Question #$27pts$ Thiston cylinder device includes $1\mathrm{.}5m^3$ of a gas at a temperature or wuring this expansion process, the work done by

$1\mathrm{.}00k\frac{J}{k}g.K$

Determine:

Determine:

a$)$ the mass of the gas in kg

b$)$ the heat transferred by the gas during the expansion in kJ