A gas undergoes a constant pressure process at P $=1\mathrm{.}2$ kPa where the volume increases from $1000$ l to $3000$ l$.$ Determine the change in internal energy if $3000$ J of heat is transferred to the system.

Question $2$Answer

a$.$

$66\mathrm{.}4$ kJ

b$.$

$66$ J

c$.$

$600$ J