Posted by **Tasha** on Sunday, April 20, 2008 at 11:02am.

Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K.

(a) What is the work done by (or done to) the gas? Include the algebraic sign.

J

(b) What is the change in the internal energy of the gas? Include the algebraic sign.

J

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