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eraymon2011

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my thoughts: adiabatic compression- change in heat=dq= 0 for this process. I tried to find the intial temperature with the ideal gas law and got 1218 K (which seems a little high). I saw the formulas P2/P1= (V2/V1)^(-7/5) and T2= T1(P2/P1) ^(7/5-(1-7/5)) in a similar example (7/5= gamma for diatomic gas, the ^ symbol = exponent) and tried to apply them here but got P2 to be 11 atm and V2=11.45 L. I think that I'm wrong and I'm not sure where I went wrong.