought the change in internal energy would be equal to

-W = dE

Answer 3

Work = pDV

Answer 4

I got something like -5 joules but it was Wrong

Answer 5

@Frostbite