See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Under adiabatic expansion, temperature falls and internal energy decreases. q W E,q 0    E W   Decrease,   V 2 1 W nC T T      3 1 1 2 3 10 J 1mol 20 J K mol T 300 K       2 T 150 K  AITS-FT-X-PCM(Sol.)-JEE(Main)/2024 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 13 SECTION – B