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Q.

The specific heat of a gas one measured as CP=12.28±0.2) units and Cv=3.97±0.3) units find the value of percentage error of real gas constant  'R'

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a

5.015%

b

6.016%

c

8.018%

d

4.014%

answer is B.

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Detailed Solution

Universal Gas constant R=Cp−Cv percentage error in R=ΔCp+ΔCvCp−Cv×100              here R=Cp−Cv R=12.28−3.97=8.31 Unitspercentage error in R is ΔRR×100=ΔCp+ΔCvCp−Cv×100 ΔRR×100=0.2+0.38.31×100 ΔRR×100=6.016%=percentage error in R
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