Give all detail calculation with all figures.

Please consider the question from picture.

Q$4$

An insulated piston$-$cylinder device initially contains $500$ L of air at $120$ kPa and $17C.$ Air

is now heated for $15$ min by a $200$ W resistance heater placed inside the cylinder. The pressure

of air is kept constant during this process. Assume constant specific heats. Determine:

$($i$)$ the final temperature $($unit: K $),$ and

$($ii$)$ the entropy change of air $($unit: $k\frac{J}{K}).$