# PHYSICS

A sample of monatomic gas (ã = 5/3) is expanded adiabatically from an initial temperature, volume, and pressure of 230. °C, 7.00 litres, and 7.00 kPa, respectively, to a final volume of 10.0 litres.

(a) What is the final pressure of the gas? (answer 3.86 kPa)
(b) How much work is done by the gas during the adiabatic expansion? (answer 15.6 J)

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