please help me, physics
posted by leah .
Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 410 to 200 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

a. w = _ 13094,55 b. e = _ 13094,55