1. The problem statement, all variables and given/known data 2. Relevant equations Work = Pressure * Change in Volume 3. The attempt at a solution Note : V without a line signifies specific volume, V with a line across it specifies volume. First, can you check if my attempt for #1 is correct? I am confused on what to do for #2. First of all, how do I apply the equation given above if my pressure is changing? (From 1.0 Mpa to 0.5Mpa), do I just subtract them? Second of all, how would I find the temperature?