Adiabatic Expansion - Need help getting started...

[Skyblitz]

Hi, I just need help getting started on a question.. I'm not even sure where to begin:

It is desired to ignite a gas at 1000 degrees celcius by compressing it adiabatically to 27 degrees celcius.

a) by what ratio must its volume be changed?

I'm not really sure how to approach this question since it seems so little information is given. Any help is appreciated!

[himanshu121]

What type of gas it is

Is it a monoatomic Or diatomic or polyatomic

For Adiabatic Equation we have

P_1V_1^{\gamma}=P_2V_2^{\gamma}

For ideal gas

PV=nRT

[Skyblitz]

Hm, it does not say [:(]

[himanshu121]

Originally posted by Skyblitz
Hm, it does not say [:(]

Is the name of gas stated

[Skyblitz]

Unfortunately not.. what I posted in the first message is all that it says. :\

[himanshu121]

At such an high temp u can assume it to be in dissociated form