Thermo-Physics help?

Posted on 2016-09-23 18:42:00 in Physics by KEFF

A monatomic ideal gas occupies a volume Vi, which is then decreased to Vf = (1/2)Vi via an adiabatic process. Which relationship is correct for the temperature of this gas? 

Tf = Ti 
Tf = 2^(5/3) Ti 
Tf = 2 Ti 
Tf = 0.5 Ti 
Tf = 2^(2/3) Ti 

A monatomic ideal gas occupies a volume Vi, which is then decreased to Vf = 1/2 Vi via an adiabatic process. Which relationship is correct for the pressures of this gas? 

pf = 2^(5/3) pi 
pf = 0.5^(5/3) pi 
pf = 2 pi 
pf = 0.5 pi 
pf = pi

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