A frictionless piston cylinder device contains $2kg$ of water at $100C$ and quality of $0\mathrm{.}4.$ Heat is transferred slowly to the system until the last dreplet has evaporated. Answer the following two questions

$10.$ The total change in the internal energy in $kJ$ is:

a$.203$

b$.2504$

c$.102$

d$.4000$

e$.3200$

$11.$ The amount of heat transferred to the system in $kJ$ is:

a$.2302$

b$.203$

c$.102$

d$.2708$

e$.3200$