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February 1, 2015

February 1, 2015

Posted by **Alex** on Tuesday, February 12, 2013 at 10:55pm.

- Physics -
**drwls**, Wednesday, February 13, 2013 at 2:16amIn an expansion of this type,

P*V^g = constant

where g is the specific heat ratio Cp/Cv, which for a monatomic gas is 5/3. Let Pf be the final pressure. The final volume is Vf = 3 Vo. Thus

Po*Vo^5/3 = Pf*(3Vo)^5/3

Pf/Po = (1/3)^(5/3) = 0.160

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