Question #23cbb

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Answer 1 · 2016-09-18T15:38:15

Given

$"The molar sp.heat at constant pressure "( C_p )= 35100/1000JK^-1mol^-1=35.1JK^-1mol^-1$

$gamma=C_p/C_v=1.31$
$"Where " C_v->"molar heat capacity at constant volume"$

$C_v=C_p/gamma=35.1/1.31JK^-1mol^-1$

We know
$C_p-C_v=R->"Universal gas constant"$

$:.R=35.1-35.1/1.31=(35.1xx0.31)/1.31JK^-1mol^-1$

$~~8.3061JK^-1mol^-1$