a One mole of gas in a closed system undergoes a four-step thermodynamic cycle. Use the data given in the following table to determine numerical values for the missing quantities, i.e. fill in the blanks. Step 1->2 2-3 3=4 4->1 1-2--3--4--1 AU (kJ) | Q (kJ) -200 ? ? -2600 ? -500 2400 ? ? ? W (kJ) -5000 ? 200 ? -1000