12079. The general gas energy equation is (where Q1 – 2 = Heat supplied, dU = Change in internal energy, and W1 – 2 = Work done in heat units) September 13, 2025 by Admin Q1 – 2 = dU + W1 – 2 Q1 – 2 = dU – W1 – 2 Q1 – 2 = dU/W1 – 2 Q1 – 2 = dU x W1 – 2 ✅ The correct answer is option A.