The First Law of Thermodynamics

$171$

$4\mathrm{.}33$ A cylinder fitted with a piston contains wet steam at $100$kPa and $65\%$ quality. Heat is added at constant pressure until the temperature reaches $200C.$ The work done during the expansion process is $300kJ.$

a$)$ Calculate the mass of water in the cylinder.

b$)$ Determine the amount of heat transferred.

$($Answer:

a$)2\mathrm{.}8kg,$ b$)2772\mathrm{.}7kJ$