All Problems

Transport Phenomena

Problem 2.233

Determine the molar heat capacity of a polytropic process through which an ideal gas consisting of rigid diatomic molecules goes and in which the number of collisions between the molecules remains constant (a) in a unit volume; (b) in the total volume of the gas.

Reveal Answer
2.233.(a)C=1/4R(1+2i)=23 J/(Kmol); (b) C==1/2R(i+2)=29 J/(Kmol).\begin{array}{rl} & 2.233 .(a) C=1 / 4 R(1+2 i)=23 & \mathrm{~J} /(\mathrm{K} \cdot \mathrm{mol}) ; \text { (b) } C= \\ = & 1 / 2 R(i+2)=29 \mathrm{~J} /(\mathrm{K} \cdot \mathrm{mol}) . \end{array}