Want to ask us a question? Click here
Browse Questions
 Ad
0 votes

# A gas is heated at constant pressure . The fraction of heat supplied used for external work expressed in terms of the adiabatic index is

Can you answer this question?

## 1 Answer

0 votes
Answer: $\large\frac{\gamma -1}{\gamma}$
For an isobaric process, $Q = nC_P \Delta T$ and $W = nR \Delta T$
$\Rightarrow \large\frac{\Delta W}{\Delta Q}$$= \large\frac{R}{C_P} Now, C_P = \large\frac{\gamma R}{ \gamma -1} for an isobaric process, where \gamma is the adiabatic index or the heat capacity ratio. \Rightarrow \large\frac{\Delta W}{\Delta Q}$$ = \large\frac{R}{C_P}$$=\large\frac{\gamma -1}{\gamma}$
answered Mar 27, 2014 by
edited Aug 9, 2014

0 votes
1 answer

0 votes
1 answer

0 votes
1 answer

0 votes
1 answer

0 votes
1 answer

0 votes
1 answer

0 votes
1 answer