3. A heat engine operates according to the cycle shown in the P-V diagram below. The working substance is 1.5 moles of a

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3 A Heat Engine Operates According To The Cycle Shown In The P V Diagram Below The Working Substance Is 1 5 Moles Of A 1 (20.08 KiB) Viewed 17 times

3. A heat engine operates according to the cycle shown in the P-V diagram below. The working substance is 1.5 moles of an ideal gas. If the temperature at A is T.-630 K, what is the net change in the internal Q₂ P B C energy of this engine during the process ABCDA? 3P; A. 7.0 x 10¹³ J B. 5.4 x 105 J 2P C. 6.1 x 107 J D. 9.3 × 10² J E. OJ P₁ 2₁ D A₁ li V 2V Q₁ V