16. An ideal diatomic gas undergoes a thermodynamic
process as shown on indicator P-V diagram. The
heat input during process a to b is
4P...........
2P...a
V
5V, V.
UFORT
(1) 12 Povo
(2) 45 POVO
(3) 57 POVO
(4) 47 Povo
270
citi at constant pressure of an
Answers
Answered by
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Answer: 57 PoVo
Explanation: ∆Q= W+∆U
W = 1/2×4×(4+2)PoVo
=12PoVo
∆U= f/2 [P2V2- P1V1]
=5/2[4Po×5Vo-2Po×Vo]
=5/2[18PoVo]
= 45 PoVo
∆Q=W+∆U
=12PoVo+45PoVo
=57PoVo
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