ThermodynamicsMedium
Question
The maximum high temperature molar heat capacity at constant volume to be expected for acetylene which is a linear molecule is
Options
A.9 cal/deg-mole
B.12 cal/deg-mole
C.19 cal/deg-mole
D.14 cal/deg-mole
Solution
$C_{v,m} = 3 \times \frac{1}{2}R + 2 \times \frac{1}{2}R + (3 \times 4 - 5) \times R = \frac{19}{2}R$
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