The ratio of the molar specific heats of a gas is 1.41, if the molar specific heat of the gas at constant volume is 4.846 kcal/kmol-K universal gas constant has the value

Options

A. 2.0 kcal/kmol-K
B. 1.98 kcal/kmol-K
C. 8.31 kcal/kmol-K
D. Can't be found

Answer

B

Explanation

As, `C_(p)-C_(V)=R`
but `gamma=(C_(p))/(C_(V))=1.41`
`thereforeC_(p)=1.41C_(V)`
`implies1.41C_(V)-C_(V)=R` or `R=0.41xxC_(V)=0.41xx4.846`
=1.987 kcal/kmol K