Asked by HELP ME PLS

During the compression stroke of a certain gasoline engine, the pressure increases from 2atm to 15atm. If the process is adiabatic and the fuel–air mixture behaves as a diatomic ideal gas,
by what factor does the volume change?
Answered by oobleck
PV is constant
if P changes by a factor of 15/2, V must change by a factor of 2/15
Answered by Damon
adiabatic P V^gamma = constant
Answered by bobpursley
The value gamma=1.4 is typical for any diatomic gas. Monatomic inert gases, on the other hand, such as Helium, Neon, and Argon, have gamma approx 1.6 . Carbon dioxide, which is triatomic, has a heat capacity ratio gamma=1.28

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