Questions  

When an ideas gas (r = 7/3) is heated under constant pressure, then what percentage of given heat energy will be utilised is doing external work

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By Expert Faculty of Sri Chaitanya
ctaimg
a
43%
b
57%
c
29%
d
40%
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detailed solution

Correct option is B

ΔQ=ΔU+ΔW⇒ΔWΔQ=1−ΔUΔQ⇒ΔWΔQ=1−nCvΔTnCvΔT=1−37=47≈0.57


ctaimg

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